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Ok, got a F100 3 speed with a 300 I6. What transmission is this, is it fully sycronised and will it pull a heavy load?
The previous owner said he thought it was a 3.03 toploader. After some research, i found that these transmissions were not used after the mid 70's as a factory part. They were designed as a replacement to the BW T10, and were sycronised in all forward gears. They were used in everything from 6's to the 428.
Synchro could be worn and easy to push past. Brand new transmissions will grind if you try to go past the synchro to fast.
Have you checked your clutch linkage and mount? '80s trucks have firewall issues. Flex and cracking happen, with or without rust. This causes your pedal motion to be soaked up without moving the clutch, causing hard shifting and grinding.
yes three on the tree. And the linkage was replaced as part of the engine rebuild. (i broke the spring, so i replaced the whole linkage), and is set properly.
So is this easy to rebuild, Or should i try to find a replacement?
--input length. If the same, bolts to your bell, uses your clutch.
--input spline. If the same, uses your clutch disc.
Popping the shifter up into the cab will take some cutting, and fab a boot for it, or get one from a donor truck.
Ford used different depth bell houseings for trucks vs. cars, and I'm not certain they didn't fudge on the three speed. Probably didn't, but if the bell is the right depth, it will make it a lot easier.
Do some checking....
Now AOD or other automatic--you'll need a flex plate, fiddle with the starter, linkages, shifter. Lots more work. AOD would be nice though....