Thread: My 64 GMC 1500
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Old November 22nd, 2020, 03:56 PM
cbeeker cbeeker is offline
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Join Date: Aug 2015
Location: Bloomington, IN
Truck: 1964 1500
Age: 69
Posts: 43
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Default Re: My 64 GMC 1500


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.

I carry the Pullman Camper with stuff inside, but certainly not a load. Thanks for your communication as I hoped just adding new dual master cylinder and reworking brakes would be adequate, without a booster.
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