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Hedman's 68470 headers interference

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Old Apr 16, 2013 | 05:20 AM
  #1  
blackbeauty's Avatar
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From: Christchurch, New Zealand
Car: 1989 Trans Am
Engine: 1989 305 TPI
Transmission: 700-R4
Axle/Gears: 2.77 10 bolt
Hedman's 68470 headers interference

Hi everyone,

I've got these headers for my '89 Trans Am and find they physically interfere with one of the heater pipes on cylinders 4 and 6. Has anyone has issues like this? I was thinking of having them coated to reduce any heat problems.

Thoughts?
Attached Thumbnails Hedman's 68470 headers interference-headers68470.jpg  
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Old Apr 16, 2013 | 08:30 AM
  #2  
88fastgta's Avatar
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From: Raleigh, NC
Car: 1988 Flame Red Trans am GTA
Engine: Forged 355 4 Bolt, FIRST TPI
Transmission: 700r4
Axle/Gears: ls1 torsen 3.42 gear
Re: Hedman's 68470 headers interference

honestly I would just relocate the hose somewhere else.... its going to melt that no matter how well you coat the headers.....
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Old Apr 16, 2013 | 03:42 PM
  #3  
blackbeauty's Avatar
Thread Starter
Senior Member
 
Joined: Apr 2003
Posts: 500
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From: Christchurch, New Zealand
Car: 1989 Trans Am
Engine: 1989 305 TPI
Transmission: 700-R4
Axle/Gears: 2.77 10 bolt
Re: Hedman's 68470 headers interference

That hose is a metal pipe, so I'm thinking it probably won't melt.
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Old Apr 19, 2013 | 01:14 PM
  #4  
Johnny Blaze's Avatar
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From: Charlestown, IN
Car: 1971 Camaro
Engine: 427
Transmission: TKO600
Axle/Gears: 3.73
Re: Hedman's 68470 headers interference

I dimpled my hedmans to clear.

You can also unbolt the tab that holds the metal pipe to the car, and bend it out of the way.
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Old Apr 28, 2013 | 06:33 PM
  #5  
slinginrods's Avatar
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Re: Hedman's 68470 headers interference

Had the same headers on my83 .never could get them to fit.They hit every where.
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Old May 3, 2013 | 03:59 AM
  #6  
blackbeauty's Avatar
Thread Starter
Senior Member
 
Joined: Apr 2003
Posts: 500
Likes: 0
From: Christchurch, New Zealand
Car: 1989 Trans Am
Engine: 1989 305 TPI
Transmission: 700-R4
Axle/Gears: 2.77 10 bolt
Re: Hedman's 68470 headers interference

Thanks for all the feedback guys. I ended up returning them and got some headers I already had modified to make them fit in the car. Ended up being cheaper that way.
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