Quote:
Originally Posted by ScottyS
I seriously wonder how well the L trannies that Van and I are running compare to all these broken WRX trannies.
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It all depends on whether or not you're powershifting into 2nd and 3rd... An L gear box should last just fine in a 200whp car, as long as you're always easing into the power. But if you're sidestepping the clutch, or romping on it and powering shifting, you're going to shock the gears and break something pretty quickly.
The WRX tranny isn't all that much stronger than the L tranny IMO. It's not 'till you get into the 6MT that you've got a gearbox with the primary issue fixed that's wrong with the other boxes: the case design. The 6MT uses a cylindrically split case, while the WRX/L uses a longitudinally split case which is significantly less stiff, allowing flex of the gear shafts. The only way to make a 5MT strong is to use retard strength gears that can resist the misalignment they get when the case flexes.