Been off the forum for a bit and STILL dealing with this speedo issue. It seems ? to be about 16% off from the diff change to 3.55. I started with Jim Carter and they had me send my speedo in to the shop down the street from them to calibrate...they ended up rebuilding it. Then told me to get some numbers from Speedo and compare to GPS or radar. Ok..16%. They built an adapter but once installed it was still wrong, plus they seem to be going out of business, never answer their phone, etc. So I'm PO'd and call The Speedometer Shop. Fine, they say send it to us and we can fix it.
That was three or for weeks ago and I still don't have it..but they say it's done. I guess the old guy there, Rick, has been going thru cancer treatment so I do feel sad for him but no idea when I'll get my part back... This whole issue has been going on for months. Jim Carter gave me $70 store credit but not a refund which would have been more fair.
Advice: Don't use Jim Carter for this or Metro Speedometer in the same town has Carter... Also, good luck with The Speedo Shop.... Maybe there are other/better places.
Mark