For any of you transmission gurus - can a 420SEL trans from 86,87,88 be used in a 89,90,91 and if so, what needs to be done to facilitate the swap? Thanks!

- Darryl

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1991 420SEL

1982 Porsche 911SC Targa
1992 Porsche 968 Cabriolet
Lots 'o Ford Trucks and Vans

1985.5 Porsche 944 - SOLD