red hot manifolds help

[e30sportlove]

a 1985 e we just got it running,, put a new wireing harness on it,, it idels good but it has no power when driving it and the Exhaust manifolds are red hot,,, can a cloged cat cause the manifolds to glow red....??????we took off cat got a little beter but still hot and no power thank you

[91Saleen#15]

a 1985 e we just got it running,, put a new wireing harness on it,, it idels good but it has no power when driving it and the Exhaust manifolds are red hot,,, can a cloged cat cause the manifolds to glow red....??????we took off cat got a little beter but still hot and no power thank you

Check your spark advance with a timing light. I don't think your ignition timing is adjustable, but there could be something defective in a way so it is not being allowed to advance. If there is insufficient spark advance, wouldn't the fuel mixture still be burning as it is pushed out into the exhaust manifold? That would create extra heat there.

[PeaveyBassist]

Clogged cat more than likely.

Will