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Old 05-16-2011, 04:39 AM
ThickasaBrick ThickasaBrick is offline
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Join Date: Feb 2010
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Nice write-up and pics!

There are a lot of shady operators out there so I thought I would share my favorite trick on how to quickly tell if a "World Class" T5 really is "World Class".
On the non-WC T5's, the freeze plug looking thing on the front of the trans (it's actually a bearing retainer for the front bearing of the countershaft), is rounder looking on it's edge and says "Torrington" while the WC T5 has a flatter looking one the says "Timken". This is because (as Jason said) one of the improvements that made a World Class T5 "World Class" was the substitution of Timken roller bearings in place of the inferior Torrington needle bearings that the non-WC T5s used/use.

Something else to be aware of too: While I agree this is a great swap, folks should be aware that this particular T5's first gear ratio is only 3.35 (which is still the lowest ratio of all the WC T5s [highest numerically]), vs. the better than 4 to one first gear ratio of the M46. So if you are starting out with an M46 and you do this swap BEFORE you hop up your D24T your car may feel like it's a bit more sluggish off the line. But you will be able to hold onto first gear longer too though.
Regards, Eric
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