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Thread: HMMMMMM

  1. #1
    Mpeavler's Avatar
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    HMMMMMM

    86 MM 65U
    Porting by reputable Woody/TJ/Lowell/Lamey
    VF3 Reeds
    13/21 J prop "Impros"
    Ported cases
    46-48mm carbs
    210 PSI
    Riva CDI
    = xxxxxxxxx Speed
    ______________________
    7X+ MPH something

    cost....$$$$$$

    Rewards


  2. #2
    Here come the smokers! OBXJeepGuy's Avatar
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    Get on the water, and finish that equation!

  3. #3
    Mpeavler's Avatar
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    I've been on the water


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    Flying Scotsman's Avatar
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    Nice try

  5. #5
    Mpeavler's Avatar
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    Was a question on speed.....not that I'm running that


  6. #6
    Flying Scotsman's Avatar
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    then throw in a stroked crank as well and some spray

  7. #7
    Mpeavler's Avatar
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    Just curious to the limits of the 65U w/out pipes and or stroked crank..... Noticed the porting from a reptuable person statement. I guess I'm just curious out there what is the limit for the package without going to the NON OEM cases/cylinder.

    The statement does not include folks running stokers and or Pilo who really does not have a 65U engine since it's a rare almost "one off" engine

    =0)

  8. #8
    Here come the smokers! OBXJeepGuy's Avatar
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    Ohhhhhh....

  9. #9
    Mpeavler's Avatar
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    My current set up

    84.5 MM pro-x pistons
    Tim Judge ported Pump gas cylinder
    Dan Lamey Ported cases
    Mikuni 46mm carbs W/ F/A
    VF3 reeds
    Riva CDI set on MOD 1
    Port matched R & D intake by Tim Judge
    ADA girdled head running 155psi
    Billet Couplers
    63M Raider exhuast
    Solas XO prop
    Pro-tec Intake grate
    Fuel pressure liquid gauge
    Pet 2100DX tach
    5 Degree GP1200 nozzle
    BR8ES plus
    Amsoil 32:1

    I would suspect I'm putting about 155hp

  10. #10
    Mpeavler's Avatar
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    Fill in the blank

    Stock 65 U GP1200 engine = 135hp

    GP1200 w/ Tripple pipes "no porting" = 155 hp ?

    GP1200 single pipe with porting "pump gas" = 155hp ?

    GP1200 Big bore 85.5- 86.0 mm = 150hp?

    GP1200 Big bore Flat top 85.5- 86mm = 160hp?

    GP1200 single pipe w/ Race porting = 150hp?

    Gp1200 tripple pipe w/ big bore 85.5-86mm = 175hp ?

    GP1200 Big bore 85.5- 86.0 mm w/ porting "pump gas" = 160hp ?

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