Low vacuum

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zyl.3157
Posts: 35
Joined: Sun 06 Jan 2013, 19:59

Low vacuum

Post by zyl.3157 » Wed 27 Mar 2019, 07:59

Good day gents. I recently rebuild my sbc 350 and after that my brakes was crappy. Found that my vacuum is like 0.4 after the cam change. If I drive 120 car brakes semmi ok. What is the selotion. Was told to fit electric vacuum pump kit. Will this work. Thx

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jlebenon
Posts: 1389
Joined: Tue 31 Aug 2010, 11:48
Location: fourways,jhb

Re: Low vacuum

Post by jlebenon » Wed 27 Mar 2019, 18:02

What's the cam specs and what is the timing set at ?
2006 lumina ute
1973 El camino 353ci

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jlebenon
Posts: 1389
Joined: Tue 31 Aug 2010, 11:48
Location: fourways,jhb

Re: Low vacuum

Post by jlebenon » Wed 27 Mar 2019, 18:06

There's a few different things to check before you use a vacuum pump ... Any of the gaskets or hoses could cause low vacuum easily
2006 lumina ute
1973 El camino 353ci

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