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[Z06] I'm getting a new LS7 apperently ...

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Old 10-06-2012, 08:06 PM
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JBauer47
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Default I'm getting a new LS7 apperently ...
Turns out my low idling oil pressure was due to a bad main bearing. The service writer said they " didn't like what they found" when they went into the engine. He didn't seem too knowledgable so I m going in to talk to the tech on Monday. He was the one who supposedly lobbied for me to have a new one put in. I wonder what he found. Do I care ? My new engine arrived Friday. Maybe this one has magic valves.


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Old 10-06-2012, 08:09 PM
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Gary '09 C6
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how many miles on the car ? year ?
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Old 10-06-2012, 09:21 PM
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Welcome to the New LS7 club. Mine had 30K miles and dropped a valve. Should be getting it back Monday, hopefully.
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Old 10-06-2012, 11:51 PM
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2008. No mods. 30,300 mies.
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Old 10-06-2012, 11:54 PM
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Gary '09 C6
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thx for the info, and glad the GM warranty is taking care of it...G-L !
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Old 10-08-2012, 06:35 AM
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What about the oil cooler, lines and sump?
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Old 10-08-2012, 08:27 AM
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Originally Posted by glenB
What about the oil cooler, lines and sump?
Chevrolet has TSB's outlining engine replacement, including replacing these items. The bigger question is to make sure the transmssion is topped off after install.
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Old 10-08-2012, 11:11 AM
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Originally Posted by KLLRVET
Chevrolet has TSB's outlining engine replacement, including replacing these items. The bigger question is to make sure the transmssion is topped off after install.
Do you have the TSB detailing this? I don't think the dealer is replacing my sump. I'd like to know the TSB# so I can have the dealer look it up.
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Old 10-08-2012, 04:47 PM
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Originally Posted by JBauer47
2008. No mods. 30,300 mies.
Any track time on left hand sweepers??

Glad to see GM stand behind yet another owner with a brand new motor


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Old 10-08-2012, 08:11 PM
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Originally Posted by Dirty Howie
Any track time on left hand sweepers??

Glad to see GM stand behind yet another owner with a brand new motor


DH

Does turn 1 at Sebring count?



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Old 10-08-2012, 08:48 PM
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Originally Posted by JBauer47
Does turn 1 at Sebring count?



MC
No, only about 100* turn, needs more than that.
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Old 10-08-2012, 09:49 PM
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Originally Posted by JBauer47
Turns out my low idling oil pressure was due to a bad main bearing. The service writer said they " didn't like what they found" when they went into the engine. He didn't seem too knowledgable so I m going in to talk to the tech on Monday. He was the one who supposedly lobbied for me to have a new one put in. I wonder what he found. Do I care ? My new engine arrived Friday. Maybe this one has magic valves.


MC
what was the oil pressure reading?
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Old 10-09-2012, 12:33 AM
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Originally Posted by Corvette6.0
what was the oil pressure reading?


13-19 at idle and max was 45.

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Old 10-09-2012, 01:57 AM
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Originally Posted by JBauer47
13-19 at idle and max was 45.

MC

I presume that was at normal 165-200* oil temp? I saw 17 at idle with 260* oil temp using M1 5-30 which is why I went to M1 0W-40 and had 255* idle at 24 PSI which I am satisfied with.
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Old 10-09-2012, 07:45 AM
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Originally Posted by AzDave47
I presume that was at normal 165-200* oil temp? I saw 17 at idle with 260* oil temp using M1 5-30 which is why I went to M1 0W-40 and had 255* idle at 24 PSI which I am satisfied with.

Oil temps were running 170s at that those pressures. I was running 5-30


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Old 10-09-2012, 09:59 AM
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Originally Posted by JBauer47
Oil temps were running 170s at that those pressures. I was running 5-30


MC
That was very low !!!


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Old 10-09-2012, 10:08 AM
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and yet the owners manual says no problem at idle until 7 PSI, great guidance from GM.
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Old 10-09-2012, 02:01 PM
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Just drove my 09 with a new motor home from the dealer. 185 degree oil temp, 22 PSI idle. Cold start idle was 64 psi @ 70 degree oil temp. and now I need a new battery...
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Old 10-09-2012, 03:57 PM
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Congrats on the new engine and good luck with it in the future.
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