controller), 288–290
air compressors, 77
air conditioning, 272
air dams, 106–107
air flow meter (AFM), 293–295
air intake
camshafts, 198–200
CFM (cubic feet per minute), 190
drop-in performance air filters, 191
factory, 189
forced induction, 231
intake manifold, 197–198
modifications, 190–191
open-element air intake, 191–196
superchargers, 251
throttle bodies, 196–198
turbo, 190
turbochargers, 251
air pollution, 12
Air Resources Board (ARB), 12
airbags, 272
air/fuel controllers, 286–288
air/fuel ratio, 272
air-to-air intercoolers, 241, 257–259
air-to-water intercoolers, 241, 257, 259–260
all season performance tires, 69, 71
American brands, 319
Antilock Brake System (ABS)
ASR (Anti-Slip Regulation), 151
Engine Control Unit (ECU), 273
TLFeBOOK
Antilock Brake System (ABS) (continued)
how it works, 151–152
sensors, 151
TRC (Traction Control), 151
anti-theft system, 273
A’PEXi
air/fuel controllers, 286–288
Power FC standalone ECU, 306–308
RSM (Rev Speed Meter), 297
S-ITC (Super Ignition Timing
Controller), 290
appearance
graphics, 98–101
sleeper appearance, 201
wheels, 79, 84–87
applying graphics, 100–101
ARB (Air Resources Board), 12
Asian brands. See also Acura; Honda;
Mitsubishi; Nissan
Mazda, 317
Subaru, 318
Toyota, 315–316
ASR (Anti-Slip Regulation), 151
Audi enthusiast Web sites, 319
Auterra OBDII scanners, 268–269
auto glass, washing, 121–122
AutoDry Carwash (Mr. Clean), 115
Autopia Web site, 321
Autospeed Web site, 320
AutoTap OBDII scanners, 268
Autronic standalone ECUs, 310
auxiliary injector controller (AIC), 288–290
axle-back exhaust, 210–211
axles, 225–226
Babel Fish Web site, 321–322
batteries
dry-cell, 184
relocation kit, 184
weight, 184
beam suspension, 180
bhp (brake horsepower), 178
billet calipers, 142
black boxes
air/fuel controllers, 286–288
auxiliary injector controllers (AICs),
288–290
boost controller, 293
defined, 285
fuel cut defencers, 295–296
ignition timing controllers (ITCs), 290–291
manifold air pressure sensor (MAP),
293–294
speed cut defencers, 295–297
turbo boost controllers, 291–292
bleed valve boost controller, 292
BMV (Bureau of Motor Vehicles), 12
BMW enthusiast Web sites, 318
boost
benefits, 230
cooling systems, 250
cylinder pressure, 235, 251
defined, 229
downsides, 230
drivability tradeoffs, 254–255
drivetrains, 234
Engine Control Unit (ECU), 272
forced induction, 231
fuel systems, 249–250
high altitudes, 230
higher revs, 230
ignition timing, 250
nitrous oxide, 247–249
spark plugs, 250–251
standalone ECUs, 305
superchargers, 243–247
turbochargers, 231–243
boost controller, 35, 243, 291–293
boost gauge (turbochargers), 240
braces, 50–51
brake boosters, 150–151
brake fluid
changing, 131
checking, 135
DOT numbers, 131–132
dry boiling point, 132–134
glycol-based, 131–134
maintenance, 135
TLFeBOOK
performance, 131–132
replacing, 136
silicone-based, 132, 134–135
viscosity, 132
wet boiling point, 132, 134
brake horsepower (bhp), 178
brake lines, 152–154
brake pads
costs, 138
dust, 138
heat range, 137–138
noise, 138
outgassing, 138
pad wear, 137
rotor wear, 137
brake proportioning valve, 35
brakes
air pockets, 136
Antilock Brake System (ABS), 151–152, 273
calipers, 141–143
cooling system, 143–145
disc brakes, 147–148
drum brakes, 146–147
ducts, 143–145
dust shields, 146
importance of, 129
master cylinder, 148–149
Porsche carbon ceramic brakes
(PCCB), 179
proportioning valves, 150
rotors, 138–141, 178–179
upgrades, 130–131
ventilation, 143–145
braking
threshold braking, 152
weight distribution, 175
brands (cars). See American brands; Asian
brands; European brands
brands (tires), 60
breakaway characteristics
active safety, 33
tires, 65
budgeting
costs, 328–329
time, 327–328, 333
bumper winglets, 108
bumpers, 106–107
Bureau of Motor Vehicles (BMV), 12
bushings, 170–171
cages
bolt-in, 46
costs, 45
design options, 42–45
harness bars, 45–46
installation, 46–47
materials, 39–40
monkey bars, 40
padding, 41, 44
precautions, 45
welded, 46–47
calipers
billet, 142
cast, 142
factory calipers, 143
forged, 142
heat, 142
race calipers, 143
upgrades, 141
Camaro, 319
camber plates, 34
camshafts
function, 198–199
installation, 199
modifications, 199–200
reground, 200
