Hi Michael,
25 ft/lb should be about right. Make sure that the intake & exhaust
flanges are exactly the same thickness. If not, shim under the washers
on the low flanges to make them the same. Otherwise, tightening the nuts
will cause the studs to try to bend sideways. They won't bend, & the result
is the low flanges not being tightened as much as intended.
Dave Russell
BN2
Michael Williams wrote:
> Everyone,
> I have installed a 100M spec header from Dennis Welch. What I am
> trying to find out is how much to tighten the manifold nuts. I can't
> find a spec for this in the service manual. Does anyone know the
> recommended torque for these?
> --Michael
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