Generation III Internal Engine 1997-2006 LS1 | LS6
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what oil pump?

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Old Jan 24, 2009 | 09:38 PM
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I am almost ready to do my H/C fast swap. I have the new rollmaster double chain, but I am hung up on which oil pump to buy. I have seen the ported one that texas speed sells, and my money is no stranger there, but I also see alot of guys running the melling pump, but there are different ones, a stock one, a high volume one, a high pressure one, and a high pressure & volume one, so which one should I purchase? Is a new stock one adequate?
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Old Jan 25, 2009 | 12:46 AM
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I vote for just a stock ls6 or ported ls6. Which I believe all the newer blocks already have the ls6. I've ran a Katech ported ls6 for a few years without issue. Plus I read about alot of guys having to grind the front cover and what have you. With the Mellings and dbl rollers.
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Old Jan 25, 2009 | 01:23 AM
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i just got a stock ls6 pump from texas-speed. upped my oil pressure a lot
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Old Jan 25, 2009 | 01:35 AM
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Stock LS6/LS2 pump here also.
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Old Jan 25, 2009 | 01:58 AM
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I like my ported katech, I get 50-60psi at warm idle with 0w-30. The gauge pegs at WOT. No issues so far, and way better than the LS1 pump that ran 25psi idle and maybe 50 WOT.
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Old Jan 25, 2009 | 05:26 AM
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I have a Melling HV in mine.

I would go with the ported LS6 for yours, lots of people run into clearance issues with aftermarket Pumps and Double Roller setups.
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Old Jan 25, 2009 | 08:58 AM
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i run the melling 295 standard replacement pump. oil pressure is about the same as before.
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Old Jan 25, 2009 | 09:04 AM
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I use the Melling 10295 standard volume high pressure
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Old Jan 25, 2009 | 09:37 AM
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edit: nevermind
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Old Jan 25, 2009 | 11:49 AM
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I used the TSP ported ls6 pump, gained about 15 psi.
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Old Jan 25, 2009 | 01:00 PM
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A ported and shimmed (.130) stock GM LS1/LS6 replacement pump.
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Old Jan 26, 2009 | 04:47 PM
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Melling #10296 period!
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Old Jan 26, 2009 | 05:16 PM
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^^^^^ thats what i was going to recommend the melling 10296 the 10295 i think i just a more reliable stock replacement but with a motor with some miles id def. recommend the 10296 is right volume and pressure the 10295 is just higher pressure
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Old Jan 26, 2009 | 05:29 PM
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+1 on the 10296!
Lovin IT!
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Old Jan 26, 2009 | 06:05 PM
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Originally Posted by witry
^^^^^ thats what i was going to recommend the melling 10296 the 10295 i think i just a more reliable stock replacement but with a motor with some miles id def. recommend the 10296 is right volume and pressure the 10295 is just higher pressure
from my searching i came up with M295=standard volume standard pressure 10295 higer pressure, 10296 high pressure high volume.
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