turbochargers, 256–257
CAN (Controller Area Network), 297
canards, 108
car mods. See modifications
car washes, 113
carbon fiber material, 110–111
carbon/Kevlar material, 111
CarChip (Driveright), 268–269
cast calipers, 142
cast wheels, 89
catalytic converters, 200, 202
cat-back exhaust, 211–212
TLFeBOOK
cavitation, 237
centering weight, 180
centrifugal superchargers, 246–247
certification of race seats, 50
CFM (cubic feet per minute), 190
chassis reinforcement
foam, 169–170
seam welding, 170
strut braces, 168–169
checking brake fluid, 135
chip swapping
OBDI scanners, 266
OBDII scanners, 267
Chip Torque Xede, 300–301
clay bar, 117
cleaning
engine, 126
floors, 123–124
interior, 123, 125
seats, 124–125
weather seals, 125
clutches
cover, 221
diaphragm spring, 221
disc, 221–222
flywheels, 224–225
four-puck unsprung clutch, 223
friction material, 221–222
front-engine car, 221–222
illustrations, 222
modifications, 221
multi-disc clutch, 223–224
pressure plate, 221–222
rear-engine car, 221
single-disc clutch, 224
sprung hubs, 222–223
twin clutch, 223–224
coilovers, 34, 165–167
combustion
mixture control, 285–286
theory, defined, 187–189
competition harnesses. See harnesses
compound of tires, 66–67
compression ratio, 236
compression test, 218
compressor
bypass valves, 242
turbochargers, 232
computer equipment. See Engine Control
Unit (ECU)
contact patches on tires, 66
Controller Area Network (CAN), 297
controllers
air/fuel, 286–288
auxiliary injector, 288–290
boost, 291–293
ignition timing, 290–291
convertible fabric tops, washing, 123
coolant jackets, 237
coolant temperature gauge, 220
coolants
distilled water, 238
Evans NPG+ Waterless Coolant, 238
Red Line Water Wetter, 238
cooling systems
brakes, 143–145
intercoolers, 241, 257–260
mineral deposits, 238
pressure drop, 258
radiator caps, 238
radiator size, 238
superchargers, 250
turbochargers, 238, 250
water injection, 260–261
“coolness†factor of modifications, 18–19
corner balancing, 165
cornering ability and weight
distribution, 175
Corvette enthusiast Web sites, 319
costs
air/fuel controllers, 286
auxiliary injector controllers (AICs), 288
braces, 50
brake pads, 138
brake-ducting hose, 145
budgeting, 328–329
carbon fiber materials, 111
coilovers, 166–167
e-Manage (GReddy), 300
flywheels, 225
TLFeBOOK
foam chassis reinforcement, 170
harness bars, 46
limited slip differential (LSD), 173
multi-disc clutch, 223
OBDII scanners, 268
race seats, 50
roll bars, 42
roll cages, 45
shocks, 163
springs, 164
standalone ECUs, 303–304
strut braces, 169
sway bars, 167
turbocharger kits, 240
TurboXS UTEC (User Tunable Engine
Computer), 302
vein pressure converter (VPC), 295
cross-drilled rotors, 138–139
cruise control, 272
cubic feet per minute (CFM), 190
cutting custom graphics, 100
Department of Motor Vehicles (DMV), 12
Department of Transportation (DOT)
federal regulations, 10
tread wear ratings, 67
detailing sprays, 120
diagnostics (on-board)
emissions, 265
EPROM swaps, 282–283
OBDI scanners, 266–267
OBDII (on-board diagnostics II), 15
OBDII scanners, 267–269
reflashes, 283
Society of Automotive Engineers
(SAE), 265
uses, 266
differentials
limited slip differential (LSD), 171–174
open differential, 171–172
diffusers, 105–106
Digimoto OBDII scanners, 268
disc brakes, 147–148
distilled water (in coolants), 238
distribution of weight
acceleration, 175
braking, 175
centering weight, 180
cornering ability, 175
performance, 175
rotating mass, 178–179
static weight, 181–183
unsprung weight, 180–181
DMV (Department of Motor
Vehicles), 12
DOT (Department of Transportation)
federal regulations, 10
tread wear ratings, 67
down-pipe (exhausts), 200
Drifting.com Web site, 323–324
drive-by-wire systems, 273
driveline mods, 220
Driveright CarChip, 268–269
driveshafts, 178
drivetrains, 234
driving schools, 34
drop-in performance air filters, 191
drum brakes, 146–147
dry set-up nitrous system, 247
dry sump oiling system, 237
dry-cell batteries, 184
dual-purpose tires, 69–71, 74–75
dubs, 90–92
ducts (brakes), 143–145
dust shields, 146
Dyno evaluation, 219
ECU (Engine Control Unit)
air conditioning, 272
air flow meter (AFM), 294–295
airbags, 272
air/fuel ratio, 272
Antilock Braking System (ABS), 273
