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Old Jul 31, 2009 | 03:02 PM
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what came in the cars with the LS6 block? my 98 has a newer crate, i ran the numbers and its a LS6 block with 241 heads. any knowledge on what came with it? i hear to change to a LS6 pump when you do a cam, but ive never seen below 40 psi, and iirc its around 50 while going down the highway. my motor has roughly 25k on it.
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Old Aug 19, 2009 | 10:54 PM
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ttt, still awaiting an answer. anyone know? basically if the gm crate ls1's (ls6 block, 241's) have a LS6 oil pump?
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Old Aug 19, 2009 | 11:21 PM
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Yeah, it's the better pump not like the ones in the 98-00 cars.

When I do my cam swap, I will be keeping the stock pump. Be prepared to have a rush of people coming in here to say something like "zOMG! CHANGe thAt to PORTed pump OR youR motAr will die!"
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Old Aug 19, 2009 | 11:27 PM
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lol! yeah thats what im thinking!

yeah, ive never seen less than 40 at idle, maybe 45. it doesnt seem like its worth changing.

someone at texas speed was telling me they were thinking its a ls6 pump
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Old Aug 19, 2009 | 11:36 PM
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Originally Posted by zacht
lol! yeah thats what im thinking!

yeah, ive never seen less than 40 at idle, maybe 45. it doesnt seem like its worth changing.

someone at texas speed was telling me they were thinking its a ls6 pump
I wouldn't worry about it, especially with that motor having low miles.
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Old Aug 19, 2009 | 11:39 PM
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yeah, for sure.

ok, another quick question then for ya!

during my cam swap when i have the timing chain cover off and the cam pulled. will i be able to get a view of the part number on my oil pump at all?
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Old Aug 19, 2009 | 11:39 PM
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Originally Posted by zacht
lol! yeah thats what im thinking!

yeah, ive never seen less than 40 at idle, maybe 45. it doesnt seem like its worth changing.

someone at texas speed was telling me they were thinking its a ls6 pump
I would say this the LS6 ported is a great pump to have. Especially if your going big cam yes I would do the pump. Remembering one thing a stock pump is for stock equipment and while your bottom end is stock nothing from the cam up is.

I have a melling ho +18% am running a 235/241 615/615 no issues.
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Old Aug 19, 2009 | 11:40 PM
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Originally Posted by zacht
yeah, for sure.

ok, another quick question then for ya!

during my cam swap when i have the timing chain cover off and the cam pulled. will i be able to get a view of the part number on my oil pump at all?

I just did a search on LS1Howto.com, and it appears the part number will be on the back of the pump.

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Old Aug 20, 2009 | 12:33 AM
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crappy. alright man. yeah maybe ill throw one in there. almost seems unneccesary beings i have such a new motor and run good oil pressure, but its probably cheap insurance.
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Old Aug 23, 2009 | 07:04 PM
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Originally Posted by zacht
crappy. alright man. yeah maybe ill throw one in there. almost seems unneccesary beings i have such a new motor and run good oil pressure, but its probably cheap insurance.
ya i would throw in a new pump just to be sure..... and dont forget the NEW O-ring, and make sure its not pinched! I learned from expreience!
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