Thinking about adding a brake booster to my 63 f100, it has stock cam original 292 and G heads 3x2 carbs. So vac would be from a boss I put in the manifold. Mustang II ifs disk brake front and drum rear. Runs about 15" vacuum at idle-little light, but not worthy of a rebuild. Also has TH 350 AT that pulls some vacuum. (I know-I knowbut you can build the 350 to avoid needing a kick down run to the carb unlike the C4 which is a blessing on a 3x2) I call it the original "hybrid"

Question is would that be enough vacuum to run a brake booster or should I just spare the agony and look at a firewall electric vacuum pump. There also could be some space issues for a booster and the valve covers.

Would hate to buy and rig a booster and find out it takes too much vacuum, and undo it.

Thanks in advance..

Mike Rizzo

1963 F100 "Rudy"

Daniel Island, SC