anti-theft system, 273
TLFeBOOK
ECU (Engine Control Unit) (continued)
black boxes, 285
boost, 272
clearing the memory, 274
closed interface, 275
cruise control, 272
defined, 271
detection of tuned ECUs, 282
drive-by-wire systems, 273
emissions, 265
EPROM swaps, 276, 279, 281–283
factory, 242, 272
fuel cut defencer, 296
functions, 272–273
ignition timing, 272
input variables, 272
learning parameters, 283
Mitsubishi Evo VIII ECU upgrades,
283–284
modifications, 273–274, 279
open interface, 276
performance, 273
piggybacks, 277, 299–302
reaction to bolt-on parts, 274
reflashes, 276, 279, 281, 283–284
reprogramming, 279–282
speed cut defencer, 296
standalone, 277–278, 303–310
throttle-by-wire systems, 273
traction control, 273
WORKS P2 Boost Tube, 284
Electromotive TEC II and TEC III
standalone ECUs, 310
electronic boost controller, 292–293
e-Manage (GReddy), 290, 300
emissions
ARB (Air Resources Board), 12
catalytic converters, 202
Engine Control Unit (ECU), 265
exhaust systems, 204
on-board diagnostics (OBD), 265
standalone ECUs, 304
EMT (extended mobility tires), 77–78
end links, 34, 168
engine
adapting OBDI engines to newer cars, 270
adapting OBDII engines to older cars, 270
cleaning, 126
clutch, 221–224
compression ratio, 236
compression test, 218
coolant temperature gauge, 220
driveline mods, 220
Dyno evaluation, 219
fuel system, 220
interference engine, 199
leak down test, 218–219
maintenance, 218
oil pressure gauge, 220
oil temperature gauge, 220
on-board diagnostics (OBD), 265–269
superchargers, 251–252
testing, 218–219
turbochargers, 243, 251–252
engine boost
benefits, 230
cooling systems, 250
cylinder pressure, 235, 251
defined, 229
downsides, 230
drivability tradeoffs, 254–255
drivetrains, 234
Engine Control Unit (ECU), 272
forced induction, 231
fuel systems, 249–250
high altitudes, 230
higher revs, 230
ignition timing, 250
nitrous oxide, 247–249
spark plugs, 250–251
standalone ECUs, 305
superchargers, 243–247
turbochargers, 231–243
Engine Control Unit (ECU)
air conditioning, 272
air flow meter (AFM), 294–295
airbags, 272
air/fuel ratio, 272
342 Car Hacks & Mods For Dummies
TLFeBOOK
Antilock Braking System (ABS), 273
anti-theft system, 273
black boxes, 285
boost, 272
clearing the memory, 274
closed interface, 275
cruise control, 272
defined, 271
detection of tuned ECUs, 282
drive-by-wire systems, 273
emissions, 265
EPROM swaps, 276, 279, 281–283
factory, 242, 272
fuel cut defencer, 296
functions, 272–273
ignition timing, 272
input variables, 272
learning parameters, 283
Mitsubishi Evo VIII ECU upgrades,
283–284
modifications, 273–274, 279
open interface, 276
performance, 273
piggybacks, 277, 299–302
reaction to bolt-on parts, 274
reflashes, 276, 279, 281, 283–284
reprogramming, 279–282
speed cut defencer, 296
standalone, 277–278, 303–310
throttle-by-wire systems, 273
traction control, 273
WORKS P2 Boost Tube, 284
engine mounts, 226–227
enthusiast clubs, 19
enthusiast message boards and forums,
314–315
EPA (Environmental Protection Agency)
ARB (Air Resources Board), 12
federal regulations, 10
EPROM swaps
best situations for use, 281
defined, 276
OBDI, 282–283
reflashes, 279
ERL/Aquamist MF2 auxiliary injector
controller, 289–290
European brands
Audi, 319
BMW, 318
Lotus Elise, 318
Volkswagen, 319
Evans NPG+ Waterless Coolant, 238
exhaust systems
axle-back exhaust, 210–211
building on your own, 203
catalytic converter, 200, 202
cat-back exhaust, 211–212
down-pipe, 200
emissions, 204
exhaust manifold, 200, 204–208
flex pipes, 209
header-back exhaust, 212–213
illustrations, 201–202
jigs, 203
joints, 208
leaks, 207–208
modifications, 208–210
muffler section, 200–201
patterns, 203
resonators, 201
rubber vibration isolation mounts,
209–210
sensors, 202
superchargers, 251
tailpipe, 201
tubing, 208
turbo-back exhaust, 212–213
turbochargers, 202–203, 233, 251
expectation management, 16–18
extended mobility tires (EMT), 77–78
• F •
fabric tops, washing, 123
factory parts
air intake, 189
Engine Control Unit (ECU), 242, 272
engine mounts, 227
Index 343
TLFeBOOK
factory parts (continued)
fuel map, 220
fuel system, 220
reselling, 28
seats, 47
selling, 332–333
turbochargers, 234
