LT1-LT4 Modifications 1993-97 Gen II Small Block V8

What header gaskets are you guys running

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Old Jan 15, 2009 | 01:03 PM
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Default What header gaskets are you guys running

what header gaskets are you guys running with your long tubes? I got the GM gaskets but the leak like crazy. I was thinking going to Autozone getting some MR. Gaskets.
O ya I have Hooker LT

thanks for your time
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Old Jan 15, 2009 | 01:04 PM
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That's what I'm using. Cheap paper gaskets from Advance Auto
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Old Jan 15, 2009 | 01:05 PM
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I am running some copper gaskets that a buddy gave me, they work fine.
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Old Jan 15, 2009 | 01:09 PM
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Originally Posted by SpeedDensityZ
That's what I'm using. Cheap paper gaskets from Advance Auto
Did you just get the ones for a chevy 350 or did you tell them it was for a LT1
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Old Jan 15, 2009 | 01:11 PM
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Originally Posted by onephatZ28
Did you just get the ones for a chevy 350 or did you tell them it was for a LT1
They should be exactly the same. The only issue might be that the LT1 stock manifolds use the outside bolt hole (there is an inner one and an outter bolt hole on both ends of each cylinder head), while most LT's use the inner bolt hole. That is why you will see alot of aftermarket header gaskets having hooks on the end (for easy slip in) that will hook on either the inside or the outside bolt hole.
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Old Jan 15, 2009 | 01:18 PM
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thanks Bro.
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Old Jan 15, 2009 | 01:37 PM
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Originally Posted by ss.slp.ls1
I am running some copper gaskets that a buddy gave me, they work fine.
+2... and stay away from paper gaskets they are garbage
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Old Jan 15, 2009 | 01:59 PM
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Coppers that came with my Pace Setters.
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Old Jan 15, 2009 | 03:23 PM
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using the percy's, they seal up great even when i forgot to lock-tite the header bolts and the started to back out.
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Old Jan 15, 2009 | 03:48 PM
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Percy's dead-soft aluminum seal-4-good. work awesome!!!!!
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Old Jan 15, 2009 | 03:59 PM
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Originally Posted by TABBED 5.3
using the percy's, they seal up great even when i forgot to lock-tite the header bolts and the started to back out.
You thread lock your header bolts

But yeah, I've heard that Percey's are good.
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Old Jan 15, 2009 | 04:11 PM
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stage 8 locking bolts = no backing out
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Old Jan 15, 2009 | 04:11 PM
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I'm running Earls on my Trans Am and my Tahoe. No problems with either.
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Old Jan 15, 2009 | 04:38 PM
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I am using the Mr. Gasket Ultra Seal steel impregnated jobbies and they seem to work pretty good, no problems yet and I have gone through copper gaskets(junk), fel-pros(junk-for headers anyway), and don't even get me started on the pacesetters OR the BBK ones that they provide...JUNK
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Old Jan 15, 2009 | 05:10 PM
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I use the one's that Kooks sent me with my headers and never had a problem.
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Old Jan 15, 2009 | 06:14 PM
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Im not even running gaskets. The best thing you can put on them is some permatex red RTV. Ive had it on mine for 2 years and hasnt leaked yet. And you dont have to worry about bolts backing out with RTV. And im sure somebody up here is going to say that im a retard for not running gaskets, and telling you that its the best thing to run. But i promise you it will last alot longer, and seal alot better than any gasket out there.
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Old Jan 15, 2009 | 06:18 PM
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hhmmm so if i have a leak i should just be able to squirt some down the hole...
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Old Jan 15, 2009 | 06:38 PM
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Originally Posted by wht97ws6ta
Im not even running gaskets. The best thing you can put on them is some permatex red RTV. Ive had it on mine for 2 years and hasnt leaked yet. And you dont have to worry about bolts backing out with RTV. And im sure somebody up here is going to say that im a retard for not running gaskets, and telling you that its the best thing to run. But i promise you it will last alot longer, and seal alot better than any gasket out there.
Your a retard for not running gaskets

J/K
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Old Jan 15, 2009 | 07:17 PM
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^^^+1 hey he said it not me
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Old Jan 15, 2009 | 07:59 PM
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yea he is a retard and his mother don't love him
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