Youtube has an excellent video on how the brass synchro blocking rings work. CLICK HERE
The wear which causes your shifter to grind or prevent gear changes happens inside the cone and around the three clutch hub inserts. These inserts can eventually elongate the slots which prevents the synchro rings from aligning. The inside cone also wears which prevents braking and causes that horrible grinding.
If you watch the video you will get a much better understanding of what's really happening inside your top loader. The guy actually has Muncie trans parts to show but Ford transmissions work the same. He also explains the importance of using correct lube and why your manual trans can burn up with the wrong oil.
My first manual trans rebuild was done on a Muncie from my '66 GTO, way back in the day. Once you get into it, rebuilding a manual trans is not real technical and a lot easier than it looks.
All these parts are available at reasonable prices. This is work you can do. The end result is very rewarding. To be honest, I never had the book to look at and I didn't need it. (My cluster gear had missing teeth so I changed it.) Good luck, Dave. - Dave
The wear which causes your shifter to grind or prevent gear changes happens inside the cone and around the three clutch hub inserts. These inserts can eventually elongate the slots which prevents the synchro rings from aligning. The inside cone also wears which prevents braking and causes that horrible grinding.
If you watch the video you will get a much better understanding of what's really happening inside your top loader. The guy actually has Muncie trans parts to show but Ford transmissions work the same. He also explains the importance of using correct lube and why your manual trans can burn up with the wrong oil.
My first manual trans rebuild was done on a Muncie from my '66 GTO, way back in the day. Once you get into it, rebuilding a manual trans is not real technical and a lot easier than it looks.
All these parts are available at reasonable prices. This is work you can do. The end result is very rewarding. To be honest, I never had the book to look at and I didn't need it. (My cluster gear had missing teeth so I changed it.) Good luck, Dave. - Dave
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