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thoughts on a vacuum reserve

Discussion in 'The Hokey Ass Message Board' started by pepi, Mar 24, 2006.

  1. pepi
    Joined: Sep 5, 2005
    Posts: 9


    Have a very lumpy cam and therefore low vacuum, I am using an electric vacuume pump to assist the power brakes. I am wondering if I were to install a vacuume can if it would be worthwhile or a waste of time. I am thinking that the can may add some preformance to the brake system. Kind of like the way a start capacitor does on a electric motor. Adding energy.......... any thoughts or experiences with this?

    say this is a tough message board spell check
    Joined: Nov 22, 2005
    Posts: 7,592

    from SIDNEY, NY

    A friend of mine used a vacuum reserve can under similar conditions, and it helped on that first hit on the brake pedal, but after that it needs to build back up.
  3. Bugman
    Joined: Nov 17, 2001
    Posts: 3,484


    Yeah, a vac can will only gain you a pump or two on the pedal. As it is, a vacuum booster holds vacuum, and acts as its own canister. pump any late model thats not running, you can get 2 decent pumps out of it. If you've got the room, a bigger booster may be a better choice.
  4. yorgatron
    Joined: Jan 25, 2002
    Posts: 4,228

    Member Emeritus

    i bought a cheap vacuum can from summit,it definitely helps.
    i drop at least 1 gear in any situation where severe braking is called for,plus taking your foot off the throttle helps bring the vacuum back up.
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