Fuel Systems & Hat Clocking

Discussion in 'General Supercharger Discussion' started by vinces427bb, Apr 2, 2021.

?

how is your hat clocked

  1. 12-oclock

    0 vote(s)
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  2. 3-oclock

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  3. 6-oclock

    0 vote(s)
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  4. 9-oclock

    1 vote(s)
    50.0%
  5. other angle

    1 vote(s)
    50.0%
  1. vinces427bb Staff Member

    initially posted by Boosted Buick
    http://www.superchevy.com/how-to/en...up-a-fuel-system-for-supercharged-application
    reading thru the article brought up a question here again in regards to hat clocking
    making or reducing power and it should be used as a tuning tool???
    from the article:
    19. Baker recommends thinking of the hat or bonnet as a tuning tool; rotating it could cost or make power!

    **Naturally, there are more variables. For example, rather than an air filter, a carburetor in a blow-through system wears a pressure hat. And Baker says even the angle of this hat can make a difference. “We’re talking 60 and 70hp worth of difference,” he says. “To be honest, it’s a black-magic science. I can’t tell you why, but it’s happened to me three times. But guys will call saying the car just lays over. Well, we can rotate the hat like 20 degrees and then you can’t keep the tires under it.”**

    on my car the hat is clocked at about 4-oclock because that was a straight shot from the charge tube to the carb,
    i would have issues trying to clock the current hat at 6 or 12-oclock due to the balance hose&fittings on the carb bowls..

    anyone have good info on this or dyno results?
     
    Tags:

  2. boostedbuick

    Mine is really closer to 8. At this point that is where it is staying just because of the hood being cut out now. Would be interesting to know if the results were with a carb of FI. That whole blow through carb thing often needs an ancient spiritual leader of some kind dancing around the car and chanting to make them work.
     

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