Blower Question or two
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  1. #1
    Supercharged 461 cu in prostreet70gto's Avatar
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    Blower Question or two

    Why do some people say not to use a crank HUB and others say not to use a damper? I was goin to use a fliudamper on mine. I can see that one reason is clearance between the rad etc, but as mine has no probs in this department i dont see why not to use one. Because at the end of the day a hub has no vibration damper or balancing ....so whats the deal???

    Next is more a brake question but still related

    How is it that a T Bucket might run a stock brake setup, plumbed in as it would be on a normally aspirated car, yet for others a vacuum tank and pump is needed to stop the car. I mean dont get me wrong, i know the physics e.g. superchargers = pressure. (not vacuum). but whats to stop you from taking the feed from the base of the carbs instead of the inlet manifold. This is just a ....was wondering thing. i am running a vac pump and tank anyway

    you cant beat bein blown.
    One word can say so much.....BLOWN

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    Off the Xmas card list kapri's Avatar
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    Re: Blower Question or two

    Don't know the first but the reason for the second is often cam profile, a long duration will produce lower vacuum even on a non blown motor so often needs vacuum supllement. Just had to do this on a mates car with a ragged cam in a Pinto, simply not enough vacuum created at idle to get 3 pumps of the pedal before vacuum depletion .

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    Rods 'n' Sods Junkie derek 33 ford's Avatar
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    Thumbs upRe: Blower Question or two

    on my 33 i use a damper with no probs and i take tha vac from below the carbs just above the blower between them both and it work fine and before i had the blower set up it was on dirty thirty set up just the same and it was fine so the choice is yours all the best.DEREK. MANCHESTER. blowers are the only way to go.

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    Re: Blower Question or two

    I run a damper (Dual Keyways) without any issues, I would also consider fitting a crank support.

    I dont run a servo, so can't help you on the vacuum question, pedal/brakes feels fine.

    I run 4 pot callipers on the front & rear, dual master cylinder & braided hoses to help reduce any sponginess.

    Pulls my up from 150mph no problem, but will start to use the chute this year.

  7. #5
    Knowledge breeds power... havoc's Avatar
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    Re: Blower Question or two

    The blower belt will do some of the job with harmonics that a decent damper does on an unblown engine. This is the primary reason that you are likely to hear as to why one isn't necessary.
    If you have the space, I see little reason not to run a damper. It is its primary purpose and not an ancillary benefit.

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