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Topic Review (Newest First)
07-26-2012 11:50 AM
puddin head That goes in the shifter block. That is the only small spring in a WC T5. Go to this link and halfway down is a exploded view of a WC T5. http://www.tbtrans.com/t5_transmission.htm
07-25-2012 08:34 AM
S10xGN
Quote:
Originally Posted by AutoGear View Post
Russ;
The OEM part would be a 13-52-025-001. This has now been replaced with carbon lined kit TBKT11875 which are approx $50 each kit and you need 2 per gearbox (1st gear side and 2nd gear side). Tremec used a different lining which necessitated a cone angle change.
The spring is an anti rattle spring that was used under the 1/2 synchronizer clutch. It was deleted and is no longer necessary.

Do you have any ID marks on the mainshaft? Do you have 3 piece Sychro rings for 1st and 2nd? Do you have needle bearings under any mainshaft gears?
Tapered bearings on countershaft?

Snaprings come in the Small Parts Kits.
Did not notice any ID marks on the mainshaft, I did measure it and it's 24" long (there are several different lengths).

Yes on the 3 pc rings, needle bearings, and the tapered bearings.

Thanks on the snap rings!


Quote:
Originally Posted by mmerlinn View Post
The first one fits on the mainshaft on either the 1st or 2nd gear side of the synchro hub and is the cone for the world class synchro rings. There should be two of them, one for each side.
I'll have to go back and look, I didn't see any obvious place for that piece to fit and I only had one (unless I didn't disassemble it enough to find the other).

Russ
07-24-2012 10:16 AM
mmerlinn
Quote:
Originally Posted by S10xGN View Post
. In the process of "rough-sticking" all the internals back together for safe keeping, I found 2 pieces that I cannot place even with a manual (see pix). The 1st one, I'm stumped.
The first one fits on the mainshaft on either the 1st or 2nd gear side of the synchro hub and is the cone for the world class synchro rings. There should be two of them, one for each side.
07-24-2012 09:05 AM
AutoGear Russ;
The OEM part would be a 13-52-025-001. This has now been replaced with carbon lined kit TBKT11875 which are approx $50 each kit and you need 2 per gearbox (1st gear side and 2nd gear side). Tremec used a different lining which necessitated a cone angle change.
The spring is an anti rattle spring that was used under the 1/2 synchronizer clutch. It was deleted and is no longer necessary.

Do you have any ID marks on the mainshaft? Do you have 3 piece Sychro rings for 1st and 2nd? Do you have needle bearings under any mainshaft gears?
Tapered bearings on countershaft?

Snaprings come in the Small Parts Kits.
07-24-2012 08:38 AM
big gear head It's been a while, but I think it's from 5th or reverse.
07-24-2012 08:32 AM
S10xGN
Quote:
Originally Posted by big gear head View Post
The first piece is part of a syncronizer. It's the cone that the blocker ring seats against.
Yeah, but there's nothing that matches the internal splines (which seem to double spaced and with a different tooth shape)...

Russ
07-24-2012 08:25 AM
big gear head The first piece is part of a syncronizer. It's the cone that the blocker ring seats against.
07-24-2012 08:19 AM
S10xGN Hey Nate,

I finished disassembling this box yesterday in order to bead blast and paint the case. In the process of "rough-sticking" all the internals back together for safe keeping, I found 2 pieces that I cannot place even with a manual (see pix). The 1st one, I'm stumped. The 2nd, does this little spring maybe go behind the pin in the mainshaft? I'm also missing a snap ring, do those come with the rebuild kits?

Thanks!

Russ
07-23-2012 08:45 AM
S10xGN
Quote:
Originally Posted by AutoGear View Post
Okay; I'm back from vacation.
Russ; I don't have complete bills for every T5 anymore; however, a -908 is a very early casting. I found a -907 and a -909, and -904 which are all NON World Class.

I do not have one to be able to check your measurement. I would call GF/Astro and give them your casting number; it's almost certainly a NWC case, and I do not know if this is suitable for their gears.
With respect to the bellhousing; if you and the producer of the gearset feel its alright to use the case, then drilling and tapping to suit is not a problem.
Nate, this is definitely a WC box, regardless of the case casting number. I've got it apart and it has the caged needle bearings and Timken front cluster bearing...

Thanks!

Russ
07-23-2012 07:43 AM
AutoGear Okay; I'm back from vacation.
Russ; I don't have complete bills for every T5 anymore; however, a -908 is a very early casting. I found a -907 and a -909, and -904 which are all NON World Class.

I do not have one to be able to check your measurement. I would call GF/Astro and give them your casting number; it's almost certainly a NWC case, and I do not know if this is suitable for their gears.
With respect to the bellhousing; if you and the producer of the gearset feel its alright to use the case, then drilling and tapping to suit is not a problem.
07-20-2012 09:37 AM
S10xGN IIRC, the way the reverse gear sits in the case is the difference, also the tail case sometimes need minor grinding to clear aftermarket OD gear sets. I really need to call Astro or G-Force and get the official lowdown...

Russ
07-20-2012 09:20 AM
mmerlinn No, because lots of GM cases came with "Ford" gears.

One difference that comes to mind is that the later cases had a nubbin for a return spring to attach to.

IFIRC, some cases also had clearance problems for some gears, but easy to fix by grinding the case.
07-20-2012 06:09 AM
big gear head What are the differences? Would it be enough to prevent using Ford gears in a GM case?
07-20-2012 02:05 AM
mmerlinn
Quote:
Originally Posted by big gear head View Post
Aren't all of the T5 WC cases the same internally?
No. But mostly minor differences.
07-19-2012 09:43 AM
big gear head Aren't all of the T5 WC cases the same internally?
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