woody, maybe this info will help
1 i installed (i think)225 50 16 tires and rims on my car, they were 24.7 tall I drove around for hours tring to get a engine light,,,nothing,, every thinh went perfect,, in fact at 80 if you slap shift down and punch it ,,it would light up the tires,, so ---
I went home removed the stock srt rear (307 ratio and installed the limited rear (327) leaving the shop it was good because i could only go into 1 & 2 gear,, but then i got a block of clear road ,, i eased up faster and faster ,ok 40 mph and when it went into 3 gear it went into limp mode, checking the cell it said third gear ratio incorrect,,, cleared ir and all day played with tire sizes 26.1 stock,, 25.1 DR's and 24.7 16inchers always getting the cell and limp mode at 3 gear,, now in 1 ,,burn the tires,2 shift(in auto) pulls great then into third and ,it like going into neural, then put the stock srt rear back into the car. any questions call me or send me your # i'call you jim