Advance Adapter
This adapter plate assembly is used to adapt a GM (Chevy / Buick) Engine to the Jeep / Scout T-90 3 speed manual transmission. The adapter plate is 2.685” in length and is manufactured from 356-T6 heat treated aluminum alloy. It features an integral index provision for alignment into the bellhousing. Included in the adapter plate kit you will receive an adapter plate, pilot bushing, seal, fastening hardware, and adapter instructions.
Compatible Engines
- Chevy/GM Small Block V8
- Chevy/GM 4.3L V6
- Buick 225 & 231 V6
Note: When replacing a 4 cylinder engine, a new T-90 input shaft must be purchased, P/N 716014. A new cluster gear PN716018 is needed only when replacing a 4 cylinder input shaft that has 16 teeth on the cluster side.
Note: The integral index on the adapter plate measures 4.686” in diameter and fits GM Bellhousing with the same dimension. If you have a GM Bellhousing with a 5.125” index hole, we offer an index hole reducer P/N 716078. The reducer is sold separately.
Transmission
The T-90 3 speed transmission has a case length of 8.00”. T-90 will be stamped on the case. This transmission was used in various models of Jeep from 1946-72 including military vehicles, Universal Jeeps, utility trucks and Scouts (1961-72). It was used in both 4 & 6 cylinder applications.
Bill Of Materials
712502A