ok so first off this is for my truck a 93 yukon. i need a rear end and without taking the cover off how can you first tell if the rear has posi and secondly what tests can you do to check if it works?
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how to tell if posi is good
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Post Whore
- November 8th, 2009
- 3000
- Tyler Porter
- 85 Z28, 91 Trans am
- Clinton Township Michigan
- student
- Send PM
how to tell if posi is good
91 Trans am, 305, Lt1 cam, 24lb injectors, headers, SLP LM2, SW chassis, massive panhard, lowered, modded TPI, Tuned, 4.10s, Lincoln locked
85 Z28 406/th400?/3.42 4th gen disc rear/4th gen dash
00 Tahoe Z71........Stock
97 K1500 lt4 cam, 1.6s, MPFI, Solid axled, IROKs,------winter beater -
Post Whore
- November 8th, 2009
- 3000
- Tyler Porter
- 85 Z28, 91 Trans am
- Clinton Township Michigan
- student
- Send PM
Ok. In a non running vehicle without looming at too.codes because those are.gone. So without driving. What jacking.up method can i use? If both wheels spin the opposite direction thatd mean it has gov loc right?91 Trans am, 305, Lt1 cam, 24lb injectors, headers, SLP LM2, SW chassis, massive panhard, lowered, modded TPI, Tuned, 4.10s, Lincoln locked
85 Z28 406/th400?/3.42 4th gen disc rear/4th gen dash
00 Tahoe Z71........Stock
97 K1500 lt4 cam, 1.6s, MPFI, Solid axled, IROKs,------winter beater
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Post Slut
- December 9th, 2011
- 5919
- Michael H
- 1989 Iroc-Z Convertible/1998 Z28
- Lowell, MI
- Meat Processor
- Send PM
spin one side fast enough and you might be able to get the flyweights to spin out and catch the pawl, needs to be at least 100 rpm difference
1998 Camaro Z28 - Bright Red, 6.0 TR224, 4l60e, 3.42 Eaton TrueTrac
1989 Camaro IROC-Z Convertible - 355 big tube TPI, WC T5, 3.42 Zexel Torsen, CTS-V/C4 brakes
1955 Bel Air 2 Door Post - 357 TPI, Muncie M20, 4 wheel disc
2006 Saab 9-7x 5.3i Daily Driver
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Post Slut
- December 9th, 2011
- 5919
- Michael H
- 1989 Iroc-Z Convertible/1998 Z28
- Lowell, MI
- Meat Processor
- Send PM
The 14 bolt version (10.5") is much better than the 10 bolt (7.5/7.625")
But yes, they aren't the greatest
Those rears did come with open carriers as well, just open it up and find out.

1998 Camaro Z28 - Bright Red, 6.0 TR224, 4l60e, 3.42 Eaton TrueTrac
1989 Camaro IROC-Z Convertible - 355 big tube TPI, WC T5, 3.42 Zexel Torsen, CTS-V/C4 brakes
1955 Bel Air 2 Door Post - 357 TPI, Muncie M20, 4 wheel disc
2006 Saab 9-7x 5.3i Daily Driver
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Post Whore
- November 8th, 2009
- 3000
- Tyler Porter
- 85 Z28, 91 Trans am
- Clinton Township Michigan
- student
- Send PM
i was looking at a 14 bolt semi float which is 9.5 or 9.25 idr which. i havent found a 10.5 with SRW at all. i know g80 was crap but better than an open dif and thats all im looking for for now.91 Trans am, 305, Lt1 cam, 24lb injectors, headers, SLP LM2, SW chassis, massive panhard, lowered, modded TPI, Tuned, 4.10s, Lincoln locked
85 Z28 406/th400?/3.42 4th gen disc rear/4th gen dash
00 Tahoe Z71........Stock
97 K1500 lt4 cam, 1.6s, MPFI, Solid axled, IROKs,------winter beater
Comment
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Post Whore
- November 8th, 2009
- 3000
- Tyler Porter
- 85 Z28, 91 Trans am
- Clinton Township Michigan
- student
- Send PM
thats for the front eventually91 Trans am, 305, Lt1 cam, 24lb injectors, headers, SLP LM2, SW chassis, massive panhard, lowered, modded TPI, Tuned, 4.10s, Lincoln locked
85 Z28 406/th400?/3.42 4th gen disc rear/4th gen dash
00 Tahoe Z71........Stock
97 K1500 lt4 cam, 1.6s, MPFI, Solid axled, IROKs,------winter beater
Comment
-
Post Whore
- November 8th, 2009
- 3000
- Tyler Porter
- 85 Z28, 91 Trans am
- Clinton Township Michigan
- student
- Send PM
i dont have a welder to weld perches on91 Trans am, 305, Lt1 cam, 24lb injectors, headers, SLP LM2, SW chassis, massive panhard, lowered, modded TPI, Tuned, 4.10s, Lincoln locked
85 Z28 406/th400?/3.42 4th gen disc rear/4th gen dash
00 Tahoe Z71........Stock
97 K1500 lt4 cam, 1.6s, MPFI, Solid axled, IROKs,------winter beater
Comment
-
Post Slut
- December 9th, 2011
- 5919
- Michael H
- 1989 Iroc-Z Convertible/1998 Z28
- Lowell, MI
- Meat Processor
- Send PM
Please don't weld critical suspension pieces with a 110.Originally posted by SOPES View PostHome depot has nice 110 volt welders for reasonable prices, They are a great investment

1998 Camaro Z28 - Bright Red, 6.0 TR224, 4l60e, 3.42 Eaton TrueTrac
1989 Camaro IROC-Z Convertible - 355 big tube TPI, WC T5, 3.42 Zexel Torsen, CTS-V/C4 brakes
1955 Bel Air 2 Door Post - 357 TPI, Muncie M20, 4 wheel disc
2006 Saab 9-7x 5.3i Daily Driver
Comment
-
Post Whore
- November 8th, 2009
- 3000
- Tyler Porter
- 85 Z28, 91 Trans am
- Clinton Township Michigan
- student
- Send PM
yea i have one of those and they are kinda poopy no offense, just not my cup of tea91 Trans am, 305, Lt1 cam, 24lb injectors, headers, SLP LM2, SW chassis, massive panhard, lowered, modded TPI, Tuned, 4.10s, Lincoln locked
85 Z28 406/th400?/3.42 4th gen disc rear/4th gen dash
00 Tahoe Z71........Stock
97 K1500 lt4 cam, 1.6s, MPFI, Solid axled, IROKs,------winter beater
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