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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.
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∙ 14y ago
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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 headers do you use for an 84 Chevy 350 with Chevy 305 Vortex Heads?
The headers for a 350 and 305 are the same.
Can Chevy 305 heads be used on a 327 Chevy engine?
Yes, and well.
Will a pair of Chevy 300 Heads fit on a 305?
Possibly if Chevy made a 300.
How do you swap a 95 305 Chevy for a 350 Chevy engine?
the block & heads are the same you just have to pull the 305 out & put the 350 back in
What small block Chevy heads can you use on a305 4bbl Chevy motor?
305 heads of course, 350 heads will fit for sure and possibly 400. obviously no big block heads will fit. a 305 with 400 heads gets you a little over 352. 350 with 400 heads is a 383. add and divide
Will 1995 Chevy 350 heads fit on a 1995 Chevy 305?
No. The bore size is different between a 305 and 350. The 350 bore size is larger.
Where are the intake and exhaust valves located on a 305 Chevy engine?
In the cylinder heads.
How can you tell if your heads are bad on a CHEVY 305 engine?
take them to a machine shop
Will parts from a 305 motor fit on a 307 motor?
no I respectfully disagree. I am running 305 Chevy TBI heads on my 1971 Chevy 307 and all is very well.
Would 98 vortec 327 heads work on an 86 305?
yes the heads will bolt right on but if you are putting a 305 in there the flywheel is different in the sense that the 327 has a small hole where the flywheel meets the crank (you need the starter for the 305)
Will Vortec 350 heads work on vortec 305 engine?
Yes, they will work. but you wont gain power because the little 305 isn't putting out enough flow to keep up with the heads
