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-   -   Headers for 68 Firebird - Recommendations (https://forums.maxperformanceinc.com/forums/showthread.php?t=848873)

killakev 03-07-2021 11:18 PM

Headers for 68 Firebird - Recommendations
 
I had bought a set of Hooker headers model 4902HKR and have big problems on the driver side with fitment. One tube is contacting the pitman arm where it connects to the steering box and the steering can't turn all the way before hitting another tube. Pretty disappointing for sure.

Anybody have a good experience with other header manufacturers?

leeklm 03-08-2021 10:54 AM

I am guessing you have the straight Pittman arm? Assuming yes, you need the curved pitman arm. I forget what model/options the curved unit came with, but they are readily available in the aftermarket.

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jwcfbd 03-08-2021 11:50 PM

I don't know what I have for a pitman arm but I'm running Hooker Super Competition ceramic coated part #4107-1 on my 67 with out any fitment problems. Could it be your mounts being worn or the engine not setting level?

leeklm 03-09-2021 12:00 AM

99.9% sure he needs the curved pitman arm. My 68 with 350 and manual steer had the straight arm, which does not work with most (if not all) 4 tube headers

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killakev 03-09-2021 01:29 PM

Quote:

Originally Posted by jwcfbd (Post 6232081)
I don't know what I have for a pitman arm but I'm running Hooker Super Competition ceramic coated part #4107-1 on my 67 with out any fitment problems. Could it be your mounts being worn or the engine not setting level?

The 4107 model definitely has different bends WTF?

killakev 03-09-2021 01:31 PM

Quote:

Originally Posted by leeklm (Post 6232086)
99.9% sure he needs the curved pitman arm. My 68 with 350 and manual steer had the straight arm, which does not work with most (if not all) 4 tube headers

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The car was built with power steering and it does have a straight pitman arm. This car has been through a lot of hands so who knows what was originally there. Ames catalog (pg. 288) says curved pitman arm will not work with variable ratio PS or cars that have a straight pitman arm. So I don't know if I get a curved arm if it will even work! Cheapest aftermarket curved pitman arm I found was just over $50.

killakev 03-09-2021 01:33 PM

2 Attachment(s)
Here are some pictures

mysticmissle 03-09-2021 03:14 PM

place called rare parts makes replacement curved pitman arms about $150 http://fcrcmachine.com/rare-parts-pi...d-power-20798/

68tpls400 03-09-2021 04:42 PM

I have an extra original curved pitman arm from a '68 firebird if anyone needs one.
Has been in a box for 20ish years.

MarkS57 03-09-2021 05:06 PM

I remember converting a 68 to a 400 from an original 6 cyl with manual steering. I definitely needed the curved arm to replace the original straight arm.

JLMounce 03-09-2021 06:21 PM

I believe you can simply replace the arm. I don't think you need to also change the drag link and related components.

The curve is there simply for clearance, the attachment points should otherwise be the same, is my understanding.

MarkS57 03-09-2021 07:33 PM

Quote:

Originally Posted by JLMounce (Post 6232277)
I believe you can simply replace the arm. I don't think you need to also change the drag link and related components.

The curve is there simply for clearance, the attachment points should otherwise be the same, is my understanding.

Yup, its been years but I believe that is so.

4dblnkldude 03-09-2021 10:38 PM

What models came with the curved pitman arm? I have a 69 original 400 car and used dougs. I bought them 15 years ago and no fitment issues at all. They still look great too.....after I cleaned the oil stains off the coating.

Donovan 03-10-2021 12:49 AM

1968 V8 cars came with the curved pitman arm.


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