understressed, 217
failed/incomplete car, selling, 333–334
FCD (fuel cut defencer), 295–296
federal regulations
DOT (Department of
Transportation), 10
EPA (Environmental Protection
Agency), 10
gray market cars, 10–11
Magnuson-Moss Warranty Act, 13–15
warranties, 13–15
fender flares, 108
fender liners, 85
fender lip, 85
fiberglass, 109–110
fire extinguishers, 40
Firebird, 319
fixed-displacement superchargers, 244–246
floating rotors, 140
floors, cleaning, 123–124
flywheel
costs, 225
defined, 224
failure, 225
materials, 224
resurfacing, 225
weight, 178, 224
foam chassis reinforcement, 169–170
forced induction of air, 231
forged calipers, 142
forged wheels
construction, 88–89
costs, 89
failure characteristics, 89
materials, 88
weight, 178
forums, 314–315
four-puck unsprung clutch, 223
free advice, 331
front bumpers, 106–107
front-wheel drive, 159
fuel cut defencer (FCD), 295–296
fuel injectors, 240
fuel pumps, 240
fuel systems
factory, 220
superchargers, 249–250
turbochargers, 249–250
full coilovers, 167
full standalone ECUs
AEM EMS, 306, 308
anti-lag, 306
autotune feature, 305
Autronic, 310
boost, 305
clock speed, 305
compatibility with stock sensors, 303–304
costs, 303–304
datalogging, 305
defined, 277–278
distributorless ignition coils, 305
Electromotive TEC II and TEC III, 310
emissions, 304
flat shift, 306
Haltech E6X, 309
installation, 308
knock control, 305
launch control, 306
MegaSquirt, 310
Motec, 309
number of cylinders, 304
outputs, 305
plug-and-play harness, 304, 306
Power FC, 306–308
premapped software, 304
resolution, 305
traction control, 306
tuners, 305
wideband oxygen sensor, 305
344 Car Hacks & Mods For Dummies
TLFeBOOK
• G •
gauges (engine)
coolant temperature, 220
oil pressure, 220
oil temperature, 220
superchargers, 252
turbochargers, 252
glass packs, 201
glass, washing, 121–122
glazes and polishes, 117
Google Web site, 321–322
graphics, 98–101
Grassroots Motorsports Web site, 322
gray market cars, 10–11
GReddy
e-Manage, 290, 300
Rebic IV, 289
grounding kits, 214–215
• H •
hacking Honda or Acura Engine Control
Units (ECUs), 280
Hallman controller, 292
Haltech E6X standalone ECU, 309
hand polishing, 118
handling
absolute grip, 159
front-wheel drive, 159
oversteer, 158–159
rear-wheel drive, 160
suspension, 161
traction control, 174
understeer, 157–159
harness bars, 45–46
harnesses
active safety, 51
cam lock design, 53–55
installation, 54–55
latch-and-link design, 53–54
passive safety, 51
replacing, 56
straps, 51–53
head gasket failure, 235
header-back exhaust, 212–213
heat shields, 146
heatsoak, 257
Heim joint, 171
high speed rotary buffer, 118
high-flow catalytic converters, 213
HKS
air/fuel controllers, 286–288
auxiliary injector controllers (AICs), 289
Speed Limit Defencer (SLD), 296–297
VPC (vein pressure converter), 295
hollowed-out catalytic converters, 213
Honda
ECU hacks, 280
enthusiast Web sites, 316–317
horsepower
bhp (brake horsepower), 178
whp (wheel horsepower), 178
How Stuff Works Web site, 320–321
hybrid boost controllers, 292
hybrid turbos, 233
• I •
ignition timing controller (ITC), 290–291
ignitions
amplifiers, 215–216
Engine Control Unit (ECU), 272
grounding kits, 214–215
modifications, 213–214
spark plugs, 215–216
superchargers, 250
turbochargers, 250
illegal modifications, 329
independent suspension, 180
installation
camshafts, 199
graphics, 100–101
harnesses, 54–55
race seats, 50
roll bars, 46–47
roll cages, 46–47
standalone ECUs, 308
Index 345
TLFeBOOK
intake manifold, 197–198
intake of air
camshafts, 198–200
CFM (cubic feet per minute), 190
drop-in performance air filters, 191
factory, 189
forced induction, 231
intake manifold, 197–198
modifications, 190–191
open-element air intake, 191–196
superchargers, 251
throttle bodies, 196–198
turbo, 190
turbochargers, 251
integrated piggybacks
Chip Torque Xede, 300–301
defined, 277
functionality, 299
GReddy e-Manage, 300
TurboXS UTEC (User Tunable Engine
Computer), 301–302
wiring, 299
intercoolers, 241, 257–260
interference engine, 199
interior detailing, 123–125
internal cooling vanes, 140
Internet resources
Acura enthusiasts, 316–317
Audi enthusiasts, 319
Autopia Web site, 321
Autospeed Web site, 320
