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1963 power brake booster/vacume

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Old 02-14-2009, 02:58 PM
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BOB WINSKI
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Default 1963 power brake booster/vacume

Hi guys hope all is well with everyone.I have a correct power brake booster on my 63,Can anyone tell me how much vacume it should be pulling from the carb.I looked in my 63 repair manual but it does not give the amount of vacume.I do have a vacume gauge to use and check it.Thanks Bob W
Old 02-14-2009, 04:06 PM
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MikeM
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The booster has vacuum pulled against it by the intake manifold vacuum. Whatever intake vacuum the engine has is what the booster sees.
Old 02-14-2009, 08:20 PM
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SPLITRAY
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Originally Posted by MikeM
The booster has vacuum pulled against it by the intake manifold vacuum. Whatever intake vacuum the engine has is what the booster sees.

Exactly, and that VACUUM will depend greatly on your camshaft profile.

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