Anyone running a Chevy version of the 231 in their jeep? This is what I am going to end up using in my V8 swap. Only problem is that the Blazer I stole this from had a electronic speedo and the XJ has a mechanical. I was thinking of trying to swap stuff over from the 229 that was in it but I can't find any info if it is possible. Would be nice too because the 229 had a fixed yoke.