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So I recently installed an AEM series 2 EMS in my MKIV TT auto, and I've been having some weird shifting issues. Only current mods are the EMS, a wideband, and a catback. Because I know someone will ask, the transmission works fine with the factory ecu. When I place the car in manual...

Hey. So I've been going over my new mkiv, 98% of the car is pretty freaking clean. I came across a few things that made me pause, though...attached pictures. Can anyone tell me what these are? Assuming blue box is a piggyback for timing retard. The other one says electronic toll...

Hello all. I just picked up my 93 GZ last week. Heard this was the best Supra forum, decided to check it out. Car is bone stock, aside from a turbo timer and an ancient looking HKS ignition timing box. Still trying to decide on upgrade path, but I figure I'm going to stick with the...