Thread: Brake vacuum
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Old 12-03-2022, 08:36 PM   #52
forestb
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Join Date: Jan 2009
Location: Burbank, CA
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Re: Brake vacuum

I checked my timing today but made the mistake of forgetting to plug the vacuum advance.

16 degrees of initial timing.

33 at 1500
Around 55 at 2500
Blueprint recommends 32-34 at 3500 (or at the point the mechanical timing stops advancing) for their engines. I didn’t feel comfortable taking it up to 3500 rpm

It was running at 600 rpm at idle which seems a little low so I bumped it up to 7.

The brakes are so close to working good. I think the semi metallic brake pads and boots with a vacuum canister will solve the problem.
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