transmission rebuild

How perfect does a gear in the transmission needed to be? I'm in the process of rebuilding the transmission and am seeing nicks on some of the teeth of the reverse gear. Hopefully they are showing up well enough in the pictures. Would this gear be alright to use or should I start looking for a...

Hello all. Life gets in the way, and stopped me from finding my X 1/9 when I was last here two years ago. Now I think I am in the right place in my career, and there is a kind local gent who has an '80 X 1/9 with 99,xxx miles that I'm going to look at tomorrow. The car smokes on startup, and...

This post is a copy and paste of the excellent work of Steve and other contributors. Reposted here to have it in multiple places on the the forum and be searchable using tags. I have had nothing to do with this, it is the excellent work of the noted authors. Karl No need to post to this...

Ever since my full engine rebuild last year, reverse and first are hard to find. Essentially I need to be lucky or moving for my shifter to click into place. Reverse is much harder to find and takes me multiple tries or more force than I want to use. I know that fork is a known weak point. I...

Not much magic or special about the shift forks in this gear box, except to check for wear at the ends of the fork. They are usually OK unless worn. The forks appear to be made of brass except they are magnetic. Not sure precisely what they are made of, could be a brass alloy with iron or...

The input gear set and Pinion gear set from a 1979 transaxle. The reverse gear on the input gear set. This often gets chipped, worn and abused as previous owners and abuser crash the shifter into reverse gear. If this gear is excessively chipped or damaged, the entire input gear set will need...

Inspect the crown gear on the diff housing for excessive wear, broken teeth and any other visual defects. Inspect the spider gears and their spherical bearing surface. The spider gears can be rotated within he diff carrier to inspect them. Also check for excessive spider gear backlash. On a...

This 1979 5 speed transaxle arrived from a friend's race car with the innards needing attention. Part one shows how to take one of these apart. Transaxle on the bench ready to be worked on. Un do the two M6x25mm long bolts using a 10mm wrench holding the input shaft sleeve which the clutch...