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I need part numbers for ls6 coolant crossover. Please help!

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Old Mar 13, 2009 | 11:18 AM
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Default I need part numbers for ls6 coolant crossover. Please help!
Hey,

I need the part numbers for ls6 style coolant crossover tube, and collant plugs for the rear of the heads. The dealer cant find them for me, any help would be great!
Thanks
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Old Mar 13, 2009 | 12:04 PM
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i just ordered these, they are ls2, ls7 stuff but basically the same,
front pipe assembly, 12602548
rear hole covers, 12602540 you will need 2 of these
mine came with the little o-rings already on em, but if the parts dont you may need to order the o-rings, 12602541
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Old Mar 13, 2009 | 12:35 PM
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you will stil need the gaskets as those o rings are not good enough and do not seal very well. plus the stock ones have the o ring PLUS the gasket.
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Old Mar 14, 2009 | 05:29 PM
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Just shave the webbing off the bottum of the ls6 manifold, ls1 coolant crossovers fit underneath and distribute the coolant better to hotter areas.
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Old Mar 14, 2009 | 06:23 PM
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texas speed has them, check it out..
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Old Mar 15, 2009 | 07:20 AM
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Will the bolts from the Stock coolant pipe work with the LS6 stuff or do you need new bolts too?
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Old Mar 15, 2009 | 08:22 AM
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Stock bolts will work.
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Old Mar 17, 2009 | 03:30 AM
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just installed an ls6 intake on my 99z an i just ground off the webbing on the bottom of the mani. it all went back together fine for me with no problems, hell i didnt even grind off all the webbing just in the area that the coolant tube was running.
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Old Jan 19, 2012 | 10:24 PM
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Originally Posted by c5formula
just installed an ls6 intake on my 99z an i just ground off the webbing on the bottom of the mani. it all went back together fine for me with no problems, hell i didnt even grind off all the webbing just in the area that the coolant tube was running.
How is grinding off the webbing on your ls6 intake working for? Any problems with those pipes since... Also what did you use to grind it off?
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Old Jan 19, 2012 | 10:52 PM
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Originally Posted by ldurham
How is grinding off the webbing on your ls6 intake working for? Any problems with those pipes since... Also what did you use to grind it off?
Most people use a dremel or even a chisel.
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Old Jan 20, 2012 | 06:29 AM
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Just did mine like 2 weeks ago as well. So much easier to grind off the fins and leave the stock coolent lines alone.
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Old Jan 22, 2012 | 07:22 PM
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these casting fins just come right off.
needle nose pliers and 5 mins and the entire bottom of mine was smooth.
no need to mess with coolant lines or blockoffs
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Old Jan 22, 2012 | 07:29 PM
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Couple dollars for ls6 kit or taking a chisel to a 300 dollar composite manifold....hmmmmm...I'm goin to have to think bout that one...
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Old Jan 22, 2012 | 08:16 PM
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Yea I just looked at my old ls1 intakes underside and eyed where te coolant lines were and dremmeled out the fins on my ls6, bolted right up
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Old Jan 22, 2012 | 09:04 PM
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Originally Posted by ldurham
Yea I just looked at my old ls1 intakes underside and eyed where te coolant lines were and dremmeled out the fins on my ls6, bolted right up


Way to not be a *****. Good job.
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Old Jan 22, 2012 | 09:06 PM
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Originally Posted by wildcamaro
Couple dollars for ls6 kit or taking a chisel to a 300 dollar composite manifold....hmmmmm...I'm goin to have to think bout that one...
50 bucks for the coolant cross over pipes, or take 5 minutes and dremmel off the webbing...hmm im gunna have to think about that one
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Old Jan 22, 2012 | 09:36 PM
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Originally Posted by wildcamaro
Couple dollars for ls6 kit or taking a chisel to a 300 dollar composite manifold....hmmmmm...I'm goin to have to think bout that one...
I agree...save those couple dollars....and take that chisel to the 300$ manifold Don't be skaard..
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Old Jan 23, 2012 | 07:03 PM
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just use a torch, the webbing will melt down flat.


JK dont really do that
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