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Re: 1986 K10 Short Bed Build
Ordered a GM Performance base crate motor, to replace tired motor.
“Engine Assembly, Crate Engine, Chevy 350, 2-Piece Rear Main Seal, Each
(Mfr. #: 12681429)”
The engine description:
“ Gen 1 5.7L crate engines are excellent entry-level performance engines for older cars, trucks, and street rods. All of the parts in these engines are brand new. These Chevrolet Performance Goodwrench 5.7L/350 c.i.d. engines have approximately 8.5:1 compression with a horsepower rating of 249 hp and 304 ft.-lbs. of torque. These crate engines have a 4.00 in. bore and a 3.48 in. stroke with 4-bolt mains and 2-piece rear main seals.
Camshaft specifications are .390 in. intake lift and .410 in. exhaust lift. The open duration is 195 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.”
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