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03-19-2012, 09:01 AM
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#1
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Join Date: Jul 2011
Posts: 478
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posi
So racing yesterday and my posi seems to be working and not working(one wheel burnout). Do these ss posi's not hold up? Is this a common symptom? 2002 SS SLP Camaro w/ exhaust and headers.
I'm really thinking the car doesn't even need a burnout with the MT DR tires. I 'm gonna try a simple dry hop next time.
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03-19-2012, 05:01 PM
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#2
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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The factory posi's are know to do that. If it happens more often, try filling the rear without the gm additive. If it still peg legs ... Upgrade
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2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
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03-20-2012, 01:43 PM
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#3
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Join Date: Dec 2004
Location: Galloway, NJ
Posts: 3,964
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When your doing a burnout, is your car moving sideways, or getting sideways? Your Torsen Diff may be disengaging from the lateral pressure, makign it a one wheel wonder, at least that's what i can only think of.
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1996 Camaro C/S - 2/3 Corvette Engine
Quote:
Originally Posted by BigAls87Z28
Uh yeah, after they surprized buttsecks us at Pearl Harbor?
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03-20-2012, 03:07 PM
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#4
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Join Date: Jul 2011
Posts: 478
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Car stays perfectly straight. Did a one wheelie twice on Sunday. Tried it on my parking lot at the shop and it was fine.
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03-22-2012, 08:51 AM
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#5
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Join Date: Jul 2011
Posts: 478
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I did put synthetic gear oil in and added a tube of additive. I wonder if that's the problem.
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03-27-2012, 04:00 PM
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#6
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Join Date: Aug 2005
Location: Blackwood, NJ
Posts: 2,295
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The problem is its a 10 bolt!!
__________________
Jeff
2002 WS6 T/A.. M6..Built 383 TMR tune..461rwhp,458rwtq
2009 G8 GT. Bone stock 13.6@103.. Vararam Intake, GXP Axlebacks, LS2 FRC's
1998 Corvette Convertible, Vararam Intake+Power Duct, Fast 90/90, Ti Axleback..12.8@110
2003 Cobra Convertible 10th Anniversary
http://www.fquick.com/slow-v6
Local car cruise schedule..
http://www.cliffscalendar.com/
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05-03-2012, 07:54 AM
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#7
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Join Date: Jul 2011
Posts: 478
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The problem was the synthetic and the posi lube. Many have told me not to use synthetic and the additive. Changed back to reg rear oil and all is well.
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05-03-2012, 08:26 AM
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#8
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Join Date: May 2010
Location: Brick, NJ
Posts: 1,868
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I was gonna say get that synthetic out of there. A buddy of mine has a 2000 SS 6 speed. He put Royal Purple in the rear, 3 weeks later it went boom. Shop said the use of synthetic caused the failure, but lied to the warrantee company so he wouldn't have to pay anything for a new rear 
__________________
Formerly known as blk95formula
86t/a_ram_air on TGO
2018 Silverado 1500
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05-03-2012, 08:53 AM
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#9
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Quote:
Originally Posted by greenformula92
I was gonna say get that synthetic out of there. A buddy of mine has a 2000 SS 6 speed. He put Royal Purple in the rear, 3 weeks later it went boom. Shop said the use of synthetic caused the failure, but lied to the warrantee company so he wouldn't have to pay anything for a new rear |
What? Synthetic gear lube caused the failure??
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05-03-2012, 09:03 AM
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#10
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Join Date: Jul 2011
Posts: 478
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Quote:
Originally Posted by WildBillyT
What? Synthetic gear lube caused the failure??
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No failure. I put Amsoil full synthettic rear lube and posi additive in. Right after i did that i had a one wheelie burnout sporatically. I talked to a few peeps and they all agreed that synthetic gear lube and a posi additive will cause slippage and to not do it. I put reg rear gear oil in and it it's fine.
A customer of mine just had his Dodge truck rear rebuilt and they told him to never use a posi lube in it?
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05-03-2012, 09:14 AM
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#11
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Quote:
Originally Posted by elle
No failure. I put Amsoil full synthettic rear lube and posi additive in. Right after i did that i had a one wheelie burnout sporatically. I talked to a few peeps and they all agreed that synthetic gear lube and a posi additive will cause slippage and to not do it. I put reg rear gear oil in and it it's fine.
A customer of mine just had his Dodge truck rear rebuilt and they told him to never use a posi lube in it?
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Sorry elle, I was referring to green's post where a shop said synthetic caused a failure.
In your case I have heard of that happening as well due to insufficient friction. Even talked to a guy at Randy's about it.
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05-03-2012, 02:06 PM
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#12
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Join Date: May 2010
Location: Brick, NJ
Posts: 1,868
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Quote:
Originally Posted by WildBillyT
What? Synthetic gear lube caused the failure??
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Yeah, as elle said it couses slippage in the posi unit, well it slipped and then got jambed up somehow or another. I'm just going off what the shop said, I did not see or wittness anything so who knows how true it is. What I can say is that the rear was fine before the switch to synthetic
__________________
Formerly known as blk95formula
86t/a_ram_air on TGO
2018 Silverado 1500
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