hi. Whats the easiest and cheapest way to turn my pathetic single wheel spinning 12 bolt into a streetable posi? thanx.......NIK
12 bolt to posi
nix69
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6,096 Posts
The easiest way is to put a Lock Right kit in it. You don't have to do any shimming or re-set the backlash for this one. A Eaton posi is very good, but you will have to shim it to set the backlash and bearing preload. DO NOT weld the differential gears or put a mini spool in it. These are very dangerous on the street. You will almost surely break something and crash and hurt someone.
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'69 RS/SS396 pro street
427/4spd/9"
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'69 RS/SS396 pro street
427/4spd/9"
Joined
·
567 Posts
Come on guys, eveyone should drive atleast one welded rear on the street! That way they know why NEVER to do it!
![Image]()
Just kidding, welding is dangerous and mini spools are pretty weak. All they power is transfered through a single pin.
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Mark
1992 Firebird 355/Six Speed (Soon to be LT1)
1991 RS 350 / 700-R4
1987 Toyota Pickup 383 / 500 + HP 10.963 @ 119.95 Slicks / 11.997 @ 114.23 Radials
"Speed KILLS, so drive a FORD and live forever!"
http://personal.lig.bellsouth.net/~racer383/
Just kidding, welding is dangerous and mini spools are pretty weak. All they power is transfered through a single pin.
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Mark
1992 Firebird 355/Six Speed (Soon to be LT1)
1991 RS 350 / 700-R4
1987 Toyota Pickup 383 / 500 + HP 10.963 @ 119.95 Slicks / 11.997 @ 114.23 Radials
"Speed KILLS, so drive a FORD and live forever!"
http://personal.lig.bellsouth.net/~racer383/
Had a friend that bought a 70 Merc. Grand Marquis with a big block, we welded the spiders in it, did burnouts for a couple months, then were driving around a corner one day, and the inside axle busted, sent us right into the wall. Best damn $200.00 he ever spent for a car, and for a joyride!
![Image]()
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Bing
1956 Chev 150 2dr sedan 302ci
1965 Chev Malibu 2dr hdtp 496ci
1967 Chev Camaro 327ci
Check 'em out at: http://www.members.home.net/mgbing/cremcars.html
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Bing
1956 Chev 150 2dr sedan 302ci
1965 Chev Malibu 2dr hdtp 496ci
1967 Chev Camaro 327ci
Check 'em out at: http://www.members.home.net/mgbing/cremcars.html
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