I recently bought an 06 Supra 21v. It’s got 1900 hours on it. I bought it very cheap with intentions of rebuilding the motor. Aside from the internal parts needed to build a 383 stroker, will the computer need to be reflashed for correct timing and fuel curves? It’s not a cat engine so I don’t think there are 02 sensors for feedback to adjust fueling. And then my next concern would be the transmission (replaced in 2015 already). Any input would be awesome. I have built a few small blocks in my life, but they were all carb motors not EFI.
thanks in advance!


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