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Technical pros and cons of a blower motor

Discussion in 'Traditional Hot Rods' started by 46international, Oct 13, 2018.

  1. squirrel
    Joined: Sep 23, 2004
    Posts: 43,650


    You shouldn't need a boost referenced carb with 5 psi. You can do it if you want, but it's not necessary.

    Don't bother with vacuum advance, you don't really need the extra 1 mpg it might give you. Nothing about this engine build will be sensible, nor economical. Which is a great thing :)

    The cam profile will affect driveability more than the blower will. The blower just moves more air through the engine. Set up the cam and drivetrain to work together, just like on any other engine.
    46international and chevy57dude like this.
  2. big duece
    Joined: Jul 28, 2008
    Posts: 5,612

    big duece
    from kansas

    46international and loudbang like this.
  3. 5window
    Joined: Jan 29, 2005
    Posts: 6,812


    That's a nice looking set-up
    46international and loudbang like this.
    Joined: Dec 8, 2015
    Posts: 219


    A4491BDA-40A3-4759-B074-2A87716A314A.jpeg 7C58B803-BF42-4589-86F6-A950CE69B2A7.jpeg 657DBD75-A45D-4C85-9A3D-76803F52AE0B.jpeg AAB1D91F-1A9B-47ED-A7F3-983CEDA03A2A.jpeg 4F08F899-B292-431F-B04D-F24C844ADDC0.jpeg 275AE9E9-88BE-457C-9BEC-DEB826DF5EF8.jpeg I’ll add my recommendation to tony at Ross racing engines for his expertise with blown vintage engines. My partner has two of tony’s engines in his hot rods(blown nailhead and blown Oldsmobile) that we’ve put thousands of miles on without any concerns and those runs with tony and Bobby Hilton’s gang at the lone star roundup in Austin Texas and the tanks run at goodguys in Nashville for hot rod of the year are the best testaments I’ve seen for performance and reliability. Tony built a y block for one of Bobby’s customers a few years back that Bobby put thousands of miles on and I got first hand experience of his shake down runs and normally there a thousand mile run from his shop in Virginia to Austin Texas
  5. Just an update, I think I have the 4-53 blower sold but I'm still waiting on a shipping quote for the 4-71.
    I have read all the posts and want to thank all who have responded, I have quite a "blower info" folder saved up. Can't wait to put it to use....
    rpm56, loudbang and chevy57dude like this.
  6. R Pope
    Joined: Jan 23, 2006
    Posts: 3,310

    R Pope

    Blowers tend to "tame" a too wild cam, much like more cubes do.
    loudbang and mrhp like this.

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