red hot headers

Asked by May 15, 2016 at 03:17 PM

Question type: Maintenance & Repair

I'm wondering why my headers on my 64 impala
are red hot....actually RED HOT!  Motor is a 400
small block. It runs and starts every time. Starts
to pop a little bit when warmed up. Nothing to
bad some flame out open headers once in
awhile. Normal?.... Any one have any ideas? I'm
kinda concerned!

1 Answer


Unburnt fuel is getting into exhaust, advance your timing.

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