Glowing headers
Discussion
I have a 383 SBC with a Herbet camshaft and Edelbrock Perfomer RPM heads. I have just fitted Edelbrock Performer RPM air-gap manifold along with a Thunder series 650 carb. My problem is even though the engine fired up first time, within about 4 or 5 minutes the headers were glowing bright red (please see attached pics). No matter what I do with the timing I can't seem to cure this.
Does anyone have any ideas on where I'm going wrong? Desperately need your help on this one asap please gents as I was up till 1am this morning and have already missed out on track day today. Thanks PAT
Does anyone have any ideas on where I'm going wrong? Desperately need your help on this one asap please gents as I was up till 1am this morning and have already missed out on track day today. Thanks PAT
LuS1fer said:
My Corvette C4 had the headers glowing on a diagnostic rig but this obviously wasn't a problem on the move.
Why, because you couldn't see them from the drivers's seat A likely cause is misfiring on one or more cylinders for whatever reason, so that the unburnt fuel combusts in the manifold on the way out. Some years ago I had a plug lead fail in the early hours of the morning when 30 miles from home but needed to get back, so kept going. When I got home the exhaust manifold was red hot.
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