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[VintageLambo] Re: Electric Vacuum; are we talking Torsk or inches

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I made no such assumption in my case, in fact, my expectations were that it would be compromised with fluid. "and cleaned the tank, lines, and replaced the one-way valve" There may be other factors on the vacuum pickup of the P300 that make it more effective, I don"t have any experience with the motor. 17"HG is good enough to keep the pedal pressure reasonble I guess. Doc --- In VintageLambo@yahoogroups.com, "rvosari" wrote: >Well there is an assumption here...That the vacuum tank is clean... >(free of brake fluid, water, and goo) > >On my P300, which has camramp acceleration rates far more radical > than any Espada, the vacuum tank goes from empty to relative > stability ( 17-18" of draw) in 3 to 4 minutes of engine operation.. > >If the brakes don"t work well when cold, I would make sure that I > don"t have glazed pads...and / or change the pad compound to > something softer and more "streetable", since you aren"t driving at > 100 MPH on a regular basis. > >REV > > > > > > > > > > > > > > > > > > --- In VintageLambo@yahoogroups.com, "lgpdk" wrote: > > > sucking sound, which I take as a good sign the brakes can hold > > vacuum. > > > > To all, > > Let"s get some numbers. What is the vacuum at idle??? What is the > > vacuum at overrun, say from 3000 rpm??? And compare that to about > 20 > > in-Hg vacuum (0.33 Atm or 34 kPa) that an electric vacuum pump > gives. > > > > When driving in "stop and go" conditions the only vacuum the car > > gets is close to idle vacuum. Under those circumstances I have on a > > few occasions had to stomp harder on the brakes than I like. My > > brakes are in excellent condition and my combustion chambers are > > sealed far better than most (and my legs are pretty strong too). > > > >