Quadratrac II perhaps? Quadratrac had a single speed case such as in AMC eagles. Quadrtarac II gets lowrange and a nuetral postion. I've never looked intot he science behind the case. Suppose I should just so's I know. -- Mark Price Morgantown, WV 1969 AMC Rambler, 4.0L, EFI, T-5 2004 Grand Cherokee Laredo, 4.7L, Quadratrac II " I realize that death is inevitable. I just don't want to be around when it happens! " -------------- Original message ---------------------- From: Steve Cornelius <steve.c@xxxxxxxxxxxxxx> > > I really like the characteristics of the case in my WJ, IIRC it is a 247? > maybe not, > > Hmmm, the NV247 on our former WJ was a full-time case with a gerotor pump and a > bias valve that would shunt torque to the front wheels anytime it measured front > shaft RPM < rear shaft. They can't be towed on 2 wheels for this reason (or smog > checked on rollers ;). Real nice in the slick stuff. > > They called it "Quadra" something, but not "Quadra-Drive", that was the one that > would feather the brakes on any loose wheel. > > -sc > > > > _______________________________________________ > Amc-list mailing list > Amc-list@xxxxxxxxxxxx > http://splatter.wps.com/cgi-bin/mailman/listinfo/amc-list _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://splatter.wps.com/cgi-bin/mailman/listinfo/amc-list