Babel Fish Web site, 321–322
BMW enthusiasts, 318
Camaro enthusiasts, 319
Corvette enthusiasts, 319
Drifting.com Web site, 323–324
enthusiast message boards and forums,
314–315
Firebird enthusiasts, 319
Google Web site, 321–322
Grassroots Motorsports Web site, 322
Honda enthusiasts, 316–317
How Stuff Works Web site, 320–321
Lotus Elise enthusiasts, 318
Mazda enthusiasts, 317
Mitsibishi enthusiasts, 317–318
Mustang enthusiasts, 319
National Hot Rod Association (NHRA)
Web site, 323
Nissan enthusiasts, 318
SCCA (Sports Car Club of America)
Web site, 322–323
Subaru enthusiasts, 318
Taka Kaira Web site, 324
Toyota enthusiasts, 316
Volkswagen enthusiasts, 319
ITC (ignition timing controller), 290–291
• J •
jigs (exhaust system), 203
• K •
Kanji stickers, 99
Kevlar, 111
kits
battery relocation, 184
grounding, 214–215
turbochargers, 239–240
water injection, 260–261
• L •
lag time, 231
laws
DOT (Department of Transportation), 10
EPA (Environmental Protection
Agency), 10
federal, 10–11
gray market cars, 10–11
local ordinances, 12
local regulations, 11–12
Magnuson-Moss Warranty Act, 13–15
passive safety, 38–39
private roads, 12
warranties, 13–15
leak down test, 218–219
346 Car Hacks & Mods For Dummies
TLFeBOOK
leaks in the exhaust system, 207–208
leaned-out mixture, 296
limited slip differential (LSD), 171–174
local ordinances, 12
local regulations, 11–12
Lotus Elise British sports car
enthusiast Web site, 318
performance, 176
lower arm braces, 169
LSD (limited slip differential), 171–174
lug nuts, 179
• M •
machine polishing, 118
MAF (mass airflow sensor), 293–294
Magnuson-Moss Warranty Act, 13–15
maintenance
brake fluid, 135
engine, 218
tires, 120
trim, 122–123
wheels, 120
managing expectations, 16–18
manifold air pressure sensor (MAP),
293–294
manufacturer notes, 15
mass airflow sensor (MAF), 293–294
master cylinder (brakes), 148–149
materials
brake lines, 153–154
canards, 108
carbon fiber, 110–111
carbon/Kevlar, 111
engine mounts, 227
exhaust manifold, 206–207
fiberglass, 109–110
flywheels, 224–225
polyurethane, 112
roll bars, 39–40
roll cages, 39–40
spark plugs, 216
splitters, 108
wheels, 88–89
Mazda enthusiast Web sites, 317
MegaSquirt standalone ECUs, 310
message boards, 314–315
Mitsubishi
enthusiast Web sites, 317–318
Evo VIII ECU upgrades, 283–284
3000GT VR-4, 176
mixture control in combustion process,
285–286
modifications
active safety, 34–36
air intake, 190–191
camshafts, 199–200
choosing a car to modify, 21–23
clutches, 221
compromises, 24–25
contingency plans, 26–27
defining goals/scope, 23–24
delays, 27
driveline mods, 220
Engine Control Unit (ECU), 273–274, 279
exhaust systems, 208–210
exit strategies, 26
guidelines, 97–98
ignitions, 213–214
illegal, 329
knowing when to stop, 331–332
resale value, 25, 28, 330–331
trends, 95–96
warranties, 330
modular wheels, 89–90
monkey bars, 40
Monster Garage television series, 19
Motec standalone ECUs, 309
motor vehicle code, 11–12
mountain bike front shock absorbers, 227
Mr. Clean AutoDry Carwash, 115
MSD ignition timing controller (ITC), 291
mufflers
muffler section (exhausts), 200–201
turbo, 202
multi-disc clutch, 223–224
Mustang, 319
myths about hacking and modding, 9
Index 347
TLFeBOOK
• N •
National Hot Rod Association
(NHRA), 15, 323
Nissan
enthusiast Web sites, 318
Skyline GT-R, 10
nitrous oxide, 247–249
• O •
OBD (on-board diagnostics). See on-board
diagnostics (OBD)
oil coolers, 236–237
oil pressure gauge, 220
oil temperature gauge, 220
oiling systems, 237
on-board diagnostics (OBD)
emissions, 265
EPROM swaps, 282–283
OBDI scanners, 266–267
OBDII (on-board diagnostics II), 15
OBDII scanners, 267–269
reflashes, 283
Society of Automotive Engineers
(SAE), 265
uses, 266
open differential, 171–172
open-element air intake, 191–196
outgassing, 138
over-engineering of U.S. automobiles,
19–20
oversize rotors, 141
oversteer, 158–159
• P •
padding
roll bars, 41
roll cages, 41, 44
pads (brakes)
costs, 138
dust, 138
heat range, 137–138
noise, 138
outgassing, 138
pad wear, 137
rotor wear, 137
paint
detailing sprays, 120
maintenance tips, 116–117
polishing, 117–118
polymer sealants, 119
protecting, 118–119
waxes, 119
parts (aftermarket)
axle-back exhaust, 210–211
