Chevy and GMC Trucks:
 
ECM P/N PLATFORM

EPROM

TYPE

1227137

86 Astro/Safari Van, LB4, 4.3L

2732A
1228934

85 - 93 C/K Truck, Commercial Truck, (HD) Manual Trans LB4, 4.3L

2732A
1227747

87 - 91 C/K Truck, Van, 4.3L, 5.7L, 5.0L & 7.4L

2732A
1228747

87 - 92 C/K Truck, Van,  5.7L & 7.4L (HD)

2732A
1228062

89 - 90 4.3L LB4, 2.8L LL2 S-10  

2732A
16144288

91 -  92 4.3L S-10 & C/K Truck

2732A
1227749

91 - 93 Syclone & Typhoon

27C128

16147060 or

16127470

91 - 93 C/K Truck, Van,  5.7L & 7.4L (HD)

27C256
1227165  87 - 89 S10 Truck, 2.5L, LN8 27C128
1227165  90 - 91 S10 Truck, 2.5L, LN8 27C128

1227165 or

16156647

91 - 93 S10 Truck, 2.5L, L38

27C128
16146299

92 C/K Truck, Van, 4.3L, 5.7L & 7.4L

2732A
16128420  92 - 93 C/K Diesel Truck L65, Auto Trans, TCM 27C128
16156647  92 S10 Truck, Astrovan 4.3L, L35 CPI 27C256

16156480,

16196396 or 16171199

93 - 95 C/K Truck, Van, 5.0L & 5.7L,    Manual Trans. 

2732A
16168625

93 C/K Truck, Van, 4.3L, 5.0L & 5.7L

27C512
16196395 or
16197427

94 - 95 C/K Truck, Van, 4.3L, 5.7L & 7.4L

27C512
16196395 or
16197427

94 - 95 Truck, Van, 4.3L L35 CPI 

27C512
16196395 or
16197427

94 C/K Truck, Van,  5.7L & 7.4L (HD)

27C512
16197427 or 16156930 

95 C/K Truck, Van,  5.7L & 7.4L (HD)

27C512
16245358

95 C/K Truck, Van,  4.3L

27C512
16245358

95 Truck, Van,  4.3L L35 CPI

27C512
16197427

96 - 97 C/K Truck, L05 EXPORT ONLY

27C512

 

Chevy Cars:
 
ECM P/N PLATFORM

EPROM

TYPE

1226870

85 Y CAR 5.7L TPI (L98)

85 F CAR 5.0L TPI (LB9)

2732A
1227165

86 Y & F CAR 5.0L / 5.7L TPI

27C128
1227165

87 - 88 Y & F CAR 5.0L / 5.7L TPI

27C128
1227302  86 - 89 F CAR LB6/LB8 V6 2732A
1227746  87 Caprice/MonteCarlo 4.3L LB4 2732A
1228063  88 F CAR 5.0L LO3 TBI 2732A
1228746

89 - 92 F & B Cars, LO3 & LO5 Eng.

2732A
1227165

89 Y & F CAR 5.0L & 5.7L

27C128
1227730

90 - 92  F CAR LH0 V6

27C256
1227727 or
1227730

90 - 91  Y CAR 5.7L TPI

90 - 92  F CAR 5.0L & 5.7L TPI

27C256
1228331

90 Corvette ZR1 (LT5)

27C256
1228331

91 Corvette ZR1 (LT5)

27C256
16136965 

91- 93 Caprice, LB4, L03 & L05 Eng.  

2732A

16163860 or

16163993

92 Corvette ZR1 (LT5)

27C256
16159278

92 - 93 Y  CAR 5.7L, LT1

27C256
16159278

93 F CAR 5.7L, LT1

27C256

16163993 or

16196394

PURCH93 - 95 Corvette ZR1 (LT5)

27C256
16181333 or 16188051

94 - 95 Y, F & B CAR, Cadillac 5.7L, LT1, L99 (FLASH) (incl. 'Rev B')

FLASH

 

Buick/Pontiac Cars:
 
PROGRAM ID BYTE ECM P/N PLATFORM
1226459

84 - 85 LM9 3.8L V6 Turbo Buick/Pontiac

2732A
1226869  85 Pontiac Fiero 2.8L V6 2732A
1227170  86 - 88 Pontiac Fiero 2.8L V6 2732A
1227148

 86 - 87 Turbo Buick

 89 Trans Am LC2

2732A
1227748

 87 - 88 Pontiac Fiero 2.5L 4 Cyl. LR8 

 87 - 90 Celebrity, 6000, Cutlass, Ciera, Century 2.5L 4 Cyl. LR8

27C128
1227748

 89 Grand Am, Cutlass, Skylark
 2.5L, L68, 4 Cylinder

27C128
1227748

 90 - 91 Grand Am, Cutlass, Skylark
 2.5L, L68, 4 Cylinder

27C128
1227749

 87 - 90 Sunbird, Grand Am, 2.0L, LT3

 Turbo 

27C128
1228253  88 Buick / Pontiac LN3, 3800, V6 27C256
1228253  89 - 91 Buick / Pontiac LN3, 3800, V6 27C256
16141470  91 Buick / Pontiac L27, 3800, V6 27C256
 16141470

92 - 93 Buick / Pontiac L67, 3800, Supercharged

27C256
 16132792 or 16141470

90 - 92 Pontiac W-Body L27, 3800, V6 

27C256
 16183247 or 16197428

94 - 95 Buick / Pontiac L67, 3800, Supercharged

27C512
 16196387

94 - 95 Buick / Olds L82, 3.1L, V6 Manual Trans

27C256
1227730

 87 - 89 Buick / Pontiac LB6, 2.8L, V6

 89 - 90 Buick / Pontiac LH0, 3.1L, V6

27C256
1227727  89 - 90 Buick / Pontiac LG5 3.1L V6 MFI Turbo 27C256
1227730  91 - 93 J, L, W Cars LH0 3.1L V6 27C256
16149396

 91 - 94 Buick / Pontiac LQ1 3.4L V6

 93 - 94 Buick / Pontiac LH0 3.1L V6

27C256

 

 

Edelbrock Pro-Flow Systems:
ECM P/N PLATFORM

EPROM

TYPE

Edelbrock

Edelbrock Pro-Flow Systems

27C256