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Topic Review (Newest First)
07-28-2012 08:06 AM
Psylosyfer
Have new pro built thm 400 w/ new 2000 Stall conv.

Quote:
Originally Posted by 400smb_s10 View Post
I have a Freshly rebuild Muncie 4 speed and I was wondering what It would be worth....

Sorry about the post in this forum but I wasnt sure where to put it

Thanks

Ed
I have a pro-built rated 600hp, th400, *******************************
Interested?
07-02-2012 06:16 PM
warren57 I know. About 10 years ago I bought a 71 Z-28 that ran into the back of another car at low speed and wrinkled a fender and broke the grill. It had about 60K miles and I bought the whole car for $1,000 and put the running gear in a 39 Ford coupe.
These things are way over rated and over priced these days.
I had a T-10 in a 56 years ago and it was fine. Very strong, I really believe just as good as a Muncie and you can still pick them up fairly cheap.
I guess the days of picking up old 4 speeds for $100-$150 are gone... along with $.32 gas and $.25 Cokes!!!!
I think I like the old days better....
07-02-2012 01:35 PM
327NUT Sorry to hijack...but in the old days the story was you could tell an M22 (w/o pulling the side cover) by the big drain plug on the right side. Then I heard that all over the counter 4 spd. cases had the drain plug.....which is true. By the way I was building a 355" sbc for my 240Z back in '79 and bought a REAL M22 from a guy for $50, he had wrecked his 70 1/2 Z-28 and was hurting for $$$$. I sold it the next week for $450....BIG money back then.
07-02-2012 11:55 AM
warren57
Muncie

I attached photo's

http://www.hotrodders.com/forum/atta...1&d=1341251521, although they are a little hard http://www.hotrodders.com/forum/atta...d=1341251694to see.

Hope this helps.
07-02-2012 08:50 AM
400smb_s10 where would i find the numbers on the tranny to find out what it would be?
06-29-2012 01:05 PM
AutoGear Aside from the ultra numbers-matching lunatic fringe; Id say 800 and up to probably 1200. If it was freshly rebuilt with a warranty; you could get 1800 depending on options

And NO 26 spline input/ 32 spline output is NOT an M22
the spline change from 10/27 was YEAR specific, not MODEL specific
06-29-2012 11:55 AM
lmsport M-20 M-21
1st 2.52 2.20
2nd 1.88 1.64
3rd 1.46 1.28
4th direct direct

Put trans in 1st and turn output 10 revs, count input revs to determine ratio.
06-29-2012 10:57 AM
AutoGear M21's are hard to sell unless its for a resto job. The M20 will work better with more highway friendly axles like 3.73s 3.42s and 3.31; and the M20 shares the same 1st, 2nd, 3rd gears and reverse geartrain. The difference is in the cluster and input (maindrive) of the 20/21.

The M22 does NOT have spur gears, however the only common gears it shares with the 20/21 family is the mainshaft reverse gear and the splined idler gear. All the other gears are M22 specific

Things buyers want to know:
Input Splines / Output Splines?
damage to case?
new wear parts?
7/8" or 1" countershaft?
Gear Ratios?
Whats it work best with?

If I had a non-numbers matching M21; I would rebuild it as an M20 because it fits a wider range of cars and its probably easier to sell
06-28-2012 07:48 PM
1971BB427 Not much difference between an M20 and M21 in price, but an M22 will be quite a bit higher.
06-28-2012 07:27 PM
warren57
Muncie

I just had an M-20 gone through. The original trans cost $500 (was supposed to be good!) After 3 new gears, slider and rebuild parts, it cost me $800.
So I have $1300 in mine. Not sure you could get by much cheaper. Most so called rebuilts are selling between $1000 and $1600.
Way to much considering you can buy a new 5 speed around $2000.
06-27-2012 07:54 PM
RWENUTS M20, M21 or M22
Big difference in sale price.
06-27-2012 07:28 PM
400smb_s10
Muncie 4 Speed

I have a Freshly rebuild Muncie 4 speed and I was wondering what It would be worth....

Sorry about the post in this forum but I wasnt sure where to put it

Thanks

Ed

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