Kirk, I ran a Man a Fre 4x2 induction system for a few years on my old 40 Ford. It was without a doubt one of the best and most trouble free set-ups I have ever run on the street. Contrary to some of the information here it is a much better performer than the Offy manifold MUCH BETTER and as I said very user friendly and almost maintance free, I never had to use a tube to set my 2GC carbs ever, and as a matter of fact didn't really need to mess with the system much at all. The Man a Fre system performance wise was built and designed as a cheap alternative to the mechinical fuel injections of the time. It wasn't fuel injection but it was close and much easier to use. Trouble is man o man are you going to have to pay for one. I wrecked my little 40 Ford, it got hit hit in the front and broke the crank snout right off. I sold those 4x 2's and the manifold and linkage for, are you ready $3,400.00. Guy never batted an eye and just smiled as he counted the money.

Roland