Originally Posted by HotRodDave
Originally Posted by cudaman1969
What’s the lowest gear the 8-1/4 came with? I’m thinking now of still keeping the 904 with hat low first gear instead of an overdrive behind the 360. Also keeping the TBI adapting to the SP intake with 318 heads.


The lowest gear I have seen in a factory 8.25 is 3.92 however I think you are actually wanting to know the highest gear and the highest I have seen is a 2.20 with a 2.45 being fairly common.

Yes highest, but I do have a 4.30 posi in a A-body rear size