Outer Limits 4x4 Board

still pondering my duff auto box/torque converter...

overdrive..how many revs does engine drop when switched in??

ie at 3000rpm it only drops 100rpm to 2900...is this correct???

if not whats wrong?any cures??

btt...

how much does your revs drop when on overdrive..???gives me an idea of where fault lies..

btt again