Hey everyone i bought the conversion parts from gm, for my th-400,, i am having a problem though, my speedo is all over the place, is this normal,,, does the computer need to be reprogrammed,,,

Thanks
Brian

 

if you converted from an M6 car you have to use a different correction in LS1edit, if you search here you can find the info - I posted it a while back but I forget. If I remember I had to divide the tire diameter by 2.35 to make it work right, I had 11.27 for tire diameter for 26.5" tires.

If you converted from an A4 car it should be right..