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gsl posi on a gs conversion

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Old 08-03-05, 12:48 AM
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Talking gsl posi on a gs conversion

ok iam planning to buy a rear end for 200 dollars that came of a gsl first gen . will the posi track bolt up right away ? do i have to do any modifications? will the gs drive shaft bolt on directly to gsl rear end ? i want the extra power because i like to touge with my friend who has an sr20 det on his 240 .
Old 08-03-05, 05:50 AM
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Yes. You could just swap the pumpkin.
Old 08-03-05, 12:18 PM
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depends on the year of the gsl rear vs your rear (axles might be different). I am installing a 82 gsl rear in my 85, and have to swap the whole rear (and use the 85 driveshaft flange). I am still looking into the brake lines.
Old 08-03-05, 05:40 PM
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well the rear end comes with the pumpkin , axles , disc brakes and calipers. soo am i complete ? or do i have to buy anything else
Old 08-03-05, 05:56 PM
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might want to think about replacing bushings while you have it all tore up. if the years are the same it should be a strait swap.
Old 08-03-05, 05:58 PM
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Ahhhh, disks.
I think the proportioning valve may need to be changed, as well. (?)
Old 08-03-05, 06:00 PM
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You may want to consider the GSL rear caliper emergency brake cable assembly.

I am doing the swap to my '81-GS using an '83 GSL rear axle assembly and this is the final component to purchase before I implement. I am still cleaning / painting my stuff, atm. It's all ready; looking quite pretty, except I am considering new front calipers / turning front rotors, too, as I'll be bleeding brake lines, anyway. Git 'er done!
Old 08-03-05, 06:32 PM
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the good o' axel swap. i must've done it 4 times.

heres a check list for the swap to make it simple:

proportion valve
rear end
ebrake cables
brake line splitter valve to the rear

redline diff fluid + additive
brake fluid to bleed brakes

am i missing anything?
Old 08-03-05, 07:16 PM
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how often do u have to change the fluid for the posi rear end? is it alot of maintence
Old 08-03-05, 10:39 PM
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Am I wrong to assume that we can use the '81 -'82 brake pipe valve with the '83 GSL system, as well as use the '81-'82 proportion valve hardware? I've done alot of reading on this subject in alot of forum discussions, but have yet to do the actual swap, myself. I plan on getting good photos and do a write up as I do mine as a reference for others.
Old 08-04-05, 12:23 PM
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I'm interested also, as I have the complete 82 gsl rear axle assemble (with disk brake hardware) that I got from a junkyard. The e-brake cables are cut, so I am guessing i need new ones (or can I use the ones from my stock 85 drums). I did not know that a proportioning valve was necessary, but it makes sense. It looks like I need the new cables and proportioning valve, but what is the splitter that was discussed above?
Old 08-04-05, 12:54 PM
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is 200 dollars too much for the rear end with the disc or is dat a good price . and quotes on it
Old 08-04-05, 02:15 PM
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i paid $250 so $200 is good but i got screwed also...because the brake calipers are seized and they just cut the lower bar that mounts the rear end so im going to reuse mine i have now....
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