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vac pump

This is a discussion on vac pump within the GTO forums, part of the Vehicle Specific category; What would be the benefit of a vac.pump on a cam,head,and tune 04 goat?...

  1. #1
    footbrake racer racer426's Avatar
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    2004 gto

    vac pump

    What would be the benefit of a vac.pump on a cam,head,and tune 04 goat?

  2. #2
    Veteran 0rion's Avatar
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    that would depend on the size of cam. Unless you're going pretty damn large I wouldn't worry about a vac pump.

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    +1 Brakes are overrated.

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    Veteran 0rion's Avatar
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    Quote Originally Posted by pajeff02 View Post
    +1 Brakes are overrated.
    unless you go with a huge overlap on the cam your brakes should be fine.

  5. #5
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    As you stated, if there is significant overlap then a vacuum pump may be necessary. The engine wouldn't have enough "suck" for vacuum operated accessories, such as the brake booster. Vacuum pumps may also be used in combination with low tension ring applications to alleviate blow by and help the pistons seal to the bores better. The low tension rings create less friction, less heat, and free up horsepower. I always wondered though if the gain would be offset by what it takes to run the pump, assuming it is mechanically driven.

  6. #6
    Grand Imperial Wizard Sarge's Avatar
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    Bunch of pump homo's....hush your mouths....
    Screw a pump man...lets go back in time
    We used to put what we called "full race cams" in our engines back in the day....had no vacuum for shit .....
    So we put vacuum reserve cans on our rides
    Guess what...I still do.....always have 12-18lbs of vacuum in reserve for the brakes....
    Cheap and works very well.... http://www.jegs.com/c/Engines-Compon...11491/10002/-1
    I put mine where the battery used to be along with the electrical connections.....I went ahead and put a gauge on it just to watch for any leaks....

  7. #7
    Grand Imperial Wizard Sarge's Avatar
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    Quote Originally Posted by pajeff02 View Post
    As you stated, if there is significant overlap then a vacuum pump may be necessary. The engine wouldn't have enough "suck" for vacuum operated accessories, such as the brake booster. Vacuum pumps may also be used in combination with low tension ring applications to alleviate blow by and help the pistons seal to the bores better. The low tension rings create less friction, less heat, and free up horsepower. I always wondered though if the gain would be offset by what it takes to run the pump, assuming it is mechanically driven.
    Vent your crank properly to get rings to seat....

  8. #8
    Veteran 0rion's Avatar
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    so are you people agreeing with me or dis-agreeing with me??? Hell, I can't tell anymore. It's just all a bunch of rambling to me.
    Back in the old days EVERYTHING ran off of vacuum for the most part. These days it's mostly electrical so if you have enough vac. for brakes then you're good to go.

  9. #9
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    I agree with you.

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    Grand Imperial Wizard Sarge's Avatar
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    Quote Originally Posted by 0rion View Post
    so are you people agreeing with me or dis-agreeing with me??? Hell, I can't tell anymore. It's just all a bunch of rambling to me.
    Back in the old days EVERYTHING ran off of vacuum for the most part. These days it's mostly electrical so if you have enough vac. for brakes then you're good to go.
    You have a little BBQ Brisket stuck between your teeth...right there....
    I am saying the boy doesn't need some damn vacuum pump....just the canister if he is running a monster cam.

  11. #11
    Grand Imperial Wizard Sarge's Avatar
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    Quote Originally Posted by pajeff02 View Post
    I agree with you.
    Me or Orion? Choose carefully.

  12. #12
    Member Texas Jack's Avatar
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  13. #13
    Veteran 0rion's Avatar
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    Quote Originally Posted by Sarge View Post
    You have a little BBQ Brisket stuck between your teeth...right there....I am saying the boy doesn't need some damn vacuum pump....just the canister if he is running a monster cam.
    well, not all of us can just take our teeth out to clean them.


    and we're saying the same thing.

  14. #14
    Grand Imperial Wizard Sarge's Avatar
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    Jealous are we?

  15. #15
    Junior Member pocket rocket's Avatar
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    hey ur both right, old man sarge just likes to be safe and ofcourse right. Ill buy the vac can later and my brakes work great....ok so their worn but they work.

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