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south bend ofe vibration

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Old 11-13-2008, 06:11 PM
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south bend ofe vibration
Last friday installed sbc ofe [trk is 2003 5spd qc 4x4] the truck at around 1500 or 1700 rpm sends a terrible vibration through truck. Does this sound normal? Does tranny have a bad bearing? does not do this just reving up motor truck has to be moving. vib is horrible what to do?
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Old 11-13-2008, 06:19 PM
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You sure a u-joint isn't the culprit?
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Old 11-13-2008, 06:30 PM
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They felt tight but ill try almost 90k on her.
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Old 11-13-2008, 06:33 PM
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When my u-joints went out they felt tight also.Had to drop the drive shaft and make sure they all moved freely.One didn't.It was partially siezed.Changed them all with Spicers.
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Old 11-13-2008, 06:36 PM
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what oil to install in trans
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Old 11-13-2008, 06:36 PM
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Also did you have to upgrade to a 6 speed flywheel?If so were the bolts torqued properly?Just thinking of alternatives.
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Old 11-13-2008, 06:40 PM
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yes 6spd flywheel i think i bought the 13inch conversion/ yes torgued correctly p plate too does assembly need to be balanced
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Old 11-13-2008, 06:40 PM
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Originally Posted by tennessee
what oil to install in trans
Pennzoil syncromesh in the tranny. I would have to go with Jason on this. Sounds like a U-joint. On the flywheel bolts, did you use threadlocker?
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Old 11-13-2008, 06:48 PM
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Originally Posted by lmills
Pennzoil syncromesh in the tranny. I would have to go with Jason on this. Sounds like a U-joint. On the flywheel bolts, did you use threadlocker?
Are you certain on the syncromesh?I thought the nv4500's ran a heavier oil like Castrol Syntorq GL-4.
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Old 11-13-2008, 06:57 PM
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Oh my, you are right, I got your sig mixed with his. Sorry bout that. I thought he had a 5600. Glad you caught that Jason!
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Old 11-13-2008, 07:00 PM
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Not often one catches the wise Lloyd Mills in a slip up.I'll let you slide this time but don't let it happen again!LOL
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Old 11-13-2008, 07:12 PM
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did not use threadlocker on flywheel was that bad? didn't have any..
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Old 11-13-2008, 07:15 PM
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lmills lookin at nozzles next, tried calling you or someone at mid atlantic got answering machine left message no call back yet i'll try again.
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Old 11-13-2008, 07:21 PM
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I apologize for not getting back. When did you call in? I did have one call that I did not get back to, I think it was from yesterday???
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Old 11-13-2008, 10:05 PM
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no problem i'll call tomorrow.[sorry took so long to get back had to run the little 1 to the hospital just got back]
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