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If it's stock then they are most likely 76 CC large chamber low compression heads. Only way to be absolutely sure is take them off and see, but if you're sure it's a 74 then chances are extremely high they're 76 CC's.
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What is the combustion chamber size of Chevy cylinder heads from a 1969 307 truck engine?
60cc
What is the combustion chamber size of a 1994 4.3liter V8 Chevy?
There is no Chevy 4.3 V8. The 4.3 is a V6 followed by a 4.8 V8
What is the combustion chamber size of a Chevy 350 stock head?
stock 350 heads are 72 or 74 cc
What is the combustion chamber size of heads with casting 376450?
The combustion chamber size of the heads with the casting number 376450 is 60cc. It is possible to install larger valves.
What is the combustion chamber size of a 1985 Corvette head?
76cc
What is the combustion chamber size of L31 vortec heads?
Should be 74cc
What is the combustion chamber size of a 1993 350?
1993 350 what? check auto.consumerguides.com
How does combustion chamber size effect an engine?
if you make the combustion chamber smaller for example by shaving the heads when the sparkplugs ignites , the piston will get pushed down harder there for make your engine go faster .In short, reducing the combustion chamber size increases the combustion ratio which increasing the explosive force of the air fuel mixture when it burns. The negative side of this is fuel with a higher octane rating will have to be used to run the engine.
What chamber size is Chevy head 14101083?
64 cc's
What is the chamber size for Chevy heads numbers 14102187?
58.cc low torque swirl chamber head
What size gas tank does a 1974 Chevy Nova have?
I have a 1974 nova and my has 15 gallon
Will Chevy 305 heads fit a Chevy 350?
You will need to have the heads for the 305 bored out to the same size as the 350. I disagree: you can use the 305 heads on the 350 block but you will increase compression as the 305 heads have a smaller combustion chamber. The critical dimension is valve clearance. If compression ratio is a critical consideration, different pistons may be available which will bring the combustion chamber back to size. the 305 is from the 3.671 inch bore family. The 350 is from the 4.00 inch bore family. All small block heads have the same bolt pattern.
