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Yes. For street use you should drill the steam holes using a head gasket as a template.
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∙ 13y ago
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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 350 heads fit a 400 block?
350 heads will bolt to the 400 block. They will need to be drilled for the "steam ports" in the 400 block.
Can 400 heads work on 350?
yea its the same thing as putting a 350 head on a four hundered . the 400 heads just have seam holes that arent in a 350 scb
Will cylinder heads from a gm 350 fit on a Pontiac 400?
No.
Will there be a power gain if you put 400 heads on a Chevy 350?
Probably not. 400 heads came with 1.94 intakes and 1.5 exhausts, and many of them had 76cc chambers. If the 350 has smaller chambers the 400 heads would lower the compression ratio, thus reducing power.
What is the size in cubic inches of a Chevy 350 bored 060 over with 350 crank and 400 heads?
Why 400 heads? They are notoriously bad flowing heads without much modification the engine would be about 360 cubic inches, but the heads have nothing to do with the size of the engine.
What is the purpose of 400 heads on a 350 motor?
Probably for chamber size & I think they have bigger valves. IMO it's a bad idea anyway since they don't have a water jacket.
What is a better motor to build a Chevy 350 or 400?
typically 350 parts are more common and cheaper than the 400 parts.
what motor can fit in a 1970 caprice?
350, 400, 454
How do you get 400 hp from a 350 Chevy?
Good compression, good heads, good cam.
What motor can fit in a 1970 caprice classic?
350, 400, 454
Will a sbc 350 starter motor fit a sbc 400?
Yes.
