Good morning redwing.

If you look at this article you'll see a picture of a simple speedometer corrector I used when converting my '36 pickup from 4.11 to 3.55 gears.

http://vcca.org/forum/ubbthreads.php/topics/334876/1936_Chevy_3.55_rear_gear_conv

There is a nearly infinite selection of internal gears for that thing.


Ray