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  #76 (permalink)  
Old 01-19-2014, 01:23 PM
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Looks like it's centered pretty well between the heel and toe, but it's not deep enough. The depth was better in the pictures above.

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  #77 (permalink)  
Old 01-21-2014, 12:56 AM
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Everything has come to a standstill.
My PowerTrax, listed for a series 3 carrier will not physically go in
to my series 3 carrier.
Iīm stumped.
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  #78 (permalink)  
Old 01-21-2014, 07:02 AM
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Did you order it for the 7.5 or 7.6? There is a difference in the case between the two. Even though they both fit in the same housing they are different internally.
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  #79 (permalink)  
Old 01-21-2014, 09:04 AM
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My PowerTax fitted into my series 3 carrier, been there since 1996.
It is listed on Summit for a series 3 carrier.

PowerTrax part PWT-1932-LR

3 carrier.


And here it is snug in the 2 carrier.


Looks like Iīm screwed.
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  #80 (permalink)  
Old 01-21-2014, 09:29 AM
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2 or 3 series doesn't matter. Internally the 2 and 3 series are the same. The only difference is the location of the ring gear flange. Are you using 28 spline axles? Are both of your cases for the same axle splines?
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Old 01-21-2014, 09:41 AM
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Iīm using 26 spline axles, PowerTrax is for 26 splines too..

Description on RockAuto;
"USA STANDARD GEAR Part # USA20088 Standard Open Carrier Case; 3.23 Ratio & up; Matching Hole Size
Rear Diff; RWD; GM 7.5" & 7.6" Rear, '82-'92 - 26 Spline"
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Old 01-21-2014, 04:33 PM
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Are you sure both carriers are open dif. carriers?

Maybe the gids are telling you to get a better locker. I'm jaded, I gave up after 3 sets of Lockrites in a 8.5 truck application. Some guys have great luck, I got burned, badly. My application was short 27" tires with stock Vortec 350 power.

peace
Hog

Last edited by Hogg; 01-21-2014 at 04:44 PM.
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  #83 (permalink)  
Old 01-21-2014, 04:43 PM
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Powertrax numbers, last column is the LockRite part number, 2nd over is the No Slip traction system.

GM 7.200 26 OPEN IFS 1935-LR
GM 7.500 10 BOLT 26 OPEN 92-0775-2605 1930-LR
GM 7.625 10 BOLT 26 OPEN 92-0776-2605 1932-LR
GM 7.625 10 BOLT 28 OPEN 92-0776-2805 1931-LR
GM 8.200 10 BOLT 28 OPEN B.O.P. 92-0782-2801
GM 8.200 10 BOLT 28 OPEN 92-0782-2805 1940-LR
GM 8.500 10 BOLT 28 OPEN 92-0785-2805 1920-LR
GM 8.500 10 BOLT 30 OPEN 92-0785-3005 1921-LR
GM 8.600 10 BOLT 30 OPEN 92-0786-3005
GM 8.875 12 BOLT 30 OPEN 92-0788-3005 1910-LR
GM 9.200 14 BOLT 33 OPEN IFS 92-0792-3301 1950-LR
GM 9.500 14 BOLT 33 OPEN 92-0795-3305 1950-LR
GM 10.500 14 BOLT 30 OPEN 92-0705-3000 1955-LR


From here
http://www.powertrax.com/pdf/PowertraxCatalog.pdf

peace
Hog
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Old 01-21-2014, 04:47 PM
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Quote:
Originally Posted by malc View Post
Iīm using 26 spline axles, PowerTrax is for 26 splines too..

Description on RockAuto;
"USA STANDARD GEAR Part # USA20088 Standard Open Carrier Case; 3.23 Ratio & up; Matching Hole Size
Rear Diff; RWD; GM 7.5" & 7.6" Rear, '82-'92 - 26 Spline"
But the Lock Rite has different part numbers for all 3 apps,
26 spline 7.5"
26 spline 7.626"
28 spline 7.625"

3 differnt part numbers.

peace
Hog
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  #85 (permalink)  
Old 01-21-2014, 05:18 PM
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There are least 2 different open carrier cases for the 28 spline assemblies. The internal gears do not interchange between the two because the same problem you're having.
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  #86 (permalink)  
Old 01-22-2014, 12:50 AM
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Quote:
Originally Posted by lmsport View Post
There are least 2 different open carrier cases for the 28 spline assemblies. The internal gears do not interchange between the two because the same problem you're having.
Iīm using 26 spline.
I only search parts relative to 26 spline 7.5.
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  #87 (permalink)  
Old 01-22-2014, 07:43 AM
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You probably have a 7.5 and a 7.6 differential. The 7.5 and early 7.6 were both 26 spline. Your locker fits one but not the other. You might need to look around for another 3 series 26 spline differentail and find one that your locker fits.
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  #88 (permalink)  
Old 01-22-2014, 08:02 AM
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I just made a decision, costs money of course, Iīm going to reuse my 2 carrier and get a 3.42 ring and pinion from Summit to fit it.
There isīnt a 3.23 for the 2 carrier.

Not happy but thatīs the way the mud flops.
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  #89 (permalink)  
Old 01-22-2014, 08:30 AM
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Quote:
Originally Posted by malc View Post
Iīm using 26 spline.
I only search parts relative to 26 spline 7.5.
The 28 spline axles wont go in an original 26 spline GM case but the aftermarket cases are machined to accept both. Rockauto lists 3 different, 3 series cases for the 82-92 7.5.
I have had the exact same problem you are having.
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  #90 (permalink)  
Old 01-22-2014, 08:36 AM
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Quote:
Originally Posted by lmsport View Post
The 28 spline axles wont go in an original 26 spline GM case but the aftermarket cases are machined to accept both. Rockauto lists 3 different, 3 series cases for the 82-92 7.5.
I have had the exact same problem you are having.
Couldīnt you find what you need in a wrecking yard, thatīs where Iīd be if I lived in the States ?
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