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Post by fastdadddy on Oct 29, 2007 19:47:44 GMT -5
i need some advice from people who have gone thru what i'm going thru , i have a 7.5 rearend and i put a new alburn slip in the rear with 456 gears i have broke this 2 times the last time it thru the teeth thru the plate. so im going to put a posi spool in it. i have found a 8.5 rear should i change this out over the winter. does any one have any better ideal's that would help me out .
thank u much
fastdadddy
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Post by flemster on Oct 30, 2007 6:35:57 GMT -5
I would make the switch. The 8.5 is as tough as a 12bolt.. I ran in the 7.40's with a posi track and 4.10 gears. Then switched that winter.. I think randy's car has run in the 6's with a stock 10 bolt...
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Post by Chris_Butcher on Oct 30, 2007 9:54:41 GMT -5
i would get rid of that 7.5 as quick as i could.
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troyreed
New Member
Waiting at the finish line!
Posts: 13
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Post by troyreed on Oct 30, 2007 15:26:52 GMT -5
I used to run 6.80's on a 10 bolt 4.56 ratio, 2900 lb. car and never had any issues. Also had an S.10 with a 4.34 ci sml blk that ran 6.30's at 3100 lbs. no problem there either, but sure was waiting for that time bomb to go, stock rearend with 4.10's. 7.5!
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Post by malibu2x33 on Oct 30, 2007 21:54:03 GMT -5
i agree, i would change it
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Post by fastdadddy on Oct 31, 2007 4:31:59 GMT -5
thank u all very much i will change this over the winter , once again thanks
fastdadddy
or is it fatdadddy
lol
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Post by 81malibu on Nov 10, 2007 12:21:36 GMT -5
7.5 10 bolts are just ticking time bombs. i'd put the 8.5 10 bolt in the car or there are alot of other options.
64-72 chevelle
67-69 camaro
62-67 Chevy II
70-81 Camaro
I'd do the 8.5 if the car rocks really bad some of thoese rear-ends are a little wider and might cut the tire if it does, but nothing an anti-roll bar wont fix.
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Post by darrenautomotive on Nov 10, 2007 13:30:36 GMT -5
If you dont want to break the ford 9 inch is the best alternative. if you are interested i have got a couple extra i havnt cut down for my top et car.
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Post by fastdadddy on Nov 14, 2007 16:01:38 GMT -5
once again guys thank's for all the info
fastdadddy in the malibu
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