Posted by Charlie Aarons on December 21, 1997 at 15:30:32:
As previously mentioned here, I put a MARS DTA 3.7 in a M37. It was easy. I just found another Hercules in Calif. for $800. Without the long 4" adapter a 0.73:1 Ranger overdrive will fit, obviating the need for a gearing swap. Has anyone actually put a Hercules in a CIVILIAN PW? Thanks.