axles, 226
cat-back exhaust, 211–212
engine mounts, 227
exhaust manifold, 204–205
header-back exhaust, 212–213
reselling, 28
selling, 332–333
SEMA (Specialty Equipment Market
Association), 13, 325
Taka Kaira Web site, 324
turbo-back exhaust, 212–213
parts (factory)
air intake, 189
Engine Control Unit (ECU), 242, 272
engine mounts, 227
fuel map, 220
fuel systems, 220
reselling, 28
seats, 47
selling, 332–333
turbochargers, 234
understressed, 217
passive safety
defined, 31, 37–38
harness bars, 45–46
harnesses, 51
regulations, 38–39
roll bars, 39–42, 46–47
roll cages, 39–47
348 Car Hacks & Mods For Dummies
TLFeBOOK
patterns (exhaust system), 203
PCCB (Porsche carbon ceramic
brakes), 179
performance
brake fluid, 132
Engine Control Unit (ECU), 273
factory seats, 47
tires, 65–68
weight distribution, 175
wheels, 79, 84–85, 87–88
performance driving schools, 34
piggyback controllers. See single-purpose
black boxes
piggybacks
Chip Torque Xede, 300–301
defined, 277
functionality, 299
GReddy e-Manage, 300
TurboXS UTEC (User Tunable Engine
Computer), 301–302
wiring, 299
plastic windows, washing, 122
platforms, 19–20
polishing your car
hand polishing, 118
machine polishing, 118
polishes and glazes, 117
polymer sealants, 119
polyurethane, 112
Porsche carbon ceramic brakes
(PCCB), 179
Porsche 959, 10
power. See also boost
air intake, 189–200
axles, 225–226
combustion theory, 187–189
driveline mods, 220
engine mounts, 226–227
exhaust system, 200–213
fuel system, 220
ignition, 213–216
Power FC standalone ECU, 306, 308
pressure drop, 258
pressure monitoring systems, 76–77
private roads and regulations, 12
proportioning valves (brakes), 150
protecting paint, 118
• R •
race seats
braces, 50–51
certification, 50
costs, 50
design, 48–49
installation, 50
performance, 49
sliders, 50
race tires
flat-spot, 72
grooved, 72
heat cycles, 72
performance limits, 72
public roads, 73
shaved, 72
slick, 72–73
temperature, 72
Racelogic traction control system, 174
radial tires, 61
radiator caps, 238
random orbit polisher, 118
rear diffusers, 105–106
rear spoilers, 103–104
rear-wheel drive, 160
Rebic IV (GReddy), 289
reducing weight
centering weight, 180
performance payoff, 175
relocating weight, 184
rotating weight, 178–179
static weight, 181–183
step-by-step directions, 176–177
unsprung weight, 180–181
reflashes
best situations for use, 281
EPROM swaps, 279
OBDII, 283
tuners, 283–284
Index 349
TLFeBOOK
regulations
federal, 10–11
Magnuson-Moss Warranty Act, 13–15
passive safety, 38–39
private roads, 12
state and local, 11–12
warranties, 13–15
relief valve boost controller, 292
replacing
brake fluid, 136
harnesses, 56
shocks, 163
tires, 64
reprogramming an Engine Control Unit
(ECU), 279–282
resale value
effect of modifications, 25, 28, 330–331
stock parts, 28
reselling parts, 28
resonators, 201
Rev Speed Meter (RSM), 297
roll bars
bolt-in, 46
costs, 42
design options, 41–42
harness bars, 45–46
installation, 46–47
materials, 39–40
padding, 41
style bars, 40, 42
welded, 46–47
roll cages
bolt-in, 46
costs, 45
design options, 42–45
harness bars, 45–46
installation, 46–47
materials, 39–40
monkey bars, 40
padding, 41, 44
precautions, 45
welded, 46–47
roots superchargers, 245–246
Rose joint, 171
rotating mass, 178
rotors
cross-drilled, 138–139
cryogenic treatments, 141
floating, 140
internal cooling vanes, 140–141
oversize, 141
slotted, 139–140
vented, 140–141
weight, 178–179
RSM (Rev Speed Meter), 297
run-flat tires, 76–78
• S •
SAE (Society of Automotive Engineers), 265
safety
active safety, 31–36
factory seats, 47
harnesses, 51
passive safety, 31, 37–47
SCCA (Sports Car Club of America),
15, 322–323
seam welding, 170
seats
braces, 50
cleaning, 124–125
factory seats, 47
race seats, 48–50
selling
failed/incomplete car, 333–334
parts, 332–333
SEMA (Specialty Equipment Market
Association), 13, 325
semi-solid forged wheels, 90
sensors
ABS (Antilock Brake System), 151
air flow meter (AFM), 293–295
exhaust system, 202
manifold air pressure sensor (MAP),
293–294
mass airflow sensor (MAF), 293–294
standalone ECUs, 303–304
Vehicle Speed Sensor (VSS), 296
350 Car Hacks & Mods For Dummies
TLFeBOOK
shock absorbers, 227
shocks, 34, 162–163
