Hi All,
First off, thank you to everyone who has helped a newbie on my 69 yenko
chevelle clone.
first a recap of what I have. I have a 454 77 truck engine, with an M21
Muncie 4 speed. My speedo is not working. I replaced the plastic white
gear and it worked for a minute or two and then stopped working. I had the
car on jacks last week and took some pics of the trans, where the speedo
cable goes and the piece (thing speedo gear goes on). I don't know if the
list takes pics, so I will send them on demand.
I could use some help getting my speedo to work. I'm pretty lost on whether
I have to pull the trans or not. My buddy whose a non-chevy mechanic (8 hrs
away), says that he was told that there could be the wrong tailshaft on the
car. This could be causing the problem or stop the fixing of it. I have
casting numbers on trans and tailshaft if that helps...
So, sorry for the long winded post, but here are my questions.
1. Do I need to drop the trans to fix the speedo cable?
2. does the tailshaft have to be an EXACT casting # to work on the car?
3. Do I need to pull the trans and rebuild it to get this fixed. (The only
4 speed guy that comed highly recommend ONLY does full rebulds on the trans.
Don't want to go that route unless absoultely necessary)
3. Help...
Thomas aka (tomcat)
San Jose, CA
