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Old 04-04-2011, 08:59 AM   #2
Tom Goldman
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Join Date: Jan 2003
Location: Allentown,PA
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Default Re: exhaust temp help

EGT's can vary greatly from car to car ,engine to engine.
1400 degrees on any motor on gas ,without knowing other factors, would be considered lean.
Bottom line is go to basic test mode , jet up several sizes and see if the car picks up.
Dont be suprized if the car slows down and the EGT's go higher, cam profiles , and header design, can have exhaust gasses burning in the pipe,giving false lean conditions.
Probe locations are critical .
I've had engines that ran quickest @ around 1400 ,but I'd want to be sure thats what it really wants.
I think Billy once told me his six cylender runs near 1500 deg.
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