single-disc clutch, 224
single-purpose black boxes
air/fuel controllers, 286–288
auxiliary injector controllers (AICs),
288–290
boost controller, 293
defined, 285
fuel cut defencer, 295–296
ignition timing controllers (ITCs), 290–291
manifold air pressure sensor (MAP),
293–294
speed cut defencer, 295–297
turbo boost controllers, 291–292
S-ITC (Super Ignition Timing
Controller), 290
Skip Barber performance driving school, 34
SLD (Speed Limit Defencer), 296–297
sleeper appearance, 201
sleeve coilovers, 166
sliders (race seats), 50
slotted rotors, 139–140
snow tires, 64, 69, 71
Society of Automotive Engineers (SAE), 265
sound system for turbochargers, 242
spare tires, 76
spark plugs, 215–216, 250–251
Specialty Equipment Market Association
(SEMA), 13, 325
speed cut defencer, 295–297
Speed Limit Defencer (SLD), 296–297
spherical rod ends, 171
spinners, 90–92
splitters, 107–108
spoilers, 103–104
Sports Car Club of America (SCCA),
15, 322–323
springs, 34, 163–165
standalone ECUs
AEM EMS, 306, 308
anti-lag, 306
autotune feature, 305
Autronic, 310
boost, 305
clock speed, 305
compatibility with stock sensors, 303–304
costs, 303–304
datalogging, 305
defined, 277–278
distributorless ignition coils, 305
Electromotive TEC II and TEC III, 310
emissions, 304
flat shift, 306
Haltech E6X, 309
installation, 308
knock control, 305
launch control, 306
MegaSquirt, 310
Motec, 309
number of cylinders, 304
outputs, 305
plug-and-play harness, 304, 306
Power FC, 306–308
premapped software, 304
resolution, 305
traction control, 306
tuners, 305
wideband oxygen sensor, 305
state regulations
emissions, 12
local ordinances, 12
motor vehicle code, 11–12
static weight, 181–183
stiffening engine mounts, 227
stiffening the chassis
foam, 169–170
seam welding, 170
strut braces, 168–169
stock parts, resale value, 28
street tires, 69–72
strut braces, 168–169
struts, 162
style bars, 40, 42
Subaru, 318
summer high performance tires, 69–71
Super Autobacs automotive
parts chain, 324
Index 351
TLFeBOOK
Super Ignition Timing Controller
(S-ITC), 290
superchargers
air intake, 251
centrifugal, 246–247
comparison with turbochargers, 248
cooling systems, 250
drivability tradeoffs, 254–255
engine reinforcement, 251
exhaust systems, 251
fixed-displacement, 244–246
fuel systems, 249–250
gauges, 252
high altitudes, 230
how they work, 243
ignition timing, 250
spark plugs, 250–251
suspension
beam suspension, 180
bushings, 170–171
coilovers, 165–167
corner balancing, 165
end links, 34, 168
handling, 161
Heim joints, 171
independent suspension, 180
shocks, 162–163
spherical rod ends, 171
springs, 163–165
struts, 162
sway bars, 34, 167–168
swapping chips
OBDI scanners, 266
OBDII scanners, 267
sway bars, 34, 167–168
• T •
tailpipe, 201
Taka Kaira Web site, 324
testing the engine, 218–219
threshold braking, 152
throttle bodies (air intake), 196–198
throttle-by-wire systems, 273
time for modifications, budgeting,
327–328, 333
tire dressings, 120–121
tires
absolute grip, 159
air compressors, 77
air pressure, 65
all season performance, 69, 71
aspect ratio, 61
brands, 60
breakaway characteristics, 65
choosing which tires to buy, 64–65
compound, 66–67
contact patches, 66
dual purpose, 69–71, 74–75
extended mobility tires (EMT), 77–78
factors to considering when buying, 63
forces on, 66
load rating, 62–63
maintenance, 120
models, 60–61
penny test, 59–60
performance, 65–68
pressure monitoring, 76–77
race tires, 72–73
radial, 61
reading the sidewall information, 60–61
replacing, 64
run-flat, 76–78
series, 60
sidewall height, 68
sidewall stiffness, 68
signs of wear, 64
spares, 76
speed rating, 61–62
street tires, 69–72
summer high performance, 69–71
tire repair can, 77
touring, 69
touring tires, 71
tread depth, 59
tread pattern, 67–68
352 Car Hacks & Mods For Dummies
TLFeBOOK
tread wear bars, 59
tread wear ratings, 67
ultra-high performance, 69–71
Uniform Tire Quality Grade (UTQG), 67
wear bar test, 59
weight, 179
width, 61
winter/snow, 64, 69, 71
torque-sensing differential, 174
touring tires, 69, 71
tow services for lowered cars, 163
tower braces, 169
Toyota, 315–316
traction control
Antilock Brake System (ABS), 151
Engine Control Unit (ECU), 273
