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Chryco's Tech Shop => Engine & Go Fast Goodies => Topic started by: darkside on August 18, 2018 - 03:23:27 PM

Title: small block head question
Post by: darkside on August 18, 2018 - 03:23:27 PM
I  was wondering if o heads are any good? i know j and x heads are good.i have a set on my numbers 71 318 engine.
Title: Re: small block head question
Post by: jimynick on August 19, 2018 - 10:03:47 PM
Can't speak to the "O" head, but the casting ending in 308 has been discussed extensively and it seems that they flow at least as good as the X and perhaps better. Just my  :2cents: