smallengineguy
78's are Regals too!
- Joined
- Dec 30, 2007
- Messages
- 37
I just put a GN rear in my 78 Regal. It has 3.42 gears in it. I also have a TH350 tranny in it. The speedo is now way off (reading too fast). Do i need a speedo drive gear in the trans with more or fewer teeth?