Racelogic system, 174
standalone ECUs, 306
tread pattern on tires, 67–68
trends, 95–96
trim
chromed metal trim, 122
chromed plastic trim, 122
maintenance, 122–123
painted trim, 122
unpainted plastic trim, 123
tuners
air/fuel controllers, 286
auxiliary injector controllers (AICs),
289–290
reflashes, 283–284
standalone ECUs, 305
turbochargers, 256
turbo boost controller, 291–293
turbo-back exhaust, 212–213
turbochargers
air intake, 190, 251
boost controller, 243
boost gauge, 240
camshafts, 256–257
comparison with superchargers, 248
compression ratio, 236
compressor, 232
compressor bypass valves, 242
coolant jackets, 237
coolant lines, 240
cooling systems, 238, 250
costs, 240
cylinder pressure, 236
defined, 231
drivability tradeoffs, 254–255
durability, 234
engine reinforcement, 243, 251
exhaust downpipe, 240
exhaust system, 202–203, 233, 251
factory, 234
fuel injectors, 240
fuel pumps, 240
fuel systems, 249–250
gauges, 252
head gasket failure, 235
heatsoak, 257
high altitudes, 230
how they work, 232
hybrid turbos, 233
ignition timing, 250
illustrations, 232–233
intercoolers, 241, 257, 259–260
kits, 239–240
lag time, 231
manifold or adaptor plate, 240
mufflers, 202
oil coolers, 236–237
oil lines, 240
sound system, 242
spark plugs, 250–251
tuning, 256
turbine, 232
wastegate, 239–240
water injection, 260–261
water jackets, 237
TurboXS
Dual Stage boost controller, 292
UTEC (User Tunable Engine Computer),
301–302
twin clutch, 223–224
twin-screw superchargers, 244–245
Index 353
TLFeBOOK
• U •
Uberdata freeware (for cracking a ECU),
280
ultra-high performance tires, 69–71
understeer, 157–159
understressed parts, 217
Uniform Tire Quality Grade (UTQG), 67
unsprung weight, 180–181
UTEC (User Tunable Engine Computer)
(TurboXS), 301–302
• V •
vehicle code, 11–12
Vehicle Speed Sensor (VSS), 296
vein pressure converter (VPC), 295
vented rotors, 140–141
ventilation (brakes), 143–145
venturi, 105–106
Volkswagen enthusiast Web sites, 319
• W •
warranties
event participation, 15
Magnuson-Moss Warranty Act, 13–15
modifications, 330
SEMA (Specialty Equipment Market
Association), 13
washing your car
best weather conditions, 114
car washes, 113
convertible fabric tops, 123
glass, 121–122
under the hood, 126
Mr. Clean AutoDry Carwash, 115
plastic windows, 122
step-by-step directions, 114–115
supplies, 114
tire dressings, 120–121
tires, 120–121
trim, 122–123
wheels, 120
wastegates (turbochargers)
external, 239–240
internal, 239
water injection, 260–261
water jackets, 237
Water Wetter (Red Line), 238
waterless coolant, 238
waxes, 119
weather seals, cleaning, 125
Web sites
Acura enthusiasts, 316–317
Audi enthusiasts, 319
Autopia, 321
Autospeed, 320
Babel Fish, 321–322
BMW enthusiasts, 318
Camaro enthusiasts, 319
Corvette enthusiasts, 319
Drifting.com, 323–324
enthusiast message boards and forums,
314–315
Firebird enthusiasts, 319
Google, 321–322
Grassroots Motorsports, 322
Honda enthusiasts, 316–317
How Stuff Works, 320–321
Lotus Elise enthusiasts, 318
Mazda enthusiasts, 317
Mitsubishi enthusiasts, 317–318
Mustang enthusiasts, 319
National Hot Rod Association
(NHRA), 323
Nissan enthusiasts, 318
SCCA (Sports Car Club of America),
322–323
Subaru enthusiasts, 318
Taka Kaira, 324
Toyota enthusiasts, 316
Volkswagen enthusiasts, 319
weight distribution
acceleration, 175
braking, 175
centering weight, 180
cornering ability, 175
354 Car Hacks & Mods For Dummies
TLFeBOOK
performance, 175
rotating mass, 178–179
static weight, 181–183
unsprung weight, 180–181
wet set-up nitrous system, 247
wet sump oiling system, 237
wheel horsepower (whp), 178
wheel spacers, 85–87
wheels
appearance, 79, 84–87
backspacing, 82–83
basic dimensions, 80–81
bolt pattern, 80
cast wheels, 89
dubs, 90–92
fender liners, 85
fender lip, 85
fit, 79
forged, 88–89, 178
hub centering, 81
maintenance, 120
materials, 88–89
modular, 89–90
offset, 82
performance, 79, 84–85, 87–88
position, 82–83
rim diameter, 81
rim width, 80–81
semi-solid forged, 90
spinners, 90–92
“Whipple Charger†twin-screw
supercharger, 244
whp (wheel horsepower), 178
wide-body kit, 109
wings, 104–105
winter/snow tires, 64, 69, 71
WORKS P2 Boost Tube, 284
• X •
Xede (Chip Torque), 300–301