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Old Jun 2, 2006 | 06:13 PM
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jkm4874ford
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From: Bowling Green, Ky
Exhaust Temperatures

Was wondering what exhaust temperatures should be at the header flanges. I have about a 150 -200 degree swing between cylinders. This sounds pretty extreme.
 
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Old Jun 2, 2006 | 07:44 PM
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petes79f150
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From: Kiefer, Northeastern Okla
I would like to have a little more info on your setup. Like, are you running any aftermarket parts and on what engine? Do you know how to read your plugs? How's it running, etc.-Pete
 
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Old Jun 5, 2006 | 08:27 PM
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jkm4874ford
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From: Bowling Green, Ky
The motor is a 306 w/a mild cam and 4 barrel alumn. intake. I am using mustang shorty headers. The plugs never look very bad. My driving is 30 miles down the interstate at 75 mph. I am running a 650 cfm Holley. Thanks
 
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Old Jun 7, 2006 | 11:41 AM
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Are those temp readings after a hard run? Or just at idle?
 
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Old Jun 7, 2006 | 06:41 PM
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After a 25 mile run down the interstate at 75 mph. There will still will still be a good 100 degree swing after a drive around town.
 
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Old Jun 7, 2006 | 09:07 PM
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If the engine is running well, I would attribute the temperature difference to some compromises in the header design.
 
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