[cbeeker]

Originally Posted by jrmunn

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Cheeker,

I did not add a brake booster. The truck came with a vacuum boost that my father removed because it was too sensitive (but probably necessary to the first owner who carried a camper and found the 305E underpowered for the weight). I would be cautious about adding a booster if you don't need it for a load. My rear tires lock up on a moderate stop, even with the larger radial tires, and this could be dangerous with added brake power and sensitivity. On the other hand, I can still push hard on the brake pedal.

jrmunn

So, my plan is buy a dual master cylinder, and as you suggest- no booster. Seems the 67 Chevy C20 is first dual made. Any idea if this will match holes for my 64 GMC 3/4 ton?
Charlie