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Open headers hut heads?

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Old Apr 6, 2003 | 12:39 PM
  #1  
black85camaro's Avatar
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From: Marion, Indiana, USA
Car: 85 Camaro
Engine: 350 Carbed
Transmission: Stock 700r4
Open headers hurt heads?

Will running open headers to the track hurt anything? I just finished putting the car back togather for the race this Wed and I want to run open headers. Its about a 30 min. drive at 50 mph. It will be about 45-60 degrees out side. They are dynomax shorties that stop at the bottom of the oil pan and point straight down.

Thanks

-Terry-


P.S. I am looking for that mid 13 time slip!!!

Last edited by black85camaro; Apr 6, 2003 at 12:47 PM.
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Old Apr 7, 2003 | 05:30 PM
  #2  
kjgroen's Avatar
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From: Parkersburg, IA, U.S.
Car: Trans Am
Engine: L69
Transmission: T5
Axle/Gears: 3.73
no it will not hurt you car. I always run open headers...........
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Old Apr 7, 2003 | 10:48 PM
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Ian_F's Avatar
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From: Hillsborough, NJ, USA
Car: 1996 Jeep Cherokee
Engine: 4.0
Transmission: 5 speed
I heard somewhere that if you run with open headers, cold air can go up through the headers whe the car is off and crack the valves. I am pretty sure this is a myth though.
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Old Apr 7, 2003 | 11:14 PM
  #4  
Mark A Shields's Avatar
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Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
Originally posted by Ian_F
I heard somewhere that if you run with open headers, cold air can go up through the headers whe the car is off and crack the valves. I am pretty sure this is a myth though.
I believe on shorty headers it could be possible, but unlikely.
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Old Apr 9, 2003 | 12:34 PM
  #5  
Ricktpi's Avatar
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From: Lower Salford, PA
Car: 1987 Camaro Z-28
Engine: 6.3L Victor EFI
Transmission: Tremec TKO 600
Axle/Gears: Moser 9"/4.11 Trac-Lok
Originally posted by Ian_F
I heard somewhere that if you run with open headers, cold air can go up through the headers whe the car is off and crack the valves. I am pretty sure this is a myth though.
If that was the case there would be a lot of cracked valves at the fall racing events.
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