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Old 08-28-2017, 12:04 AM
Infinite Monkeys Infinite Monkeys is offline
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Join Date: Aug 24 2017
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Default My dual diaphragm booster and dual master cylinder install

Here's my brake booster and dual piston MC install.
I used this from Summit:

https://www.summitracing.com/parts/tff-2123nb-1

I ran all new Nickel/copper alloy hard line, front and back. Highly recommended, it bends and flairs very easily and will never rust.
I reused the old distribution block for the front and bought another one for the back. I put in a new pressure switch in the back line distribution block for the brake lights.

Mounting the combo could be a lot cleaner if you take the time to make brackets that look better. I got this idea from a picture I found on the net. They had used two pieces of square tubing to space the booster out, this does look cleaner. I used 4 short pieces to make it a little easier. Spacing out the booster is necessary because the booster push rod and the tube nut length is too long.

I cut the old push rod and welded it to a tube nut that fits on the new master cylinder and cut the old brackets off the old booster and mounted the new booster on them. Tube nut thread size is 3/8 X 24 for this application.

The 8" booster clears the shifter arm by about an inch. Everything else is factory.

Total cost was about $200.
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Last edited by Infinite Monkeys : 08-28-2017 at 01:33 AM.
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