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Old 09-01-2025, 08:44 AM
mgarblik mgarblik is offline
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Join Date: Mar 2005
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Quote:
Originally Posted by scott70 View Post
The 3.27 first gear with a 3.08 rear sounds like a good combo but yes not what he’s asking about. If someone can afford it though the tkx would be my choice. What are you going to spend on a nice m20?
I can give you a couple price points from the last 2-3 years. I have built 4 Muncies for friends/customers. Swap meet wide ratio boxes in usable condition seem to run $700.00-$1000.00. That doesn't mean they are good necessarily. Just usable. Of the 4 brought to me for overhauls, 2 were able to be rebuilt with small parts kits, 1 or 2 synchronizers replaced and 1 or 2 gears replaced. New brass of course and gaskets. Parts average cost around $400.00-500.00. One just needed a small parts kit, brass, speedo output gear and gaskets. About $200.00 for parts. The last one was an M22 from a big block Chevelle. Almost every piece in it was destroyed. Only parts I could reuse were the case, side cover, and main shaft. Even the tail housing and bearing support needed some welding and repair! He wanted to keep it numbers matching so I fixed it. Had $1700.00 in parts. New gear set was made in Taiwan and was very nice I am happy to report. I generally charge around $500.00 labor for a basic complete overhaul of a Muncie. Not including welding and other strange problems that sometimes come up.
So if you have a Muncie that is all torn up, a TKX does enter the conversation IMO.

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