Header Clearance

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Apr 15, 2008 | 09:48 PM

jhuff

Thread Starter

Instructor

Joined: Dec 2006

Posts: 167

Likes: 0

From: Oxnard/San Luis Obispo CA

Header Clearance

I just installed some Doug Thorley headers and when everything is said and done there will not be enough clearance to install the collector flange on the passenger side. (There needs to be about another 1/16 of an inch for the 2 flanges to mate correctly.)

Has anyone else had this problem?

I think the exhaust shop will be able to handle it, but I'm not sure if I like having the exhaust almost touching the fiberglass floor pans

Apr 24, 2008 | 10:24 PM

jhuff

Thread Starter

Instructor

Joined: Dec 2006

Posts: 167

Likes: 0

From: Oxnard/San Luis Obispo CA

ok here are some pics of whats goin on

I don't know if you can tell, but the collector I'm holding right there is touching the floorpan (i wish they were metal so I could pound them)

Apr 24, 2008 | 10:29 PM

'75

Le Mans Master

Joined: Dec 2007

Posts: 6,422

Likes: 591

From: McHenry Illinois

The muffler shop should be able to cut the pipe off the flange and weld on one that's angled down for better clearance.

Apr 24, 2008 | 11:33 PM

hwcoop

Melting Slicks

Joined: Apr 2006

Posts: 2,084

Likes: 14

From: Airdrie Alberta

wow, thats pretty close to the floor.
These were my headman headers for comparison

Apr 29, 2008 | 12:30 AM

'72 Corvette

1st Gear

Joined: Apr 2008

Posts: 1

Likes: 0

From: Huntersville NC

Is this a factory air car?

If it is factory air, I was wondering if you had any clearance issues with the compressor bracket, as I am considering this mod for my '72 350 with factory air?