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Stock Manifold Bolts

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Old 05-07-2008, 10:02 AM
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Default Stock Manifold Bolts

Hi all,
I'm looking for the stock replacement bolts that connect the manifolds to cats and cats to y-pipe. This is for an LS1. Any idea where i could find these online? Also, some of the old bolts are rusted tight, any ideas on how to loosen them? I was looking into PB Blaster. Thanks in advance.

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Old 05-07-2008, 10:58 AM
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Hit them with some PB blaster a day or so before you plan on working on it. And plan on a couple of them just breaking when you go to loosen them! Not sure where to get them online.
Old 05-07-2008, 11:07 AM
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Originally Posted by BMC5150
Hi all,
I'm looking for the stock replacement bolts that connect the manifolds to cats and cats to y-pipe. Any idea where i could find these online? Also, some of the old bolts are rusted tight, any ideas on how to loosen them? I was looking into PB Blaster. Thanks in advance.
what kind of car do you have LS1 LT1 i have some bolts for a LT1 i used pb blaster on all my bolts and let it soak overnight and i didnt break any of them when removing my stock exhaust.
Old 05-07-2008, 01:20 PM
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x2 on PB Blaster, I hit mine about 2 days before removal and again day before removal. None broke- this was with around 150k on them.
Old 05-07-2008, 01:46 PM
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Mine broke instantly without the use of PB Blaster. Definately spray them with some lube.
Old 05-07-2008, 08:20 PM
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Fastenal has whatever you want as far as bolts if you have one local . They have grade 8 or higher and whater type of head you want to use .




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