Small Block & Big Block Chevy Specific Mouse & Rat Motor Discussion & Conversions

Vacuum pump might be needed

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Old Feb 14, 2011 | 04:17 AM
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Default Vacuum pump might be needed

Bbc 500+ cubes, 13.5 to 1 comp.,1 stge n2o-300 shot, 800 lift cam,nitrous hell fire rings......shud i need a vacuum pump? Wud i benefit from it or shud i jus use the headers crankcase method?
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Old Feb 14, 2011 | 09:18 AM
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Well most every all out ***** to the wall racecar I see has one but really I just race as a hobby so I am not qualified to answer It is supposed to help ring seal and oil consumption as well as reduce predetonation or detonation... But if you just run breathers and oil is everywhere and the dipstick is blowing you need one for sure....LOL Go on the Yellow Bullet forum and ask the really hardcore guys and they can give you a better answer than you'll get here on Newbie Tech....
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Old Feb 14, 2011 | 02:20 PM
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Dry or wet sump? Dry sump-probably not as the oil pump will provide vacuum, wet sump, I would venture to say yes.
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Old Feb 15, 2011 | 10:15 AM
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vacuum pump would be best. but a header evac kit would be ok to.
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