Originally Posted by
Bill@HPTuners
GM V8 Gen III Cars
Years Avail. Model Type Single Vehicle
Credits Year/Model
Credits (Per Year)
98-02 Firebird/Camaro 5.7 2 6
97-04 Chevy Corvette 5.7 2 6
03-04 Chevy SSR 5.3 2 6
04 Pontiac GTO 5.7 2 6
04-05 Cadillac CTS 5.7 2 6
99-05 Holden Commodore 5.7 (including Adventra) 2 6
01-05 Holden Monaro 5.7 2 6
06 Holden Sedan 5.7 (4 Door Sedan) 2 6
06 Holden Non-Sedan 5.7 (Ute, Crewman, Adventra, Wagon, Coupe) 2 6
Unlimited Vehicle Group: 30 Credits
GM V8 Gen III Trucks
Years Avail. Model Type Single Vehicle
Credits Year/Model
Credits (Per Year)
02-06 Chevy Avalanche 5.3, 8.1 2 6
99-07 Chevy Silverado / GMC Sierra 4.8, 5.3, 5.7, 6.0, 8.1 2 6
00-06 Chevy Tahoe 4.8, 5.3 2 6
00-06 Chevy Suburban / GMC Yukon 4.8, 5.3, 5.7, 6.0, 8.1 2 6
03-04 Chevy Trailblazer 5.3 2 6
01-07 Chevy Express / GMC Savana 4.8, 5.3, 5.7, 6.0, 8.1 2 6
04 Chevy Tiltmaster 6.0 2 6
06-09 Chevy Kodiak / GMC Topkick 8.1 2 6
09-12 GMC Canyon 5.3 2 6
03-04 GMC Envoy 5.3 2 6
04 Buick Rainier 5.3 2 6
02-06 Cadillac Escalade 5.3, 6.0 2 6
03-07 Hummer H2 6.0 2 6
03-04 Isuzu Ascender 5.3 2 6
01-07 Workhorse 5.7, 8.1 2 6
Unlimited Vehicle Group: 30 Credits
GM V8 Gen IV Cars
Years Avail. Model Type Single Vehicle
Credits Year/Model
Credits (Per Year)
10-14 Chevy Camaro 6.2 2 12
05-13 Chevy Corvette 6.0, 6.2, 7.0 2 12
05-06 Chevy SSR 6.0 2 12
06-09 Chevy Impala 5.3 2 12
06-07 Chevy Monte Carlo 5.3 2 12
05-06 Pontiac GTO 6.0 2 12
05-09 Pontiac Grand Prix 5.3 2 12
08-09 Pontiac G8 6.0, 6.2 2 12
08-09 Buick LaCrosse 5.3 2 12
06-09 Buick Lucerne 4.6 2 12
06-14 Cadillac CTS 6.0, 6.2 2 12
06-10 Cadillac STS 4.4, 4.6 (4.6 in 07+ only) 2 12
06-09 Cadillac XLR 4.4, 4.6 (4.6 in 07+ only) 2 12
06-09 Cadillac DTS 4.6 2 12
05-06 Holden Commodore (LS2) 6.0 2 12
06 Holden Commodore (L76) 6.0 2 12
05 Holden Monaro 6.0 2 12
07-14 Holden Sedan 6.0, 6.2 (4 Door Sedan) 2 12
07-14 Holden Non-Sedan 6.0, 6.2 (Ute, Wagon, Coupe) 2 12
06-12 GM Generic GMPP E67 Crate Motor PCM 2 N/A
Unlimited Vehicle Group: 130 Credits
GM V8 Gen IV Trucks
Years Avail. Model Type Single Vehicle
Credits Year/Model
Credits (Per Year)
09-12 Chevy Colorado 5.3 2 12
07-13 Chevy Avalanche 5.3, 6.0 2 12
07-13 Chevy Silverado / GMC Sierra 4.8, 5.3, 6.0, 6.2 2 12
07-13 Chevy Tahoe 4.8, 5.3, 6.2 2 12
07-13 Chevy Suburban / GMC Yukon 4.8, 5.3, 6.0, 6.2 2 12
05-10 Chevy Trailblazer 5.3, 6.0 2 12
08-13 Chevy Express / GMC Savana 4.8, 5.3, 6.0 2 12
05-10 GMC Envoy 5.3 2 12
05-07 Buick Rainier 5.3 2 12
07-09 Cadillac SRX 4.6 2 12
07-13 Cadillac Escalade 6.2 2 12
08-09 Hummer H2 6.2 2 12
08-10 Hummer H3 Alpha 5.3 2 12
05-09 Saab 9-7x 5.3, 6.0 2 12
05-06 Isuzu Ascender 5.3 2 12
08 Isuzu NPR 6.0 2 12
Unlimited Vehicle Group: 130 Credits
GM V8, V6 Vortec Trucks
Years Avail. Model Type Single Vehicle
Credits Year/Model
Credits (Per Year)
98-00 Chevy Silverado / GMC Sierra 5.0, 5.7, 7.4 2 6
98-00 Chevy Tahoe 5.7 2 6
98-00 Chevy Suburban / GMC Yukon 5.7, 7.4 2 6
98-00 Chevy Express / GMC Savana 5.0, 5.7, 7.4 2 6
99-00 Cadillac Escalade 5.7 2 6
98-00 Chevy S10 / GMC Sonoma 4.3 2 6
98-00 Chevy Blazer 4.3 2 6
98-00 Chevy Silverado / GMC Sierra 4.3 2 6
98-00 Chevy Astro / GMC Safari 4.3 2 6
98-00 Chevy Express / GMC Savana 4.3 2 6
98-00 GMC Jimmy / Oldsmobile Bravada 4.3 2 6
Unlimited Vehicle Group: 30 Credits
GM V6 Cars
Years Avail. Model Type Single Vehicle
Credits Year/Model
Credits (Per Year)
97-02 Firebird/Camaro 3.8 2 4
00-05 Chevrolet Impala 3.4, 3.8 2 4
06-11 Chevrolet Impala 3.5, 3.9 2 6
97-01 Chevrolet Lumina 3.1, 3.4, 3.8 2 4
97-03 Chevrolet Malibu 3.1, 3.4 2 4
06-10 Chevrolet Malibu 3.5, 3.6, 3.9 (3.5 in 07+ only) 2 6
97-05 Chevrolet Monte Carlo 3.1, 3.4, 3.8 2 4
06-07 Chevrolet Monte Carlo 3.5, 3.9 2 6
97-05 Pontiac Bonneville 3.8 2 4
97-05 Pontiac Grand Am 3.1, 3.4 2 4
06-09 Pontiac G6 3.5, 3.6, 3.9 (3.5 in 07+ only) 2 6
97-05 Pontiac Grand Prix 3.1, 3.8 2 4
98-05 Buick Century 3.1 2 4
97-05 Buick Lesabre 3.8 2 4
97-05 Buick Park Avenue 3.8 2 4
97-04 Buick Regal 3.8 2 4
97-99 Buick Riviera 3.8 2 4
09-11 Buick Lucerne 3.9 2 6
04 Buick Rendezvous 3.4 2 4
99-04 Oldsmobile Alero 3.4 2 4
07-09 Saturn Aura 3.5, 3.6 2 6
Unlimited Vehicle Group: 70 Credits