Re: O/T Changing auto trans. to std. trans.

Posted by Billy NY on June 03, 2007 at 09:42:41 from (205.188.116.14):

In Reply to: O/T Changing auto trans. to std. trans. posted by 37 chief on June 03, 2007 at 08:04:53:

Stan, I did this in a 1980 K-10 back in '94, I'm not sure of the differences, but in principal it cannot be all that different.

If you can source parts from a similar or same model, most likely you will have everything you need, except what might be specific to Ford.

Flywheel, bell housing, cross member, rear drive shaft ( is yours 4x4 if so add transfer case and front drive shaft ) pedal assembly, clutch linkage and some misc. parts. New heavy duty clutch assembly, make sure the flywheel is turned.

I took out my steering column, punched a hole into the floor where the linkage rod needed to pass through, mounted my clutch & brake pedal for a manual, and wedged the spring with shims until it expanded enough to hook in place, that was one stout spring. I change out the auto, after mounting my bellhousing and clutch, ( darned if I recall how I assembled this now, it was the first standard and clutch I ever worked on actually ) I still have the plastic input shaft alignment tool, raised the transmission into place, secured cross member, it was different between auto and stick. Standard with the transfer case seemed heavier too. Connected my driveshafts and it was done. I cranked er over and with some adjustment on the threaded rod, it worked great. I got everything from another donor truck, 78 K-10, that only had 30,000 miles on it, rotted out before it wore out, the fluids were still clean, I changed them out to 80-140 cling that we had in the shop at the time. The differential gears were 270's in this truck so it was geared high, speedometer was off after this and I never wired up the reverse lights. I drove it 176 miles from where I had to do this job, to where it is currently, which I used for pushing snow. It also had a fresh 350 with 4 bolt main, with 152 compression, found that in a junkyard, just put in a truck that was junked, this drive train will out last the truck. I used to take it into the field, line up 4-6" trees with the plow frame, and knock em over, drive right over them, just can't go backward, gear drive transfer case, that is where I think the granny gear is still low enough, on a 2WD it might be significantly higher as you don't have 4WD low. It was an intersting challenge but can be done. The steering column I got from the donor, did not fit the electrical plug, so I left the one in it with the auto lever on it.

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