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  1. #16
    Join Date
    Apr 2007
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    Why do you have 2 trim pumps,never saw that before????

  2. #17
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    Grand Cayman
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    Quote Originally Posted by laser_ED View Post
    Why do you have 2 trim pumps,never saw that before????
    The second one is for the up/down cylinder on the 12” F1 midsection.

  3. #18
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    Most drag boats don:t use the 2nd pump once engine height is set,,,, save weight.....I forgot about the up and down.

  4. #19
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    Quote Originally Posted by laser_ED View Post
    Most drag boats don:t use the 2nd pump once engine height is set,,,, save weight.....I forgot about the up and down.
    Yep. I’m still playing with height, props, etc, and datalogging (since I have up/down and trim sensors) to see what works best. I may switch to an Ox swivel bracket assembly in the future once I figure all that out.

  5. #20
    Join Date
    Aug 2002
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    waterloo IN
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    Ben playing in the garage, ran the pump on the key with the regulator dumping into a can the pressure is 62#. All the fuel, return vent, ok. Going to put an Aeromotive on it. I haven't had time to do anything lately as my mom is on hospice and she has my full attention. Just out in the shop to try to take my mind off of it.
    You guys have given me a lot of ideas. Thanks.

  6. Likes stoker2001 liked this post
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