1973 Dart Swinger

erafuse said
View attachment 1715357607

TrailBeast said
Yep 7.25.
I put an A500 overdrive out of a Dakota pickup in mine and built an automatic shifting system for OD and lockup.
If you are doing 19-20mpg you are doing better than most already.
Getting those hiway RPM's down is the key.

Thanks. Last time I tryed it was 21 mph.But it varies 17-21 mph. Yes like to get the rpms down.