Jul 9th, 00, 10:15 AM
I had a M21 which was just rebuilt and I installed it in the car. The engine has not been started yet but I installed a new Hurst
Comp plus shifter and linkage. Well, all the
adjustments went well and I followed istructions. I have the trans filled with
lube and I went to install the driveshaft. I
noticed the trans seems like it is in gear?
The tail shaft will not turn without the main
shaft wanting to try to turn. I know the trans was NOT like this when I got it back. I
don't see how it could be in gear if I can smoothly run thru the gears while operating
the shifter or from underneath the car. I
should be able to spin the driveshaft with
the trans in neutral and the rear tires elevated.......
Jul 9th, 00, 03:30 PM
First question, which might sound stupid but I have to ask....are you sure it is not something in the rear dragging ? If not then are you certain that you have the neutral adjustment properly on the shifter ? Just because you can shift it through the gears with the engine not running does not really mean a thing. Also, I dont know how much drag there is, but if you turn the tailshaft on most Muncies when they are filled with oil, the input shaft will usually turn also, due to the drag of the oil in the gears. I dont know if yours is totally locked up, like it is in gear, or just has a bit of drag on it. A little drag is normal.
Hope this helps,
Advanced Automotive Machine
Jul 11th, 00, 02:53 PM
A just rebuilt trans has grease on the cluster gear needle bearings which will increase drag. I suspect that is all it is if you installed the shifter correctly. I don't know about new hurst competition plus shifter but the old ones had a pin you placed through them to lock in nuetral when installing did you do this?
Jul 21st, 00, 06:44 AM
Muncie jammed, problem found.....I was looking at the linkage and shifting thru the gears while I held the drive shaft and felt the driveshaft try to turn in 1st, 2nd, 3rd and 4th but in reverse, the driveshaft did not move anytime the shifter was moved. That meant the trnas was stuck in reverse. I also noticed the reverse shaft was sticking out of
the trans about 1/4 to 1/2 inch?? I called the guy who rebuilt my Muncie and described above. He said it looks like he left the pin
out of the case which holds reverse shaft in place. The shaft moved out while the trans was shifted in reverse and now there is no way to get the car out of reverse without pulling the trans....Well, the engine and trans are on the way back out.....#$&!@*#%
Jul 26th, 00, 05:52 AM
Sorry to hear that bob,
I would charge him pain in the *** backpay.
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Jul 26th, 00, 09:02 AM
Bob, the trans "WILL" come out thru the bottom, if it's not too late. Also, if you pull the sidecover, you may be able to correct the problem in the car!!