Quote:
Originally Posted by b-man
I once owned a ‘69 400 4-speed Firebird with factory A/C, the standard 330 hp 400 had #62 heads as one would expect.
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When I left CA in 1997 I left a 69 Firebird 4 speed car. Numbers drive train 400 4 speed posi and that was about it as far as options, but it still ran. It too had #62 heads, but according to Pete McCarthy's book it was supposed to have #48 heads. I wrote Pete a letter and he wrote me back stating he'd seen this before. While I wouldn't expect #62's on a 4 speed car rare, I would suspect the norm is the #48 heads.
FWIW I don't think there's any difference between the 1969 #48 and #62 and 1970 #12 and #13 72cc heads. If there is please enlighten me.