Quote:
Originally Posted by 77 TRASHCAN
I wonder if there's a stock valvetrain under those chrome valve covers???
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People put different valve covers on strictly for looks 99% of the time.
1964 GTO heads would be unlikely candidates for screw-in studs, roller rockers and a stud girdle thereby requiring tall valve covers at least in my mind.
I have roller rockers and screw-in studs on my 1964 GTO heads with stock valve covers and a slightly thicker 5/16” gasket and that’s it. The vast majority of 1964 GTOs have just the original press-in rocker studs and original stamped steel 1.5:1 rockers you can bet.