Hedman Header Install
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Supreme Member
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Joined: Mar 2001
Posts: 3,245
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From: Medford, Oregon
Car: 1989 Iroc Z L98
Hedman Header Install
I just installed a set of Hedman headers on my 1989 Iroc Z. These are shorty 1 5/8" headers, I scored the headers and Y pipe on ebay for $99.
They arrived rusty and in need of wire wheeling and paint

I soaked the exhaust manifold bolts in Liquid Wrench, and they came out easily:


On the driver's side, the easiest way to install the header was to take the steering shaft loose (1 bolt), and remove the valve cover (4 torx bolts), and the header just dropped in from the top.
On the passenger side, the header installed easily from the top. Not sure if this would be the case if I had not swapped to the non-ac heater box, but if you don't have A/C that is one of the best mods you can do. Easy spark plug swaps, easy access to the motor, etc.

I used "Made for You" valve cover looms designed for Center Bolt valve covers. They keep the wires off the headers and look great in my opinion.


Overall I am very pleased with the installation, just wanted to share that a header install isn't always such a PITA. If you want to see more check out my blog: http://burtonracing.blogspot.com/
They arrived rusty and in need of wire wheeling and paint
I soaked the exhaust manifold bolts in Liquid Wrench, and they came out easily:


On the driver's side, the easiest way to install the header was to take the steering shaft loose (1 bolt), and remove the valve cover (4 torx bolts), and the header just dropped in from the top.
On the passenger side, the header installed easily from the top. Not sure if this would be the case if I had not swapped to the non-ac heater box, but if you don't have A/C that is one of the best mods you can do. Easy spark plug swaps, easy access to the motor, etc.

I used "Made for You" valve cover looms designed for Center Bolt valve covers. They keep the wires off the headers and look great in my opinion.


Overall I am very pleased with the installation, just wanted to share that a header install isn't always such a PITA. If you want to see more check out my blog: http://burtonracing.blogspot.com/
Joined: Dec 2005
Posts: 6,499
Likes: 31
From: Macon, GA
Car: 1992 Camaro RS
Engine: Vortec headed 355, xe262
Transmission: T56
Axle/Gears: 9-bolt 3.70
Re: Hedman Header Install
It may work okay... I'd like to see the results as Ive been wanting to do that myself. I saw some after a while that... looked not great, but it did stay on, but not sure if its the same paint.
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Joined: Oct 2003
Posts: 3,449
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From: Charlestown, IN
Car: 1971 Camaro
Engine: 427
Transmission: TKO600
Axle/Gears: 3.73
Re: Hedman Header Install
You got a deal! I missed those, and I've been checking ebay regualrly.
Is that a fuel pump, and full lines on the passanger side?
Is that a fuel pump, and full lines on the passanger side?
Thread Starter
Supreme Member
iTrader: (1)
Joined: Mar 2001
Posts: 3,245
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From: Medford, Oregon
Car: 1989 Iroc Z L98
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Junior Member
Joined: May 2019
Posts: 12
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From: Livermore, CA
Car: 1986 IROC
Engine: LT1
Transmission: 4L60-E
Re: Hedman Header Install
[QUOTE=unknown_host;5494211]I just installed a set of Hedman headers on my 1989 Iroc Z. These are shorty 1 5/8" headers, I scored the headers and Y pipe on ebay for $99.
They arrived rusty and in need of wire wheeling and paint
I soaked the exhaust manifold bolts in Liquid Wrench, and they came out easily:


On the driver's side, the easiest way to install the header was to take the steering shaft loose (1 bolt), and remove the valve cover (4 torx bolts), and the header just dropped in from the top.
This saved my a ton of frustration thank you. I started pulling motor mount bolts and lifting up the engine etc.. This was super easy on the driver side. Thanks again1
YEs still being useful!!
Tory
They arrived rusty and in need of wire wheeling and paint
I soaked the exhaust manifold bolts in Liquid Wrench, and they came out easily:


On the driver's side, the easiest way to install the header was to take the steering shaft loose (1 bolt), and remove the valve cover (4 torx bolts), and the header just dropped in from the top.
This saved my a ton of frustration thank you. I started pulling motor mount bolts and lifting up the engine etc.. This was super easy on the driver side. Thanks again1

YEs still being useful!!
Tory
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