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header temps?

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Old Feb 24, 2002 | 11:07 PM
  #1  
91RamAir Formula's Avatar
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From: Queen Creek, AZ
Car: 91 Formula
Engine: 383 HSR
Transmission: 5th 700R4
Axle/Gears: 3.89
header temps?

just how hot do headers get? was thinking of some different coatings.
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Old Feb 25, 2002 | 12:35 AM
  #2  
Mark A Shields's Avatar
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From: Someone owes me 10,000 posts
Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
In the range of 1200-1300*
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Old Feb 25, 2002 | 09:59 AM
  #3  
Lounge Lizard 6's Avatar
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From: Melbourne, FL
In a little less technical point of view; leaning over my uncoated SLPs while the engine is up to operating temp and running, feels like leaning over hell. But when I used an IR temp gun, at idle I was seeing ~600° on the individual headers immediately off the cylinder head.

Last edited by Lounge Lizard 6; Feb 25, 2002 at 10:03 AM.
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Old Feb 25, 2002 | 11:19 AM
  #4  
Mark A Shields's Avatar
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From: Someone owes me 10,000 posts
Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
Originally posted by Lounge Lizard 6
In a little less technical point of view; leaning over my uncoated SLPs while the engine is up to operating temp and running, feels like leaning over hell. But when I used an IR temp gun, at idle I was seeing ~600° on the individual headers immediately off the cylinder head.
Was the car running for a while? Uncoated headers should get hotter than that. How high does the temp gun go to, I haven't seen any that go over 600*.
Most people that put 1200* Header Paint on, it will burn off eventually.
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Old Feb 26, 2002 | 12:20 PM
  #5  
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From: Melbourne, FL
That was operating temp but just at idle. The temps went up right away when the rpms were brought up. I was looking for a bad cylinder so I wasn't concerned with the temps other than to see which one was off from the others.
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