Thanks to all.
It ended up being the speedometer cable loose onto the transmission.
Somehow got loose and started leaking.
tied it and replace fluid and we are great again....
If you know of someone selling a knock sensor for an 88 7mgte, please let me know.
Thanks again
Gus
This problem just started a couple of days ago.
On any day my Supra 88 Turbo has good power but for the last couple of days things have changed a little.
1. If I just start the car and drive for less than 5 miles. No problems.
2. If I drive more than that then it seems like the gears...
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