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Old 03-15-2013, 11:55 AM   #30
Slow-V6
 
Join Date: Aug 2005
Location: Blackwood, NJ
Posts: 2,295
iTrader: (10)
I am in agreement with everyone else. The Rear should be quiet after its been rebuilt. After launching on it with a sticky tire then I can see it starting to get noisy but to be as noisy as it was before the rebuild then something is very wrong. Granted I had only 10 bolts but have had a 3.23, 3.42, 3,73, and 4.10 rears and they were all quiet. Some would start to howl @ 70 but only after a couple 1000 miles on them and some N20 runs @ the track. Still it was very tollorable and if I didnt point it out to someone you could not really hear it over the exhaust. What you have described Mike sounds like when my Axle bearing went out at the track and I had to drive the 80 miles back home to Va Beach. That was a very loud howling from 50mph on and would go away when I let off the gas.

My 4.10's were Richmond gears, and the 3.42's and 3.73's were Motive. My 3.73's made the most noise out of all, and the 4.10's were the quietest.

Does your 12 bolt have a T/A cover? If so could those bolts be pushing on the carrier caps to hard causing the whine?
__________________
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
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