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They can if the heads are cracked ,are the intake manifold gaskets were put on wrong when thay were installed.
The heads themselves if thay are good heads will not cause overheating.
You cannot put the head gaskets on wrong on a small block Chevy engine.
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∙ 12y ago
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Will 305 heads make more horsepower on a 350 1990ish motor with carb conversion?
No. 305's have small valves due to the 305's small bore. Large valve heads can't be used on the 305 because the valves will hit the cylinder block. 350 heads breathe MUCH better than 305 heads. Stick with the 350 heads.
Do the 305 vortec and 350 vortec have the same heads?
No. The 350 has bigger valves. While you CAN put the 305 heads on the 350, (I can't imagine why you would actually want to) you can NOT put the 350 heads on the 305. Because of the 305's small bore, the valves on the 350 heads will hit the cylinder block.
Where are the intake and exhaust valves located on a 305 Chevy engine?
In the cylinder heads.
How do you check for bad cylinder heads on your 305?
compression test or leak-down test.
Will a 1994 305 cylinder head enter change with a 1994 350 cylinder head?
Yes as long as you change both heads.
Can you run a Chevy 350 cam in a Chevy 305 with stock 305 heads?
Yes, but running a 350 cam with 305 heads is not effective,you need to run 350 heads as well. In order to benefit from a 350 cam you need something to flow that extra fuel and air, so using 350 heads along side of the 350 cam will be the cheapest and best choice. HAVE FUN!! A 350 head can physically bolt onto a 305 block. However, 350 heads can have the valves extend into the cylinder and contact the cylinder wall (even with the smaller 305 cam). The 350 cam in the 305 with stock heads will work. You wont want to use 350 heads you will lose compression due to the largers combustion chambers.
Will 305 truck heads work on a 305 car block?
yes
83 gmc truck 305 is there a left and right cylinder head?
The 305 is a small black Chevy in the gmc truck. So yes it has a right and left bank = 2 heads one on the right and one on the left...
Will regular old style 305 heads work on a newer vortec 305 block?
The heads will fit the block, but the vortec intake manifold will not bolt to the old style heads.
How much to get heads retorqued on a 1995 camaro with a 305 v6?
no such thing as a 305 v6.....
Can 305 heads fit on a 350?
Yes
Are tbi 305 and 350 heads the same?
no
