what is the compression ratio for a lg4 (i think) 305 cid? the engine came out of a 1985 caprice. i just want to know for common knowledge. also, im getting ready to do some work to this engine, its not a 350 but im on a budget. i just want to be able to smoke the tires and cruise around town. maybe i'd take it to the drag's once a summer.

what do you motorheads think of this combo?

-performer rpm intake
-cam Adv. duration: 244 intake 264 exhaust
Duration at .050: 194 intake 214 exhaust
-4.10 gears
-msd ignition/distributor
-stock 350 heads

do you guys think i'd be satisfied or do you see anything that concerns you about this setup? i havent bought the stuff yet so feel free to post whatever
Keep in mind: i dont have the money to go buy a used 350 and take a chance on it being a worthless piece of *&%@. if i had the money, id just go buy a crate motor.

 

It's around 8.5:0. Stock 350 heads will make it a dog. The dished pistons plus 64cc chambers will yield an even lower compression that will make a very low HP engine. Your combo is a little mismatched. The RPM intake is designed for high RPM horsepower which the cam your picked is too wimpy to help with. Gears are a good choice if you want LOTS of low end for street driving.

If I were you I'd get at least some stock 305 heads, a normal performer intake and a healthier cam. Call Edelbrock and see what they would reccommend. You could also try to find a cheap 350, throw some 400 dollar vortec heads on it, get a carb vortec intake and a decent cam and have over 300 horsepower for about the same price!

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1991 Z28 5.7 TPI

ZZ4 heads, ZZ4 cam, Harland Sharp roller rockers, Accel base, SLP siamesed runners, 52MM SLP Throttle Body, Hooker Headers, Flowmaster catback, MSD6A ignition, Home made ramair system, 2500 stall, bullet proof 700R4, aluminum driveshaft...

Soon to be installed. WC T5 !