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Old 03-24-2014, 05:39 PM   #44
hotrod 80
mini truck racer
 
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Join Date: Aug 2006
Location: Baytown , texas
Posts: 3,010
Re: rear end decisions

Quote:
Originally Posted by low&slow View Post
I agree. Great info here.
What is your fastest pass so far without a posi unit ? were you planning on spraying it with an open diff ?[/QUOTE]

R/T: .078
60': 1.972
1/8: 8.443
MPH: 83.02
1/4: 13.053
MPH: 100.56

I'm not exactly sure what my rear end is. I can do a burnout and the passenger tire spins, but I can do another burnout in a different location and the driver side tire spins. I know it's not a posi though. I've had a posi.[/QUOTE]

Even with a Posi unit the axles typically break at the splines . On a factory 12 bolt that allows the axle and brake drum to be free . A posi and C-clip eleminators are the minimum i would suggest for your stock axle be it 12 bolt 8.875 or 10 bolt 8.5 .
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1949 5-window
1969 Camaro
1976 Chevy Luv yellow
1978 Chevy Luv Blue
1976 Chevy Luv Black
1979 Firebird Flooded in Harvey
1999 F350 Dually
2005 GMC Sierra 4.8 RCSB
2014 Explorer (wifes)

My build :http://67-72chevytrucks.com/vboard/s...d.php?t=399148

Build #2: http://67-72chevytrucks.com/vboard/s...d.php?t=653583
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