LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

what size bolt on stock y pipe??

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Old Jan 27, 2004 | 01:19 PM
  #1  
SiDeWaYZz28's Avatar
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From: (SHOWING U MY TAILIGHTS)FaiRFieLD CaLiFoRNiA
what size bolt on stock y pipe??

hey everybody what size bolt is on a stock y pipe?? the 3 ones on each flange,,,thanks
Old Jan 27, 2004 | 01:38 PM
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From: (SHOWING U MY TAILIGHTS)FaiRFieLD CaLiFoRNiA
come on somebody has to know...please help a brotha out
Old Jan 27, 2004 | 02:12 PM
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If you're talking about the diameter of the pipe, I'm pretty sure it's 2.5"
Old Jan 27, 2004 | 02:14 PM
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From: (SHOWING U MY TAILIGHTS)FaiRFieLD CaLiFoRNiA
the bolts that go into the flanges on the y pipe
Old Jan 27, 2004 | 02:37 PM
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If i remeber right they are the Metric equivlant to 3/8's. I'll double check when i got out to the shop . I'll let you know for sure tonite.

Chad
Old Jan 27, 2004 | 02:53 PM
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There is a stud and a nut, if you mean where the y-pipe connects to the exhaust manifold. The nut is M10x1.5, the studs are ~54mm long.
Old Jan 27, 2004 | 02:54 PM
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thanks alot
Old Jan 27, 2004 | 02:56 PM
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From: (SHOWING U MY TAILIGHTS)FaiRFieLD CaLiFoRNiA
i just need to figure out what socket to use . .
Old Jan 27, 2004 | 04:46 PM
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From: (SHOWING U MY TAILIGHTS)FaiRFieLD CaLiFoRNiA
anybody know what size socket to use?
Old Jan 27, 2004 | 04:57 PM
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Yep, shoebox is right again ....Call me stupid but If i remember right it is a standard size socket....i think 5/8...

Chad
Old Jan 27, 2004 | 06:07 PM
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From: (SHOWING U MY TAILIGHTS)FaiRFieLD CaLiFoRNiA
i tryed 5/8 its a little bit to big...i tryed a 15 mm it seems to fit but my socket is not deep enough....im gettin frustrated i need to get all that shiet off so i can get my long tubes on...
Old Jan 27, 2004 | 06:43 PM
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Socket size is 15mm and I suggest you use a deep 6 point socket only. Also spray it with some penetrant like PB Blaster, first. The studs are notorious for breaking and it's a big headache if they do.
Old Jan 27, 2004 | 09:05 PM
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From: (SHOWING U MY TAILIGHTS)FaiRFieLD CaLiFoRNiA
i used a deep 6 point 5/8 and it got those damm bolts off thanks guys...now im one step closer to getting in my jet hots thanks alot guys
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