Re: IML: 67 LeBaron brakes

[Mike Pittinaro <mechimike@xxxxxxxxx>]

> How do you restrict the vacuum to the brake booster?

The problem I have had with my 67 Crown's brakes is
that the brakes tend to "grab" and stay applied for a
few moments after I lift my foot from the brake pedal.
 I found that by restricting the vacuum boost this
problem was alleviated.  

The way I restricted the boost was to remove the
vacuum line from the booster and insert another
plastic tube with a smaller diameter hole inside of
the vacuum tube.  Thus, the ID of the orifice the air
must pass through is reduced (in this case, from 3/8"
to 1/8") and the vacuum is restricted.  Note, this is
not a perfect fix, as the steady-state vacuum level
will still be the same, but it will take longer to
build up that vacuum level in the booster.  So under
prolonged brake applications, I still get some grab.

--Mike Pittinaro

'To Engineer' was never meant to signify poking around with a mouse on a Nintendo-on-steroids computer system.

'It's a shallow life that doesn't give a person a few scars' 
-- Garrison Keillor


 
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