About
About Me
- Name: David West
- Location: Pewaukee, Wisconsin, United States
Owner and proprietor of Davids4Speeds LLC. Known on eBay as Detail4spd, selling rebuilt transmissions and auto parts collected over a lifetime of playing with muscle cars. Looking for a specific problem or tip? Be sure to click on each month’s archives to take a cruise through my previous posts. I’ve covered a lot of ground in this blog!
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Hi Dave, I have a 4/speed Saginaw # GM/3831707 #392566 #GG039493 Tailshaft#3857584 Which I traded years ago for a 350 trans. at the time I was tiol that 2nd or 3rd gear was bad never needed it now I am trading it for a interior for my 38 ply I do not want to give this to the fella in bad working order can you help me out by fixing this trans. and approx. cost of doing this I am aware you need look at it so as to estimate it. Thank you beyettedennis@gdinet.com
I have a 4 speed muncie transmission gm-3831707
#3925660 tail piece 3857584GM other # on the case are P86502 and 8N402650. can you tell me if I have a
M20, M21, or M22. I need to get some parts for it.
please let me know. Thank You David
Thanks for calling me right after you sent this.
I’m always happy to help a customer identify their tranny so we can get you the correct setup for your application.
In your case, I had a few questions and we were quickly able to figure out a couple options for you to consider.