mr rmillburn i got my brother in laws 54 running the 250 motor sounds fine. i put atf in the 350 trans and gear oil in the 8.8 disc brake rear end. tommorow i will jack the rear tires off the ground and check if the turn when i put it in drive. if the 350 trans is ok i will do a brake job. a ex 3600 shortened to a 3100