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Old Aug 30, 2006 | 11:17 AM
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I'm halfway through the job. The old system is off and i'm ready to bolt up the new headers and y but i'm having seconds thought about header gaskets. I was originally planning on reusing the stockers but i'm not sure if that is such a good idea. It came with paper ones but i would rather use the stockers than paper. What are your feelings on reusing the stock gaskets. If you did any trouble?

Last edited by ZKid98; Aug 31, 2006 at 04:39 PM.
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Old Aug 30, 2006 | 11:19 AM
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I've re-used the stock metal gaskets 3 times and never had a leak, never even had to retorque header bolts (make sure you use anti-seize). As long as they don't have any bends/kinks in them they're perfectly fine to reuse.
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Old Aug 30, 2006 | 11:54 AM
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Whatever you do, DO NOT use the paper gaskets that came with the headers. If you are having second thoughts about reusing the metal stockers, run up to GM and get some new ones for about $20. With the paper ones, you are gauranteed to have a leak!
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Old Aug 30, 2006 | 02:32 PM
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Most people reuse the stock ones with no problems.
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Old Aug 30, 2006 | 02:35 PM
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I've had mine apart 4 times now i think,reused the coppers everytime no problems yet.
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Old Aug 30, 2006 | 02:53 PM
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ya you can reuse the stockers but it's recommended to buy new ones as not all header surfaces are the same and flat. and yes whatever you do, don't even think of using the paper ones
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Old Aug 30, 2006 | 03:27 PM
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Dont use the paper ones. Just go to the local dealership. It shouldn't be more than $25 for both.
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Old Aug 30, 2006 | 04:47 PM
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Anyone have the GM part #?
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Old Aug 30, 2006 | 04:52 PM
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Originally Posted by 2kta--89formula
Anyone have the GM part #?
12558573 keep in mind that is just for one gasket
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Old Aug 30, 2006 | 06:07 PM
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Reuse stockers
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Old Aug 30, 2006 | 07:17 PM
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just put pacestters on. 54k miles on car and reused the stock gaskets(were in good shape) about 100 miles on them so far and no problems
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Old Aug 30, 2006 | 07:21 PM
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Originally Posted by 0utlawTorn
12558573 keep in mind that is just for one gasket
Thanks! Mine have 90K on them so I'm just gonna get new ones.
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Old Aug 30, 2006 | 09:40 PM
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Wouldnt you want to use locktite on the bolts and not anti seize? I used it on the Cobras LT install to keep them from coming loose.

I plan on doing LT's on the Z/28 and hope I dont have to do half the BS I did on the cobra. Screw lowering the K member and engine.
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Old Aug 30, 2006 | 09:46 PM
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Originally Posted by blackfang
Wouldnt you want to use locktite on the bolts and not anti seize? I used it on the Cobras LT install to keep them from coming loose.

I plan on doing LT's on the Z/28 and hope I dont have to do half the BS I did on the cobra. Screw lowering the K member and engine.

I guess anti seize would be good if you dont ever plan on unbolting the headers from the heads.
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Old Aug 30, 2006 | 09:53 PM
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Yes, but I swore it allows removal of the nuts easier and not thats not a bolt/stud I would want coming loose.
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Old Aug 30, 2006 | 10:18 PM
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everytime i have installed headers, i have used never-seize. the reason for that is that you do not want to have to bolt fuse to the head for any reason. i would not recommend loctite but would recommend never seize. dont go over board on it, a little will go a long way. just a dab at the begining of the bolt and let it spread when your threading it in.
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Old Aug 31, 2006 | 04:33 PM
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Hey, i have the drivers side in but i can't get the car high enough to get the passenger side in. I'm doing it in my garage with a hydraulic jack and a set of jackstands any ideas?
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Old Sep 1, 2006 | 10:41 AM
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u can reuse the stock ones. but if ur ganna do it and u have money to spare id buy new one just to be safe
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Old Sep 1, 2006 | 12:19 PM
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stock ones will work perfectly fine, the passenger side is usually the easy side to get in?? just wrestle with it and try to find if you can see what its hitting....
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Old Sep 1, 2006 | 07:48 PM
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make sure they are in good shape if not u can go to orielys and get some for 10 bucks they are metal and made by fel pro. deff. use anti seize.
good luck
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