I always thought it was an attempt to do the "metering" through the resevoir and piston sizes in the MC. Wayne Wayne & Lisa (Skeezix), Bolton Landing, NY, http://www.superglider.thinkhost.com/ AMO#8454, 83 Eagle Limited Wagon, 82 SX/4, 258 auto 69 Ambo coupe, 401, M12, 66 Ambo 990 Wagon, 327,PW,PB,PS,posi,AM/FM,AC 88 Jeep J10 360, auto- a Real truck 2001 Cherokee, 2000 Chrysler Cirrus (both hers) On Fri, 23 Feb 2007 13:19:16 -0800 (PST) Tom Jennings <tomj@xxxxxxx> writes: > > There were two combo valves -- one with and one without metering. > The > > Then there may be three -- it is certain that some have > front/rear proportional valves, and some do not. > > > Then there's mysteries: > > In 1978 for example early Matadors got a two-way combo, and > later Matadors got only a warning switch! As far as I can tell, > same master cyl, calipers, rear brake setup. Why some with > front-holdoff and some without? > > _______________________________________________ > Amc-list mailing list > Amc-list@xxxxxxxxxxxx > http://www.amc-list.com/mailman/listinfo/amc-list > > _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://www.amc-list.com/mailman/listinfo/amc-list