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Old 01-18-2003, 07:57 PM   #1
Nixon1
Registered Member
 
Join Date: Jan 2003
Location: Palm Bay, FL
Posts: 432
Default Cold exhaust components??

Ok....the fan is wired to kick on with the fuel pump since there isnt a switch in..so it runs 24/7. Meaning the car always runs very cool...guesstimate, around 170 lightly driving..not much more than that. Now, I started it and let it warm up, and let it idle for probably a good 15 mins and shut it off. 10 mins later my friend tells me my exhaust is cool to the touch, even cold, and I pop the hood and my headers are so cool that I can lay my hand on them no problem...like they never even warmed up. Seems if they DO heat up, they don't hold it.. That can't be normal...? Could this be affecting anything during running, in terms of backpressure, exhaust operation, etc.? Thanks
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'91 Mustang GT 5.0 AOD Daily Driver

Current stats: NEW 302 short block, E-303 cam (@.050, 220/220, .498/.498, 110 degrees), 1.6 roller rockers, Performer RPM heads (aluminum, 1.9/1.6, 60cc chambers), Cobra intake, Granatelli 75mm MAF, Billet AFPR, Equal-Length Shorty Headers, Off-Road X Pipe, Flowmasters, 4.10 POSI

13.73 at 103.8, ~2.2 60'
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