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post #1 of 8 (permalink) Old 05-19-2010, 08:21 PM Thread Starter
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track lock switch

how hard is it to switch the diff inside the pumpkin to a track lock? can i just pull it bolt on the ring and slap it in? i know the pinion has to be shimmed and all that but thats already done. any one know?
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post #2 of 8 (permalink) Old 05-19-2010, 09:07 PM
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Yeah good question! I would assume its all has to come out but does it really?

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post #3 of 8 (permalink) Old 05-20-2010, 04:14 AM
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Anytime the diff is disassembled it should be re-setup, to ensure proper preload, back lash, and gear mesh.

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post #4 of 8 (permalink) Old 06-22-2010, 12:31 PM
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If you're only swapping the carrier (and staying with your current R&P ratio) then your pinion depth should need no adjustment, only backlash and it's highly recommended to measure the backlash of your R&P BEFORE you remove it so you can set it back to that measurement as closely as possible.

I've never done an 8.8, but if it's anything like Dana axles you will need to shim the carrier bearings to get the proper bearing preload (remember: used bearings are set a bit more on the loose side vs. new bearings) and backlash distance.

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post #5 of 8 (permalink) Old 06-22-2010, 11:54 PM
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Considering how easy it is to swap the whole pumpkin, why not just load up an open pumpkin and a trac-loc pumpkin and swap the whole thing?

Be easier once each is set up.

RwP
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post #6 of 8 (permalink) Old 06-23-2010, 02:12 AM
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Because getting a good pumpkin is like 700-800 bux with gears... you can get the parts for much cheaper especially getting a used trak loc carrier. But I don't have the ability or the tools to set it up... or the knowledge.. so I'd either have someone do it or buy one set up.

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post #7 of 8 (permalink) Old 06-23-2010, 06:29 AM
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Quote:
Originally Posted by FunktasticLucky View Post
Because getting a good pumpkin is like 700-800 bux with gears... you can get the parts for much cheaper especially getting a used trak loc carrier. But I don't have the ability or the tools to set it up... or the knowledge.. so I'd either have someone do it or buy one set up.
Huh.

$45 if I pull myself at the local U-Pull-It, and they've got a couple of 3.27 TLs there.

Besides, you'd have to reset it up every time just about, wouldn't you?

Not counting setup labor, I could do a pair of them (one TL one open) for that $700-800 with FRPP gears. Less if I got lucky and picked up one, or two, with the right gears already in them! (Yah, you're not looking for 3.27's. If I were getting them, I'd probably look for 3.27s to replace the factory 3.08 TL in Sweetie's car).

RwP
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post #8 of 8 (permalink) Old 06-24-2010, 10:30 PM Thread Starter
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i have an open with 3:73s now, i want a tl but i dont wanna pay another 125 to have them regear it so i was just gonna go buy a tl rear end and bolt the 3:73 ring on and drop it in on the 3:73 pinion. was just trying to save the 125 i dont have lol. but i guess its to involved and i might not have a choice.
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