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Not a good idea. 350 heads will lower compression to 7 to 1 or less.
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∙ 13y ago
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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.
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.
Are tbi 305 and 350 heads the same?
no
Can 305 heads fit on a 350?
Yes
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.
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.
What size heads on 350 89 camaro?
Your question is a little vague, so im assuming you're asking which is better between 350 and 305 heads. Many people will tell you it doesnt matter. I think if you have a 350 engine then you should use 350 heads. the 305 heads will have higher compression, which will make the car louder, and somewhat faster, however, if you use 305 heads on a 350 engine then you should use a high octane fuel, so it will be better on your engine. Only use 305 heads if you know what your doing. if not you should probably stick with 350 heads. i hope that answered your question.
What will 350 heads do on a 305?
Not fit. Different blocks, altogether.
What do 305 heads do on a 350?
Not fit. Different blocks, altogether.
Will 1979 305 heads fit a 1988 350 vortex block?
Yes they will, But you will have to drill the 4 center bolt holes out in the 88 intake to make it bolt up to the 305 heads. I don't no why anyone would want to put 305 heads on a 350 engine, The 350 will never run like it did before.
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.
How many horsepower will a 350 40 over engine with 58 cc heads generate?
305 heads work on a 350 engine
