Intake/Exhaust Manifold lug thickness

[TommyCoupe]

I just bought a new Exhaust manifold and am ready to install it. Because the intake and exhaust manifold share the same studs/nuts, I expected that the thickness of the lugs on both parts would be the same.

If I measure the thicknesses of both, the intake is (at worst case) .012 thinner than the exhaust manifold.

Is .012 "close enough" or can it be shimmed on the nut side to make up for the offset ?

Tommy-