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Old 12-09-2006, 12:54 AM   #1
chash360
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Join Date: Dec 2006
Location: Oregon
Posts: 14
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Default 90' engine in 87' w/ tranny issues.

I took my 1990 7MGTE and put it a an 1987 (replacing a 7MGTE that threw a rod), and used the 87' wiring harness, because all the engine side component plugs matched, not so on the chassis/computer side.

It runs great and smooth, but a little sluggish, especially off the line. I am wondering if there is a major difference in the transmissions or torque converters between 1987 and 1990? I do know the Tranny computer interface is different which is why I did not also put the 90' tranny in with the motor.

If there is a difference, can it be addressed with the proper torque converter or do I need to work installing the 1990 tranny and computer.
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