Quote:
Originally Posted by bigblockv6
I find it odd that GMC V6's with a manual transmission need a bell housing adapter! My 68 KM2500 has a bell housing ( part number 643191) bolts directly to the engine block and the illustration in my GMC parts book confirms it. In fact all my parts books for larger series show the same illustration including the larger bell housing part number 696559 or 696561. Over the years I've bought several GMC V6's ranging up to the 478 with bell housing and one that came with an adapter housing because it had an Allison automatic behind it.
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did I say manual trans. I believe that I said a/trans which is usually an abbreviated version standing for automatic transmission.
ron