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06-12-2010, 04:06 PM
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#1 |
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Before and After
Join Date: Feb 2000
Location: Leduc, Alberta CANADA
Posts: 632
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Too much vacuum, brakes are sensitive.
Gents,
I recently rebuilt my engine with a cam that produces more vacuum than stock. The brakes lock up more than normal, is there a way I can reduce the amount of vaccum that goes to the booster in order to avoid the extra force on the brakes?
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Not Grandpa's C-20 anymore... 383 Stroker 425HP, 485Ft/Lbs Lowered 3.5" Front / 5" Rear 66,000 miles. Alberta, CANADA |
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06-12-2010, 07:45 PM
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#2 |
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Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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Re: Too much vacuum, brakes are sensitive.
What is the vacuum reading? Also, is it all four wheels that lock up or just the rear?
Jim
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1971 Shortbox step side 4x4, 350 sbc, 3:07 rear end 1965 Impala SS 400 sbc, Muncie rock crusher 1966 Impala SS 396 bbc, TH 400 1969 El Camino, 350 sbc, TH 350 1971 Snowplow built on a Blazer frame 1972 GMC Short bed, stepside, TH 400, 427 BBC |
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06-12-2010, 07:53 PM
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#3 |
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Registered User
Join Date: Jul 2006
Location: Central PA
Posts: 12,201
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Re: Too much vacuum, brakes are sensitive.
well, based on the venturi effect you could use a larger hose for the vacuum, this would slow down the amount of vacuum... in theory larger hose=less pressure/volume
__________________
The Garage: 1968 K-10 SWB - "Project Money Pit" 1996 Z-71 - "huntin rig" 1969 C-10 LWB (SOLD) "Project flip that truck or else" 1993 Passport, F@rd 1-ton (SOLD)"Project Cousin Eddie" My Garage Build "The 1,000 footer" Last edited by msgross; 06-12-2010 at 07:58 PM. |
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