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Hot Rods 4/71 blower rebuild

Discussion in 'The Hokey Ass Message Board' started by Desoto291Hemi, Sep 28, 2019.

  1. Jmountainjr
    Joined: Dec 29, 2006
    Posts: 856

    Jmountainjr
    ALLIANCE MEMBER

    Just be careful using the aluminium and things to hold the drive gears while tightening the drive gear bolts. Forty years ago I started out as a Detroit Diesel mechanic. We just used a red shop rag to bind the gears. Works well. Doesn't hurt anything. Just double check when you are done that should a bit of rag tear off just you get it off the gear.
     
  2. Desoto291Hemi
    Joined: Apr 21, 2009
    Posts: 836

    Desoto291Hemi
    Member

    Hey Jim,
    That is a good idea,,,a rag would work just as well.
    I just used a thin gauge aluminum strip to lock the gears.
    I have seen several videos that they used a hammer handle jammed inside the housing between the rotors,,,that made me feel uncomfortable.
    Thanks for the input!

    Tommy
     
    loudbang likes this.
  3. Desoto291Hemi
    Joined: Apr 21, 2009
    Posts: 836

    Desoto291Hemi
    Member

    Here are a few more pics of my progress.
    I decided to make a rear cover plate out of some stock I had.
    It started out as 1/2 inch plate ,and then I outlined the pattern on it with a scribe.
    I transferred and drilled the dowel holes first to lay out the pattern,,,,then drilled the bolt pattern next.
    Next I trimmed the excess off with a band saw from work,,,,and ground the outside edges with a belt sander while I was at it.
    Then it progressed to blending the edges with a 90 degree sander.
    I always like to add a nice radius to anything I am working on,,,I can’t stand sharp ,blunt edges .
    Then I added a 1/8inch pipe plug for an oil fill hole.
    Then the polish work and then the mounting and mock-up.

    And I add this disclaimer again,,,the polish work is not show quality!

    The only reason I used 1/2 inch plate,,was because that was what I had.
    1/4 inch,,or maybe even 1/8 ,,,would work as well.

    I plan on running oil in the rear,,,30 weight oil,,,,just my own idea.
    The reasoning being that I wondered about lube for the rear seals.
    I have sealed bearings,,,,but what about keeping the seals lubricated.
    I may be overthinking this,,,,I’m not certain.

    Almost there,,,I think the Tri plate for the front is all I still need,,,I should have it worked out soon.

    Tommy
     

    Attached Files:

    Last edited: Oct 18, 2019
  4. Budget36
    Joined: Nov 29, 2014
    Posts: 2,380

    Budget36
    Member

    I use anti seize on any bolt into Al.
     
  5. Desoto291Hemi
    Joined: Apr 21, 2009
    Posts: 836

    Desoto291Hemi
    Member

    Sorry guys for the lack of anything new,,,I have been busy,,,and it was almost done anyway.
    I made a tri plate for it,,,,it’s not too bad if I do say so.
    It is from some old scrap stock I had and it barely fit the pattern,,,but it is close enough for me.
    I put it on with some temporary bolts,,,,,and I used anti seize on them as well.
    I will wait and make those bolts match whatever I use for the drive when it goes together.

    Tommy
     

    Attached Files:

    loudbang likes this.
  6. Desoto291Hemi
    Joined: Apr 21, 2009
    Posts: 836

    Desoto291Hemi
    Member

    That’s it for now guys.
    I have put it away until the rest of the future project comes together.
    The main reason I did this ,,was to show that it is not all that hard to do.
    If a normal guy like me can do it,,,anyone can,,,,just take your time,,,read up on it.
    Ask advice,,,,buy a good core,,,,,use good quality parts.
    Then your project will turn out just as well!

    I still plan on using a fuel injection system on it in the future,,,still building that too.
    Just on the back burner at this time.

    Right now my attention is on a Flathead that I just purchased.
    I’m really gonna have fun with that!!!

    Tommy
     
    loudbang, OFT and continentaljohn like this.
  7. OFT
    Joined: Jun 1, 2005
    Posts: 499

    OFT
    Member

    Thanks for taking us for the ride. Hope to see more when you can get to it again.
     
    loudbang likes this.

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