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Thread: Blowers

  1. #1
    Member JUNIOR BUILDER
    Join Date
    Jul 2003
    Location
    Calumet City Illinois
    Posts
    89

    Blowers

    Can any one tell me if a B&M blower holds oil and if so how much? I just bought a car with a sbc with a 671 B&M blower and it appears to have two plugs on the top near the front cover. I would assume they are for adding oil. Am I correct? Thanks for any help.

  2. #2
    Senior Member MASTER BUILDER
    Join Date
    Jan 2003
    Location
    artesia new mexico
    Posts
    172

    blower

    yes the front needs oil!!! get the correct oil from b&m its a different type of oil from car oil. you need a filler hole and a sight glass plg to check youre level of oil call b&m they will have all the stuff you need mike
    to finish first: first you have to finish!

  3. #3
    Senior Member RACING JUNKIE
    Join Date
    Sep 2007
    Location
    Belleville, IL
    Posts
    658

    Re: Blowers

    Quote Originally Posted by deward
    Can any one tell me if a B&M blower holds oil and if so how much? I just bought a car with a sbc with a 671 B&M blower and it appears to have two plugs on the top near the front cover. I would assume they are for adding oil. Am I correct? Thanks for any help.
    I uses gear oil. We use to run 75W-90 in the Powercharger 250 (15+ years ago).

    It should have a site gauge (if memory serves correct) on the front of the blower. Fill the blower up to where the gear oil is above the site gauge.

    It may (or may not) have a pressure relief valve on the front of the cover. If it does, good. If it does not, then you have to make sure and vent one of the top plugs (drill a .062" hole in the allen plug) on the top of the gear case.
    -WJ Birmingham

    OneBadGMC.com

  4. #4
    Member JUNIOR BUILDER
    Join Date
    Jul 2003
    Location
    Calumet City Illinois
    Posts
    89

    Blowers

    Thank for the replies. The help is much appreciated.

  5. Racing Junk


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