Not getting to drive her often enough, does that bug you?

[JZRIV]

On 11/23/2016 at 9:23 AM, RivNut said:

If those manifolds had not been "disturbed" there would still be the French locks on the bolts.  Not using gaskets allows the exhaust manifold to act as a heat sink and pull heat from the head.  Using a gasket traps the heat in the head.  Simple logic from Buick.

Ed,

No locks were used in 67. I think they quit using them at some point in 66. I'd have to search back to see what Darwin Falk told me but know for sure later 66's did not have them.