Quote:

You can tell the A body guys.

The A body power setup uses an offset crank assembly to lessen the pedal ratio

You can see it in this link

http://www.ebay.com/itm/1967-MOPAR-MOPAR...R-/290681535604



Interesting.
It looks like it uses the crank mechanism to raise the booster for more clearance for valve covers. The 273 used a mechanical cam and I imagine things get a little tight under those hoods.

Have you done the math to calculate the actual mechanical advantage of this setup? It would require measuring the complete assembly including the pedal.

We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind.
- Stu Harmon