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Feb 8, 2007 | 09:35 AM

NC98Z

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Bearings

I have driven the pure hell out of every Chevlolet I ever owned. Big blocks, Small blocks,305s,350s,402s,427s and I have never had one spin a bearing on me. Now in the last 6 months I have had two different engines the last being a brand new LS6 Vette crate motor spin a bearing. Whats up with these bitchs? If I have to put another short block in would I be better off to get a iron block 408? This **** is getting very old very quick.

Feb 8, 2007 | 10:17 AM

BLKWS.6

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What level oil (how many qts?) do you run in them and what brand/weight?

Feb 8, 2007 | 10:45 AM

Z'mnypit

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Yeah something isnt right. Are you assembling the motors? What kind of oil presure do you normally have?

Feb 8, 2007 | 11:37 AM

CraZee ZO6

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bearings are not a common problem as far as I know with these lsx motors.

Feb 8, 2007 | 11:38 AM

brad8266

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If you are revving very high with stock rod bolts that could be part of your problem.

Feb 8, 2007 | 01:08 PM

NC98Z

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Both motors were built by Chevrolet.Oil pressure was running between 60 and 80 psi. I have been running Valvoline 5w-30. I always have filled until the dip stick was right. The crate motor only had 3500 miles on it when she let go. And my shift point are set a 6300. All na no turbo, no snails no NOS. At least I got a warranty with it. Go figure.

Last edited by NC98Z; Feb 8, 2007 at 01:12 PM. Reason: addition