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Old 06-19-2025, 05:54 PM
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unruhjonny unruhjonny is offline
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Join Date: May 2004
Location: Calgary, AB, Canada
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Quote:
Originally Posted by Ronj1969 View Post
So I’m using a 1977 intake on a set of 1969 number 62...
My knee-jerk reaction is that you should use the later intake gasket;
The only difference is the crossover area;
I have seen some aftermarket generic intake gaskets (maybe they were old stock) that had a small circular hole for the crossover - which appeared to allow mixing and matching of intake vs heads...

I think I had this scenario when I owned my brother's '73 Formula - I had a '77 (W72) 400 shortblock, with '69-62 heads, and a '72 intake manifold.

I will look into this - because I want to know...

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1970 Formula 400
Carousel Red paint on Black standard interior
A no-engine, no-transmission, no-wheel option car.
Quite likely one of few '70 Muncie three speed Formula 400's left.


1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing)
2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs)