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Olds 350 Blower Manifold

Discussion in 'The Hokey Ass Message Board' started by 72OLDS, Feb 23, 2010.

  1. 72OLDS
    Joined: Feb 23, 2010
    Posts: 5

    from Orangevale

    I have a lot of free time on my hands these days and I'm thinking about supercharging my Cutlass. I've been looking through all the parts I need but the one thing I can't seem to find is a manifold. Anyone know of any inexpensive ones or a manifold that can be modified to suit my needs?
  2. joe_padavano
    Joined: Jan 18, 2010
    Posts: 263


    "Inexpensive ones?"

    HAHAHAHAHA Good one.

    The only dedicated Olds blower manifolds I have ever seen were cast by Sharp in the 1960s, as used on the Hurst Hairy Olds. All the aftermarket Olds blower setups use fabricated manifolds. Usually they start with an Offy dual quad single plane manifold. The carb flanges are milled parallel to the crank centerline and a thick aluminum plate is bolted or welded to the manifold to mount the blower.
  3. 72OLDS
    Joined: Feb 23, 2010
    Posts: 5

    from Orangevale

    So probably not worth it? Stick with building internals and rear end?
  4. Phil1934
    Joined: Jun 24, 2001
    Posts: 2,612


    I think he had one for B&M back in the day
    Dave Smith Engineering
    25078 Road 196
    Exeter, CA 93221
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  5. flamedabone
    Joined: Aug 3, 2001
    Posts: 4,009


    Blower Drive Service stocks a manifold for the 350 Olds. Part # BDS8506. $1066.99.

    Some blower shops (Hampton, Mooneyham, etc.) will convert your aluminum manifold to 4-71/6-71 with a bit of maching work and a welded plate. Most likely less than the price of the BDS unit.

    Good luck, -Abone.
  6. stepchild
    Joined: Mar 25, 2005
    Posts: 633

    from Ohio

    offenhauser 360* manifold have been converted to blower manifolds for olds...
  7. 333 Half Evil
    Joined: Oct 16, 2006
    Posts: 1,440

    333 Half Evil

    Dude, you come on here with a 1972 cutlass looking for advice, parts etc. You never did an intro, and your car is not what this forum is about. In you carb running rich post you claim you are broke that is why you are asking for suggestions so you can fix it yourself. Well if you are broke, you sure as hell can't afford a blower. Do yourself a favor and find a muscle car, old, or cutlass forum to hang out on.

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