These are excellent entry-level performance engines for older cars, trucks, and street rods. All of the parts in these engines are brand new. These GM Performance Goodwrench 5.7L/350 c.i.d. engines have approximately 8.5:1 compression with an base horsepower rating of 195 hp and capable of up to 260 hp depending on intake and injection setup. These crate engines have a 4.00 in. bore and a 3.47 in. stroke with 4-bolt mains and 2-piece rear main seals. Camshaft specifications are .383 in. intake lift and .401 in. exhaust lift. The open duration is 194 degrees intake and 202 degrees exhaust at .050 in. with a 112 degree lobe separation. The cylinder heads are cast iron with 1.94 in. intake valves and 1.50 in. exhaust valves, 76cc combustion chambers, and 7-bolt style exhaust flanges. These engines include painted valve covers, oil pans, and timing covers. They are drilled for both left hand and right hand dipsticks.
When installed in the following vehicles, these engines carry a 36-month or 100,000-mile warranty:
* 1975-78 Chevy/GMC pickup (C1)
* 1975 Chevy/GMC Blazer, Jimmy (C1)
* 1975 Chevy/GMC van (G1)
* 1978-80 Chevy/GMC van (G2,3)
* 1979-85 Chevy/GMC pickup, Suburban, Blazer, Jimmy (K1)
* 1979-80 Chevy/GMC pickup, Suburban, Blazer, Jimmy (CK1)
* 1979-80 Chevy/GMC Suburban (CK 1, 2)
* 1979-85 Chevy/GMC Suburban (CK 1)
* 1980-85 Chevy/GMC van (G1, 2, 3)
* 1981-82 Chevy/GMC pickup (CK1)
* 1983-85 Chevy Caprice Classic, Impala (B)
* 1973-80 Chevy Corvette (Y)
* 1984-85 Pontiac Parisienne (B)
If this engine is installed in any other application, it has a 12 month or 12,000-mile warranty (parts only, no labor).
Warranty