Bolts on exhaust manifold

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09-28-2007, 03:59 PM

96gtchinook

2nd Gear Member

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Bolts on exhaust manifold

does anyone know what size the nuts are? I've got alot of rust and keep coming close to rounding out the nut using 11/16 or 18mm

09-28-2007, 04:14 PM

H0SS302

6th Gear Member

Join Date: Oct 2006

Location: Texas

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RE: Bolts on exhaust manifold

spray some wd 40 on em to help loosen em up

09-28-2007, 04:17 PM

Derf00

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RE: Bolts on exhaust manifold

I normally use 17mm...

09-28-2007, 04:35 PM

Derf00

Gentleman's Relish

Join Date: Feb 2005

Location: AZ

Posts: 13,090

RE: Bolts on exhaust manifold

Quote:

ORIGINAL: 96gtchinook

does anyone know what size the nuts are? I've got alot of rust and keep coming close to rounding out the nut using 11/16 or 18mm

actually, are you talking about head to header bolts or the header to H-pipe bolts?
head to header is like 13mm, header to H-pipe is 17mm.

09-28-2007, 04:36 PM

96gtchinook

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RE: Bolts on exhaust manifold

header to h-pipe, and trust me i've soaked this thing with pb blaster a ton. Thanks for size guys

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