Quote:
Originally Posted by focusedontheprize
I am not overly knowledgeable about the 6BT swaps and you mentioned the NV4500 was an earlier version, however I thought the NV4500s were the transmissions for the 6BTs?
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6BT didn't get the NV4500 until 1994. Before that they had the weaker Getrag.
The '92-'94 GM NV4500 version had a different input shaft that does not interchange with the later case and a different bellhousing to case bolt pattern. '95+ GM NV4500 versions would interchange and work with a 6BT 1994+ NV4500 version with a bellhousing and input shaft swap.