Hmmm, you guys are rattling my chain, I am still running my 8" with a power trax and 28 splines, Updated my blower to a Novi 2000 at 15 PSI Cog drive belt and 200 to 400 Nos,,,, only have 100 hp jets in it now.
I have three 9" rears in the garage , one is a 31 spline out of my 72 F100 TRUCK...