If the center section will fit your rear then the 3:55 ratio is dead on perfect for the 235. I am not aware of a 3:90 unless that is what the cars used at some point with an early six.


1953 Chevy 5-window 3100
In the Stovebolt Gallery
More pix on Picturetrail

Dave
Engine & Driveline Moderator

If you can't make seventy by an easy road, don't go. ~~ Mark Twain