Harris Marine Forum - Cool Stuff

  1. Mike
    Mike

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    We know we lose some power with current water jacket manifolds, (have tested on the dyno) But there has been little option.
    So here is what I am trying to do, these are a screen shot of a LS one that the pattern maker has done, Still water jacketed but nicely flowed. Its not cheap but the result is awesome with equal length runners. If it goes ahead they will be nice and light and well priced due to the lower machining time/cost

    Attachments

    1. 3-1.jpg (118 KB, 1 downloads) 7 years old
    2. 2-1.jpg (67.8 KB, 1 downloads) 7 years old
    3. 4.jpg (160 KB, 1 downloads) 7 years old
    Posted 7 years ago    #                  
  2. tuidorg
    tuidorg

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    i believe the Fox does not want a pair, but i'll take a set please :big_smile:

    Posted 7 years ago    #                  
  3. Mike
    Mike

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    Im sorry but you credit card declined :haha: :haha: :horror:

    Posted 7 years ago    #                  
  4. Mike
    Mike

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    again :haha: :haha: :haha: ...

    Posted 7 years ago    #                  
  5. tuidorg
    tuidorg

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    Mike - 5 days ago  » 
    Im sorry but you credit card declined :haha: :haha: :horror:

    damn that mr fox!

    Posted 7 years ago    #                  
  6. swifty
    swifty

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    What sort of price will these be? Any guessermates?

    Posted 7 years ago    #                  
  7. Mike
    Mike

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    We wont know for sure until they are done, but should be around the same price as the others.

    Posted 7 years ago    #                  
  8. Mike
    Mike

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    We are going ahead with these and hope to have the patterns done within the next few months :big_smile:

    Posted 7 years ago    #                  
  9. swifty
    swifty

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    Mike - 4 months ago  » 
    We are going ahead with these and hope to have the patterns done within the next few months :big_smile:

    Is there a set currently under trial or are the patterns still being made ? :big_smile:

    Attachments

    1. ls_exhaust_1.jpg (7.5 KB, 0 downloads) 7 years old
    Posted 7 years ago    #                  
  10. Mike
    Mike

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    No not as yet

    Posted 7 years ago    #                  
  11. Mike
    Mike

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    Looks like they are under way :big_smile:

    Posted 7 years ago    #                  
  12. Mike
    Mike

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    Just a quick update, We are full steam ahead with the manifolds and the plan is to be in production late Dec/jan

    Mike

    Posted 6 years ago    #                  
  13. Mike
    Mike

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    unfortunately the progress on these stalled, so we have a new pattern maker on to it with the drawings being done by a real jetboater who is in to the LS motors in a big way :exciting: here are the drawings now in the hands of the pattern maker

    Posted 6 years ago    #                  
  14. Mike
    Mike

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    :big_smile:

    Attachments

    1. LSX_Swept_Manifold_4_Views_R1-001.JPG (25 KB, 1 downloads) 6 years old
    2. LSX_Swept_Manifold_ISO_3_R1.JPG (35.2 KB, 1 downloads) 6 years old
    3. Manifold_Rendered_R1.JPG (32.7 KB, 2 downloads) 6 years old
    Posted 6 years ago    #                  
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    Eddie

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    They look way better than the other manifolds out there, one piece would be a big improvement as well. You'll probably get some interest from the guys in Canada etc., is it possible to cast your logo into them for free advertising?

    Posted 6 years ago    #                  
  16. Mike
    Mike

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    Hi Eddie, Once we work out what to call them then we will have that put on them :big_smile:

    Posted 6 years ago    #                  
  17. Tony737
    Tony737

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    Now that's pretty!

    Posted 6 years ago    #                  
  18. tuidorg
    tuidorg

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    Tony737 - 2 days ago  » 
    Now that's pretty!

    yep Purdy!

    Posted 6 years ago    #                  
  19. Mike
    Mike

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    We are preparing the first set now , here is a cut away showing the inside and the jacket, the view into the manifold shows the true merge collector

    Attachments

    1. 2012-12-04_15-01-39_429.jpg (183.2 KB, 3 downloads) 5 years old
    2. 2012-12-04_15-02-58_843.jpg (132.4 KB, 1 downloads) 5 years old
    3. 2012-12-04_14-55-01_319.jpg (148.6 KB, 1 downloads) 5 years old
    Posted 5 years ago    #                  
  20. Mike
    Mike

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    First set test fitting :big_smile:

    Attachments

    1. 2012-12-05_16-32-31_869_(Large).jpg (252.1 KB, 1 downloads) 5 years old
    2. 2012-12-05_16-32-17_169_(Large).jpg (254.4 KB, 4 downloads) 5 years old
    3. 2012-12-05_16-32-10_789_(Large).jpg (262.5 KB, 1 downloads) 5 years old
    Posted 5 years ago    #                  
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    semojetman

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    Those are some awesome manifolds.

    I am putting a 6.0L Vortec in my 18 footer and will be in need of some manifolds.

    If these are priced close to some of the others ive seen id rather have these for looks alone.
    The great flow would be a plus too.

    When are they going to be available?
    If it was told and i missed it, i apologize.

    Posted 5 years ago    #                  
  22. Mike
    Mike

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    They are in production now as we are very happy with the first full set, We are taking orders but need to work through a back log and we can only get a few more sets from the foundry before Xmas, The price should be around the price of our old ones I will have an exact price next week :big_smile:

    Posted 5 years ago    #                  
  23. Mike
    Mike

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    We tested the first set in one of our River Pro boats with LS1 and southern jet 8 1/4 two stage and the results are outstanding the manifolds are awesome and look cool to boot. We are only guessing about just how much power we have gained with these new manifolds but early testing is very good. With this jet and these impellers we would expect the motor to rev to 5200/5300rpm on a 2nd hand LS1, today we pulled 5500rpm on that set up with noticeable increases in punch.
    We will dyno test in the new year, VERY VERY HAPPY and makes the last year or so of being told it is too hard to do well worth it :big_smile: :big_smile:

    Posted 5 years ago    #                  
  24. Tony737
    Tony737

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    I was kindly invited to have a test drive of this boat today, boat goes very well! lots of punch, owner will be very happy.

    Mike, do you do trade in's on manifolds? :exciting:

    Posted 5 years ago    #                  
  25. Mike
    Mike

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    Dont worry Tony, The cam package will sort matthew :amazing:

    Posted 5 years ago    #                  
  26. Mike
    Mike

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    The last delima with the manifolds is what to call them :grimace: :grimace:

    So we are going to run a competition, NAME THE MANIFOLD, We will run it over the Xmas new year break and if we use a name put forward the winner can choose between a new sand trap or two tins of slide...so put the thinking cap on and come up with a cool name :big_smile:

    Posted 5 years ago    #                  
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    Shayne

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    How about "HARRIS XTREME" or "XTREME FLO" .
    :victory:

    Posted 5 years ago    #                  
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    gouldy

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    How about flo pro :big_smile:

    Posted 5 years ago    #                  
  29. Mike
    Mike

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    Extreame flo has potential :big_smile:

    Posted 5 years ago    #                  
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    gouldy

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    How about power flo or hp flo :big_smile:

    Posted 5 years ago    #                  

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