Originally posted by nesabo
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Project Austin street gasser.
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Had a nice sunny cool day today, so tried to rack up miles on the breakin oil, so I can get it changed. Put a couple hundred miles on the car just cruising around the rural roads. It was a lot of fun!Last edited by 1946Austin; February 24, 2012, 04:55 PM.
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Ever since I put the new cam in I've basically had almost no brakes! They felt like typical power brakes do when the engine is off. I was afraid the new cam might be too long a duration and create a low vacuum situation, and it did. I tried a vacuum reservoir, but that didn't help.
So today I decided to do something about it. I pulled the Subaru master and removed the power booster. Then I gutted the booster to get the adjustable rod off the back, and the round tipped rod to the master off the front.
I was going to bolt the master to the firewall, but the master and pedal assembly have different patterns on each side of the booster, plus I'd have to rework the brake lines to get them to fit again. Instead I went to the metal yard and got a piece of heavy wall 5"x5" box tubing and cut a couple inches out of the middle of it. After that I welded it back together and made a template for each side to match the firewall and master cylinder. Used a hole saw to open a large hole in the center on each side, then cut the bottom edge at an angle to make better clearance for pulling the valve covers. Once I had things mocked up I measured the distance on the rod and welded a section in the middle to make up what I lost with the power booster gone. This keeps the adjustable rod for pedal height, which is always a good thing to have.
A little paint and some stainless steel hardware and it's back in place. Brakes work great as a manual system, and the pedal ratio is 6 to 1 so shouldn't have to exert a bunch of pressure to lock things up in a panic stop!
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