Posts: 41
From:Raritan NJ
Registered: Jul 2000

posted 09-26-2000 05:13 PM               

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without a tag or taking the pumkin off the rear how do I determine if a rear is a posi or not?

thanks
chip

IP: 63.106.87.150

Posts: 865
From:Sonoma,CA,USA
Registered: Mar 2000

posted 09-26-2000 05:35 PM               

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Chip,

Chock the front wheels, jack both rear tires off the ground, put thae tranny in neutral. Then rotate one tire by hand and if the other goes in the same direction it's a limited slip (posi). If the other tire turns in the opposite direction it's a"one legger" open differential.

SteveW

IP: 205.188.192.183

Posts: 7360
From:Saco, Maine USA '72 Mustang Sprint 351C '94 F-150 XL 5.8L and a '97 Probe GTS 2.5L DOHC
Registered: May 99

posted 09-26-2000 05:36 PM               

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Jack one side off the ground. If you can't turn the wheel, it's a limited slip. {posi is a GM term}

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SteveLaRiviere/Webmaster -- MCA # 47773
'72 Mustang Sprint 351C 4V/FMX/4.30 Trac-Lok
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
'97 Probe GTS 2.5L DOHC/CD4E

IP: 64.208.64.47

Posts: 865
From:Sonoma,CA,USA
Registered: Mar 2000

posted 09-26-2000 06:01 PM               

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SteveL,

That's easier, but it could be a worn out limited slip allowing one tire to turn.

SteveW

IP: 205.188.192.183

Posts: 4655
From:Lyons, IL, USA
Registered: May 99

posted 09-26-2000 06:04 PM               

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Actually FoMoCo always reffered to their locking differentials as Equa-locs, or Traction Locs. Only if you want to get technical (lol) Alex

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Alex Denysenko Co-Administrator and Moderator
Fleet of FoMoCo's too long to list!
http://superstockers.homestead.com/week.html

IP: 205.188.198.43

Posts: 165
From:Morgantown, WV
Registered: Jul 99

posted 09-27-2000 08:42 AM               

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Just do a burn out - two tracks = functioning limited slip. One track - open rear end or non functioning limited slip. Easier than jacking the car up and a lot more fun.

IP: 157.182.80.226

Posts: 7360
From:Saco, Maine USA '72 Mustang Sprint 351C '94 F-150 XL 5.8L and a '97 Probe GTS 2.5L DOHC
Registered: May 99

posted 09-28-2000 05:07 PM               

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quote:

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Originally posted by John Z:
Just do a burn out - two tracks = functioning limited slip. One track - open rear end or non functioning limited slip. Easier than jacking the car up and a lot more fun.

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Unless you have to buy it and install it on your car to do it...

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SteveLaRiviere/Webmaster -- MCA # 47773

IP: 64.208.65.232