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post #1 of 27 (permalink) Old 02-27-2014, 03:43 PM Thread Starter
 
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headers pita

Guess I didn't take it to heart when I read how much installing these sucks. Had to drop clutch linkage,starter,oil pump. Shim the motor 1/2 inch. Which in return made me have to grind down the front of my air cleaner to fit. Not even done yet have about 6 hrs into this nightmare.
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post #2 of 27 (permalink) Old 02-27-2014, 04:52 PM
 
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You have my sympathy. Today I installed the headers on my restoration project ('67 GTO) and starting with JUST A BARE FRAME it was much more difficult than I imagined. Hope things turn up for you.
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post #3 of 27 (permalink) Old 02-27-2014, 04:59 PM Thread Starter
 
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Update done for day. Starter has to go. Think I have a mini high torque in storage hopefully. Silly me for thinking I could get It done painlessly in one day
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post #4 of 27 (permalink) Old 02-27-2014, 06:03 PM
 
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We speak from experience... I just picked up a set of the ram air manifolds ceramic coated with downpipes for 350.00 and thats a bargain compared to having to re-install the headers again.

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post #5 of 27 (permalink) Old 02-27-2014, 07:43 PM
 
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I have Doug's headers that are supposed to be the best for my motor swap on my 70's new motor. I was thinking of putting my old headers in my 66, but when I put the motor in the 66 I installed manifolds for a reason, guess I may not learn from my mistakes..

Burning rubber since 1982!!
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post #6 of 27 (permalink) Old 02-27-2014, 08:07 PM
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Wow, my headers are no problem and I've got 2 1/8" primary's with 3 1/2 inch collector . I needed a mini starter but everything else fits fine. Hell, 2 of my pipes go around the frame.




Oh yeah.....Chevy motor
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post #7 of 27 (permalink) Old 02-27-2014, 09:25 PM Thread Starter
 
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I hear you alky, i got the supercharged chevy 572 in my shopping cart. Days like today make me want to click buy.
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post #8 of 27 (permalink) Old 02-27-2014, 10:05 PM
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Yeah, they're painful to mess with for certain, but they are vocabulary enhancers...

I've -heard- (translation: no direct experience) that mad dog headers fit better.

When it's time to replace my Dougs, I might just try a set.

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post #9 of 27 (permalink) Old 02-28-2014, 07:20 AM
 
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if that is what its gonna take to install those headers, id put them back in the box. having to alter your air cleaner too? F**K that ! whoever designed those needs to find another job. im sure there are better fitting headers out there then that. what year gto?
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post #10 of 27 (permalink) Old 02-28-2014, 08:03 AM
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For you round port guys, check these out-

OBX Racing Sports SS Exhaust Manifold Headers 64 72 Pontiac GTO LeMans 326 455 | eBay

Thoughts? They are obviously off shore made but I've used OBX headers on my GTP GP and the quality and fit was top notch. And yes they were stainless steel and the welds were perfect. I think I would definitely try these if I was running the E heads or any round port head.

Honestly for a 400 inch D port engine I'm thinking RA manifolds are the way to go.

A big inch round port motor with an aggressive cam is gonna need headers though.
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  Pontiac GTO Forum > The 1964-1974 Pontiac Tempest, Lemans & GTO > 1964-1974 Tempest, Lemans & GTO General Discussion

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