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So after I toasted the T10, I bit the bullet and ordered a TKO500 5sp from Modern Driveline. Gorgeous piece of machinery! I got it "in" this weekend... sort of. Checked the bellhousing runout and flatness, all within spec. TKO went in fine and up snug against the housing without forcing. But its not in the center of the tunnel: notice the shifter in the cutout: ...which is causing it to hit the tunnel on one side before getting fully up into position. This has to be a problem with the motor mounts/frame, right? There is nothing else I can think of to adjust. I loosened up the mounts (stock) but they won't let the powertrain rotate. The T10 didn't have any problems, but it is quite a bit smaller than the TKO so I may just not have noticed. I am suspecting it is something to do with the shock towers; can't remember if the body shop replaced one of them or not. I would bet a small error there will move the tail end of the trans quite a bit. Solutions? Only thing I can think of is some adjustable motor mounts like Ron Morris: http://www.ronmorrisperformance.com/miva/merchant.mvc?Screen=PROD&Store_Code=rmp&Product_Code=6110 to allow the engine to move forward/back on each side and rotate a bit. I also have a slight (1deg) tilt from side to side. Might be able to solve that with some shimming. Anyone ever change a motor mount WITHOUT removing the engine? I am almost done with this build and it seems like I am removing more stuff than I am installing... And what pinion angle from level are you seeing at the back of the trans? Even when I get this in the center, I am not sure it will go all the way up to the stock height at the trans mount. Thanks.