Re: Where to buy M21
Found this information in the April 2008 issue of Muscle Car Review magazine about Ron's Transmission in Garden Grove, California. Ron Worthen has 30 plus years of experience working on 4-speeds, including Muncies.
Spoke to Ron recently, he's still in business, as I had a question about rebuilding a Muncie in my current car. His phone number is 714 537 8028.
Another source is Dave's Vette Shop in Citrus Heights California. Spoke to Dave a couple of days ago, he rebuilds Muncies also.
His phone number is 916 722 3017.