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After dismantling the gearbox I found what appears to be the cardboard seal from under the cap of a can of oil. It was lodged between the 3rd gear block ring and the 3-4 synchronizer preventing it from coming all the way out of 4th gear. The moment I engaged 5th it was all over.

If you haven't yet you should also replace the clutch cable . Around 50 bucks on Amazon. Well worth it. When mine started ripping through firewall I bought a new cable and then cut the old one open, found it had started fraying apart on the inside.

Disconnect the wire at the motor, if it blows the fuse again it's the switch or wire. If it doesn't blow it's the motor.

Thank you for the info I will send Jerry a message. The upgrade writeup has a lot of useful information. I would most definitely like to upgrade to the stronger tranny

Usually the weakest spots in a gearbox are the bearings or the gear teeth. I have to admit I have never seen a shaft snapped like a twig.

Clean in half

Broke the counter shaft in half

Getting ready to drop it out right now I'll post pics. If it's beyond help I'm going for the later year gearboxes that are stronger. I seem to remember someone posted a list of the later years that are interchangeable. My wife says I should follow my bucket list and drop in a small block and a turbo...

It's going forward in reverse because it was still engaged in 4th. Pulled the drain plug, still has all its oil. Oil is still clean and see through. Some fine metal powder on the magnet but barely enough to cover the head of a finishing nail.i ran a coat hanger around inside the drain hole, no teeth...

I thought if a baby this and take care of it I ought to get 10 20 more years out of it hahaha surprise. But I can't complain I still made it home limping all the way in 4th. Pulled in my alley went to the gears one more time still nothing like it's in neutral but here's the weird one I put it in rev...

I thought if a baby this and take care of it I ought to get 10 20 more years out of it hahaha surprise

I just cannot believe my luck lol coming home I got off 512 and on to I-5 sped up shifted from fourth to 5th Heard a bang and nothing pull back up the freeway went through the gears and it's like I'm in neutral everything but 4th I think I dropped the whole counter shaft

Missing the o ring.

Thank you