Generation III Internal Engine 1997-2006 LS1 | LS6

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Mar 31, 2014 | 07:52 PM

#1

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From: GA

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o-ring

I am installing a oil pump on a new shortblock. I have always been told a blue o-ring goes with the corvette/Ls1.
The issue is it is a melling oil pump that comes with a green (thick) and black.
Which do I need?
Thanks

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Mar 31, 2014 | 08:04 PM

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From: Spring, Texas

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https://ls1tech.com/forums/generatio...-question.html
https://ls1tech.com/forums/generatio...ck-o-ring.html
https://ls1tech.com/forums/generatio...mp-o-ring.html

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Apr 1, 2014 | 06:58 AM

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Thanks; I had read a couple of those when I searched, but it seems like there is still mass confusion on the oring
My builder said blue, and I got the pump from him, but like I said, there is no blue.
I wonder if the Vette uses a different (blue) than F-body?

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Apr 1, 2014 | 09:28 AM

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Just ordered a blue one from the chevy dealer.

Not taking a chance

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Apr 1, 2014 | 09:30 AM

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From: Back in the Burg

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My LS1 F-body came from the factory with the blue O ring in it. I'm also running the blue O ring on my TSP ported LS6 pump.

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