Dyno Don Header Clearance Issue
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Joined: Oct 2005
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From: Crestview, Florida
Car: 86 IROC-Z, 98 Z28
Engine: 370 LSx, LS1
Transmission: T56's
Axle/Gears: 3.73, 3.42
Dyno Don Header Clearance Issue
I'm in the middle of installing a set of Dyno Don Headers, and Ive run into a problem with the driver's side header. The second primary tubing is touching one of the stock steel brake lines. Has anyone else had similar problems, and if so what did you do? Ive moved the brake line a bit but I don't want to keep trying to move it and risk damaging it. Any ideas???




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From: Cypress, California
Car: 1989 GTA
Engine: 369 TPI
Transmission: 4L60E
Axle/Gears: 3.70 Nine Bolt
Re: Dyno Don Header Clearance Issue
Could it be that your motor mounts are old and sagging? Not an uncommon problem.
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From: Evansville,IN,USA
Car: 89' T/A, 00' Firehawk
Engine: 406 Roller
Transmission: TH700R4 w/2800 stall
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Re: Dyno Don Header Clearance Issue
Move it away from the header pipe.
And X2 on the motor mount question.
And X2 on the motor mount question.
Last edited by LilJayV10; Dec 26, 2009 at 09:03 PM.
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Joined: Jul 2001
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From: Buffalo, NY
Car: 1988 IROC-Z
Engine: 427 SBC
Transmission: ProBuilt 700R4
Axle/Gears: Moser 12 Bolt / 3.73 TrueTrac
Re: Dyno Don Header Clearance Issue
I had the same problem with my driver side header (Hooker 2055s). It was barely touching. I just moved the line with my hand a bit. No problems since, and that was 5 years ago.
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Joined: Mar 2007
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From: Muscatine IA
Car: 91 Firebird Formula
Engine: 383
Transmission: built 700r4
Axle/Gears: 4.11, 9inch
Re: Dyno Don Header Clearance Issue
my heddmans touched the brake lines. i just did sum gentle bending with a prybar and called it a day. no problems since
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From: Aloha, Oregon
Car: '91 Camaro Z28, '85 Camaro Z28
Engine: LB9, LB9
Transmission: T5, 700r4
Axle/Gears: Eaton 3.73 Posi, 3.23 Posi
Re: Dyno Don Header Clearance Issue
Those brake lines aren't going to break. Bend them out of the way.
Thread Starter
Joined: Oct 2005
Posts: 652
Likes: 0
From: Crestview, Florida
Car: 86 IROC-Z, 98 Z28
Engine: 370 LSx, LS1
Transmission: T56's
Axle/Gears: 3.73, 3.42
Re: Dyno Don Header Clearance Issue
Thanks for the help guys, should be ready to fire up after I change out the plugs tomorrow. 
I'm not sure about my motor mounts, I suppose there ok. For the most part the headers dropped right into place and cleared the frame rails easily on both sides. That and my motor doesn't shake violently when shifted into gear. Other than that I don't know how to tell if the mounts are shot or not.
Last edited by Rich92 RS; Dec 28, 2009 at 06:04 PM.
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iTrader: (3)
Joined: Sep 2003
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From: Cypress, California
Car: 1989 GTA
Engine: 369 TPI
Transmission: 4L60E
Axle/Gears: 3.70 Nine Bolt
Re: Dyno Don Header Clearance Issue
If you have plenty of clearance otherwise I would not worry about it.
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