I am tearing down a spare 4speed (so I am told) t-case. I think this is a 74 or 75 case. However, there are a few things that I am seeing in this that are puzzling.
How many differend front outputs were offered in the 4 speed t-case? This one has the same spline count on the front output as the one in the 65 case I salvaged the gears from (10 spline, IIRC). When I installed the SM420, my FJ40's t0case (stock 76 case) had a higher spline count than this one, but I searched the archives, and looked at Tien's fine spline, and I don't remember it being the same.
The input gear, high speed idler gear and high speed output gear are all thicker than teh '3 speed' gear. This is an observation. Does this confirm that I have a 74-75 (E-76?) t-case? Or do I have a 3 speed case?
Lastly, when I got my 65 case, I actually got the case, and 1.5 sets of gears. I got 2 different low speed output gears. One of these gears is a 1 piece gear, the other is a 2 piece gear that is riveted. The low speed gear in the case I just disassembed is ALSO a 2 piece riveted gear. The 1 piece gear seems to be somewhat beefier, other wise, it'd identical to the other gear 2 piece gear (I checked them with a pair of dial calipers). Is this the stock gear? Somethign aftermarket? OR something rather unusual? I assume that the 1 piece gear is the better gear to use...
Sorry for all the questions. Just trying to build as bulletproof of a t-case as I can given my limited budget...
How many differend front outputs were offered in the 4 speed t-case? This one has the same spline count on the front output as the one in the 65 case I salvaged the gears from (10 spline, IIRC). When I installed the SM420, my FJ40's t0case (stock 76 case) had a higher spline count than this one, but I searched the archives, and looked at Tien's fine spline, and I don't remember it being the same.
The input gear, high speed idler gear and high speed output gear are all thicker than teh '3 speed' gear. This is an observation. Does this confirm that I have a 74-75 (E-76?) t-case? Or do I have a 3 speed case?
Lastly, when I got my 65 case, I actually got the case, and 1.5 sets of gears. I got 2 different low speed output gears. One of these gears is a 1 piece gear, the other is a 2 piece gear that is riveted. The low speed gear in the case I just disassembed is ALSO a 2 piece riveted gear. The 1 piece gear seems to be somewhat beefier, other wise, it'd identical to the other gear 2 piece gear (I checked them with a pair of dial calipers). Is this the stock gear? Somethign aftermarket? OR something rather unusual? I assume that the 1 piece gear is the better gear to use...
Sorry for all the questions. Just trying to build as bulletproof of a t-case as I can given my limited budget...
