Olds 350 #5 vs 7a heads

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May 31, 2011 | 06:33 PM

theoldsrocket

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Olds 350 #5 vs 7a heads

Which heads are better, I have a 1972 olds 350 with 7a heads. Is it worth putting the 1969 #5 heads on? Thanks

Jun 1, 2011 | 04:58 PM

captjim

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Joined: Aug 2007

Posts: 2,250

Quote:

Originally Posted by theoldsrocket

Which heads are better, I have a 1972 olds 350 with 7a heads. Is it worth putting the 1969 #5 heads on? Thanks

Nope, the myth that the chambers are smaller and that they flow significantly better is just that.

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