The '71 C20 booster is likely a dial diaphram booster, which will give you excellent braking assist with a mostly stock engine. If you have a engine with a bit of a cam, and lower vacuum, the dual diaphram booster will help make up for the low vacuum.
The '71-'72 boosters can work with my booster brackets. You will just have to remove the factory brackets, and slightly elongate the holes in my booster bracket. My booster brackets are designed to be used with brake boosters having a 3-3/8" x 3-1/2" stud pattern. The '71-'72 boosters have a 3-1/2 x 3-1/2" stud pattern.
There are links to my booster brackets in my signature line \/ \/ \/
Quote:
Originally Posted by 64shortbed
This is why i started the brake booster tread. So people would have some ideas of what works and what to stay away from. I currently have a booster from an 85 c10 and one from a 71 3/4 ton. I dont like how far they are going to stick out from the fire wall with the original brackets. The 71 i can unbolt from the bracket and the 85 is one piece.
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