Is UT okay to put 305 heads on a 350?

Asked by Chief71 Jan 14, 2015 at 09:59 PM about the 1980 Chevrolet C/K 10

Question type: Car Customization

My 350 has a cracked head and I have a spare 305 laying
around and I wanted to see if it was okay to bolt the 305 heads
on my 350

1 Answer
61,165

Andrew answered 9 years ago

Don't do it. It raises compression and it will spark knock like hell if you don't run high octane and adjust for it properly.

Mark helpful

Your Answer:

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