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Customs 12 V,

Discussion in 'The Hokey Ass Message Board' started by Dangerousdan, Jun 8, 2021.

  1. Dangerousdan
    Joined: Apr 12, 2018
    Posts: 276

    Dangerousdan
    Member
    from Arizona

    Looking for suggestions on AC /Alternator brackets that work on the 49' 53 ' flathead. With a 12V system
    At this time I have 2x2's with the narrow belt W/Ps. thanks
     
  2. 210superair
    Joined: Jun 23, 2020
    Posts: 1,098

    210superair
    Member
    from Michigan

    My ac is where the genny was, and you can see my bracket here, though I can't tell you where to buy one....
    20200623_184232.jpg
     
    Flathead Dave likes this.
  3. BJR
    Joined: Mar 11, 2005
    Posts: 7,244

    BJR
    Member

    Can you afford to loose about 10 HP on a flathead? That's about 10%.
     
  4. Jack E/NJ
    Joined: Mar 5, 2011
    Posts: 685

    Jack E/NJ
    Member
    from NJ

    Nope. 60+ amps is only about 1hp on 12v. 1%.
     

  5. Dangerousdan
    Joined: Apr 12, 2018
    Posts: 276

    Dangerousdan
    Member
    from Arizona

    BJR, Thanks for your input. Running AC will take away from a source that is already low? But living in an area where AC is needed six months ayear is questionable.
     
  6. BJR
    Joined: Mar 11, 2005
    Posts: 7,244

    BJR
    Member

    Most of the sites I have looked at say an ac uses about 10 HP.
     
  7. Jack E/NJ
    Joined: Mar 5, 2011
    Posts: 685

    Jack E/NJ
    Member
    from NJ

    Sorry, I was referring to alternator load. Agree on AC load. 10HP sounds about right to me.
     
  8. Jack E/NJ
    Joined: Mar 5, 2011
    Posts: 685

    Jack E/NJ
    Member
    from NJ

    Hardly any belt wrap around those alt pulleys with air.
     
  9. Mr48chev
    Joined: Dec 28, 2007
    Posts: 30,185

    Mr48chev
    Member

    I can't figure out why you guys make such a big deal out of what few horsepower it takes to run a small Sanden Air compressor. If he needs what little extra power the AC takes he can always turn the AC off.

    That shoebox weights about 500 lbs more than my 130 hp Prism GSI did and while you knew the ac compressor had kicked in it didn't drag that little banger down much.

    These new compressors don't take near the power that those Delco A-6 units did. With one of those he might have an issue.
     
  10. Dangerousdan
    Joined: Apr 12, 2018
    Posts: 276

    Dangerousdan
    Member
    from Arizona

    Thanks for all the input. I think I was hoping that one of us can recommend a manufacture making the Alt/ Ac brackets.
     
  11. birdman1
    Joined: Dec 6, 2012
    Posts: 1,306

    birdman1
    Member

    nice looking motor.
     
  12. Try the link in post #8.
     

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