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The part numbers for the FXT gears and the '03-'04 WRX gears are identical, so its fair to assume that with the exception of the diff ratio, the FXT and '03-'04 WRX trannies are identical. The FXT can handle more power because the 4.444 final drive reduces the stresses on the gears by 13%. If someone doesn't mind the higher rpms associated with using the FXT tranny, then that's a good choice too.
The '05 Legacy GT gear ratios are identical to the STi non-RA gear ratios, so its a fair bet that the gears in that car are STi non-RA. Those gears are probably about as strong as the '03-'04 WRX gears. And again, the '05 Legacy GT has a 4.11 diff ratio which will reduce the load on the gears by about 5%. This tranny would be a good choice too if you could find one.
I've heard some discussion about the '05 Legacy GT case being stronger, but I haven't seen any proof yet. Someone mentioned that Subaru was using a girdle, but I've got a '05 Legacy GT brochure that has a full page picture of the '05 Legacy driveline, and there's no girdle on the tranny. Maybe Subaru didn't put it in the picture. Maybe its just a rumor.
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Mychailo
:: 2006 Silver Mitsubishi Evolution 9, E85, 34 psi peak, 425wtq/505whp DJ ::
1995 Laguna Blue SVX L AWD 5MT (sold)
Visit my locker
SVX Mods: ND iridium spark plugs, Impreza RS fpr, afr tuned to 13.2:1 using a custom MAF bypass, custom exhaust, WRX 5MT w/ STi RA 1st-4th gear & stock WRX 5th gear, Exedy 13 lb flywheel & Sport Clutch, STi Group N tranny & engine mounts, urethane spacers in rear subframe, rear diff mounts, and pitch stopper, SVX Sport Strut Springs (185f/150r), custom 19 mm rear swaybar, urethane swaybar mounts, Rota Torque 17x8", 225/45-17 Proxes 4 tires, Axxis Deluxe Plus organic brake pads.
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