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Use supplied gaskets, bolts, extensions
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Received my pacesetters in today

Old 10-09-2006, 12:26 PM
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Default Received my pacesetters in today

Anyone used the gaskets, bolts, and extensions that came with them? Or should i buy the casper O2 extensions, aftermarket gaskets, and bolts. IF YES on aftermarket, what to buy and where? Thanks guys.
Old 10-09-2006, 02:36 PM
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i reused the stock exhaust manifold gaskets, and from what i have seen lots of others have too, the new ones are known to be junk. and reused the stock bolts.

on my car with pacesetters, i didnt have to use extensions at all
Old 10-09-2006, 02:41 PM
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I purchased new GM metal gaskets. Stage 8 locking header bolts and 02 extensions. Pacesetter gives you the wire to do the extension yourself if I remember correctly.
Whatever you do do not use teh pacesetter gaskets.
Old 10-09-2006, 03:09 PM
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use your stock metal GM gaskets
Old 10-09-2006, 03:09 PM
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i used the stock manifolds and they worked good, and i used the supplied wire to make my own extensions but only cuz i wanted to, i wouldnt recommend it unless you wanna spend an extra hour
Old 10-09-2006, 03:50 PM
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I bought percy's soft aluminum manifold gaskets, caspers extensions and ss band clamps. Just got done installing them this weekend. Had to bang the y pipe for more clearance along with the floorboard right above the header collector flange. both on the drivers side. passenger side was great from the get go. no sawing the k member or block tab. slid right into place.
Old 10-09-2006, 04:07 PM
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Originally Posted by Rokko
I bought percy's soft aluminum manifold gaskets, caspers extensions and ss band clamps. Just got done installing them this weekend. Had to bang the y pipe for more clearance along with the floorboard right above the header collector flange. both on the drivers side. passenger side was great from the get go. no sawing the k member or block tab. slid right into place.

What did you use for bolts?
Old 10-09-2006, 04:09 PM
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Originally Posted by onyx_rock
I purchased new GM metal gaskets. Stage 8 locking header bolts and 02 extensions. Pacesetter gives you the wire to do the extension yourself if I remember correctly.
Whatever you do do not use teh pacesetter gaskets.

Where did you get the stage 8 locking bolts and extentions?
Old 10-09-2006, 04:16 PM
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I'd get new stock GM gaskets, reuse old bolts. My bolts have been reused two times already. For the Mac's and now for the long tubes.
Old 10-09-2006, 04:37 PM
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Originally Posted by onyx_rock
Whatever you do do not use teh pacesetter gaskets.
why not use pacesetter gaskets? you put them on wrong?
Old 10-09-2006, 04:43 PM
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I would get aftermarket gaskets..I bought Percy's Carbon Gaskets.
Old 10-09-2006, 09:27 PM
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Originally Posted by LS1>girlfriend
why not use pacesetter gaskets? you put them on wrong?
The pacesetter gaskets are made of paper. Save yourself the trouble of having to replace them later, and just use your stock steel GM ones.
Old 10-09-2006, 09:32 PM
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after buying fel-pros for my header swap, i now agree you should get new stock GM ones. the paper pacesetters ones suck ***.
Old 10-10-2006, 01:45 AM
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I bought new stock GM gaskets and bolts through a dealer online. It ended up costing me $20. I then picked up a set of Bosch oxygen sensors at a local auto store for $130. They have a higher wattage heater which often solve front O2 insufficient switching errors that come from LT headers. They also have a longer harness which eliminates the need for extensions.

Exhaust manifold gasket - Part No. 12558573
Exhaust manifold bolts - Part No. 11515758
Bosch oxygen sensor - Part No. 13111
Old 10-10-2006, 02:18 AM
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Get the stock GM's. that is my only complaint about the pacesetters. The gaskets supplied are utter trash.
Old 10-10-2006, 09:24 AM
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New GM replacement gaskets.....I've heard of people reusing the old gaskets with no issue's though, but I like having peace of mind & put new one's on when I did my header install. I definately wouldn't use those crappy pacesetter gaskets though
Old 10-10-2006, 10:05 AM
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I used some aftermarket bassani gaskets.
Old 10-10-2006, 11:21 AM
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Originally Posted by fastlt1
Where did you get the stage 8 locking bolts and extentions?
Thunder racing.
Old 10-10-2006, 07:08 PM
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Originally Posted by onyx_rock
Thunder racing.
Did you get the 3/4 or 1 inch long ones? And how long extensions?

Last edited by fastlt1; 10-10-2006 at 08:26 PM.
Old 10-10-2006, 07:18 PM
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i used the pacesetter gaskets but they werent paper they were copper...i hear some kind of noise in my engine bay and im wondering if there not sealed good. Any experience with these copper ones? Maybe ill jsut buy different ones so i have an excuse to take off my headers so i can swap my plugs.

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