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They are holes in the block and heads that aid in cooling the engine. There are one 3/16" and one 1/4" between each pair of cylinders.
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∙ 13y ago
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Will a sbc 350 starter motor fit a sbc 400?
Yes.
Will a 350 sbc bolt to the same transmission as a 400 sbc?
yes
Will a sbc 350 flywheel fit sbc 400?
yes but it has to be 83 or newer
Will a 1983 350 sbc flywheel work on a 1973 400 sbc?
No. The 400 is externally balanced and requires it's own flywheel.
Are sbc 350 pistons and sbc 400 pistons the same?
No. Standard 350 engines have 4.00" pistons, standard 400 pistons are 4.125".
Will a 350 sbc tune port injection fit in a 400 sbc?
It should work well.
What is the horsepowerof a 1972 sbc 400?
its about 350
How far can you bore a 400 sbc?
.030
What machining do you have to do to put a 400 sbc crank in a 350 sbc?
The main journals need to be turned down.
What cubic inch is a sbc 400 bored 30 over with a 350 crank?
377
Can you bore a sbc 350 to a sbc 400?
no you cannot. most engines .06 overbore is usually the safe limit. on a 350 .06 only gives you 10 more cubic inch. to get to 400 you would need to bore and stroke it. which gets very expensive. youd be better off looking for a 400 from a donor vehicle.
Was there a 383 1969 Camaro?
To build a 383 sbc (small block Chevy) a 3.75 inch stroke 400 sbc crank is added to a .030 inch overbored 350 sbc. This combination has never been released by Chevrolet in a production vehicle . So the answer to your question is no .
