10 Bolt Rear

Old 09-12-2010, 06:43 PM
  #1  
sfranks56
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Default 10 Bolt Rear

I have a 1968 Le Mans with a ten bolt rear with 2.93 gears. Can a posi unit with higher numerical gears, say 3.42 or 3.55 be installed in this housing?
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Old 09-12-2010, 07:04 PM
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zipper06
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Housing yes, but not sure you may have to use a spacer plate for the taller gear with your present posi unit. Some people make thicker gears for the low ratio posi units. Do a google search for the gears with your present posi unit.

JMO

Zip.
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Old 09-12-2010, 07:36 PM
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signsbyesa
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if the 10bolt has ears on the bottom, its rebuildable, if not, its not
recommended for strength or abuse, good luck bud :wink:
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Old 09-12-2010, 07:50 PM
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fla1976
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Here are a few.

http://www.markwilliams.com/gm10bolt...CategoryID=183

http://www.chevyhiperformance.com/te...all/index.html

http://roadtrip.yearone.com/2010/04/...nd-how-to.html

http://www.drivetrain.com/parts_cata...d_pinions.html
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Old 09-23-2010, 03:32 AM
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chevyfireball
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I'd be shoving a 12 bolt or 9" under there.
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Old 09-23-2010, 04:07 AM
  #6  
traysvega
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I had an 8.2 in my 68 lemans and installed a 4.56 with a spacer,but it didnt last long.Eventually found a 12 bolt out of a chevelle that fit the bill.
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Old 09-23-2010, 09:18 AM
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JEFF69Z28
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I have a 8.5 10 bolt in my monte carlo with moser internals so far so good and the car runs 10.20's.Some one said they were good up to about 650 hp.
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Old 09-24-2010, 11:38 PM
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Old 09-27-2010, 12:25 PM
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Old 09-28-2010, 08:57 AM
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