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Old 02-04-2009, 08:13 AM
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power disc woes...or not so much woahs...

so i had my 64 f-100 up on fron truck ramps redoing the wiring harness for about a week or so and i get it all done and now the power brakes feel like the booster isnt working. (its 74 nova front disc) the only thing i did differently with the vacuum lines is i tied in a vacuum gauge to the booster line. would that do it? thats how the autometer instructions say to do it.
by the way my vacuum gauge is showing about 5 in. in park and about 3 in drive. i tried spraying starting fluid aroud everywhere and i cannot find a leak. what the heck??

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Old 02-04-2009, 09:15 AM
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That isn't even close to enough vacuum to get assist from the booster. Something is wrong, you need at LEAST 15 inches of vacuum in most cases. You either have something kinked or restricted to cause that low reading. Better have a good look-see at everything in the vac. supply.
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Old 02-04-2009, 12:57 PM
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yea will do
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Old 02-04-2009, 01:13 PM
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connect a vac gauge at the carb see what you have there..then work your way out each connection until you get a big vac drop..then you know where the leak is..or have a better idea..

Sam
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Old 02-04-2009, 01:18 PM
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i love simple little tricks like that....wish i could think of some of those once in a while...
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