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Q: What is the normal compression for a 1981 Chevy 305?
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1981 Chevy 305 will not crank have changed plugs wires timing is right what could be wrong?

Does it turn over? Does it have spark? Does it have fuel? Does it have compression?


What cylinders are on a 1983 Chevy 305?

it depends if you have a 305 or 305ho , 305 8:1 compression cupped cylinders 305ho has 9:1 compression with valve cut pistons


What is the compression pound per cylinder of 305 Chevy?

when my 305 is running it has about 60 psi in all the cyliner


Will Chevy 305 heads fit on a Chevy 307?

Yes they will, but 305 heads have a smaller combustion chamber so it may raise your compression ratio.


What is the compression ratio on 1978 305 Chevy engine?

8.3:1 is stock


Benefits of putting Chevy 305 heads on a Chevy 327?

Higher compression ration which can increase hp. I installed 49cc heads on my 305 instead of the 64cc and got a higher compression ration and a fair amount of hp gain.


What is the normal rotation of a Chevy 305 CI motor?

Clockwise


Why wont the 350 transmission from a 1979 Chevy truck with a 305 engine fit a 1981 Chevy truck with a 305 engine?

Who said it won't ? It will fit right in there with NO problems


What is the normal operating temperature of a 89 Chevy 305?

95 degrees


What is the octane level for a 1991 Chevy Caprice?

305 Small Block Chevy engines typically were 8.6 compression ratio and would use 87 octane fuel.


How can you get 400horsepower out a Chevy 305 smallblock?

It could be done with high compression, big valves, and a roller cam, or a supercharger, or nitrous oxide.


What heads are on a 1987 Chevy 305?

if ur lucky it may have came stock with camel hump heads with 10.2 compression and it will purr....