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  1. Replies
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    Think the part number is 11303

    Think the part number is 11303
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    It’s not a part number it’s a model number

    It’s not a part number it’s a model number
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    364

    The number on the mounting flange is 6h1

    The number on the mounting flange is 6h1
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    364

    Got a set of round bowl 90 cards 250 plus the ride

    Got a set of round bowl 90 cards 250 plus the ride
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    919

    This unit is to be considered “X class” power,...

    This unit is to be considered “X class” power, requires skill ....... carry on :cool:
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    One FT19s, fits SLT,

    One FT19s low hours, fits SLT, ready to bolt on
  7. Replies
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    factory is about .004 on cast pistons, a forged...

    factory is about .004 on cast pistons, a forged piston is going to grow more than the cast bullet when at running temp, so more clearance is needed, about .008
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    Sticky: Some one was bumping my mail box, best to catch...

    Some one was bumping my mail box, best to catch me hear ..... over
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    13,664

    😎 😎 😎

    😎 😎 😎
  10. Replies
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    factory CES is about 28cc, the head is porous so...

    factory CES is about 28cc, the head is porous so it maybe more or less, you are about at the end of pump gas at 28cc or 150 -155psi. there is no gobs of hp there, helps the snap on the low end
  11. Replies
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    yes, what are you lookin to do?

    yes, what are you lookin to do?
  12. i think a Yama pro50 t&t bracket will fit that

    i think a Yama pro50 t&t bracket will fit that
  13. Replies
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    409,441

    Sticky: .050 over cool, that...

    .050 over cool, that mite work:cool:
  14. makes the assembly weaker,the amount of gain is...

    makes the assembly weaker,the amount of gain is hard to measure ether way, cranks do not make horse power, or fly wheels, they just hang on for the ride, you get a similar effect by lighten the boat,...
  15. press cranks are good if set up right. lighting...

    press cranks are good if set up right. lighting of the assembly will only let it turn up faster, makes it jittery at low speed, less momentum is stored.
  16. Replies
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    Sticky: lookin like a merc bracket on there, i need a...

    lookin like a merc bracket on there, i need a bracket similar:cool:
  17. Replies
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    10,421

    it may be jacked up to high on the hull and it's...

    it may be jacked up to high on the hull and it's runnin out of water at speed. a water pressure gauge would help.
    you could strap the hull to the trailer and back it in the water and go at full...
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    Sticky: wow almost 200,000:cool:

    wow almost 200,000:cool:
  19. Replies
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    you want the end gap to run in the center of the...

    you want the end gap to run in the center of the finger port. it can be a bit off center , but not by much. you can have the end gap pins moved, so the end gap is always on the cyl wall ,adds cost....
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    no, factory seems to run a small, small bit fat

    no, factory seems to run a small, small bit fat
  21. Replies
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    the needle is for low speed adjustment, best to...

    the needle is for low speed adjustment, best to start with what size jet the factory used and go from there.
  22. never did find much under them plugs, sort out...

    never did find much under them plugs, sort out the compression issue, with out good compression there is no need to go to other stuff.
  23. Replies
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    make sure the power head gets to a runnin temp,...

    make sure the power head gets to a runnin temp, or she will bog down.
  24. Replies
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    not a small merc guy my self, but, air jets for...

    not a small merc guy my self, but, air jets for the most part are for low speed, pulling air in to the idle mix wile the throttle plate is closed or almost closed. the idle circuit flows through the...
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    off hand i would say no letter would mean air...

    off hand i would say no letter would mean air jet, 73 seems big for air
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    the letters tell which way the fuel flows through...

    the letters tell which way the fuel flows through them.
  27. Replies
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    stainless is weak, grade 2, the stock ones are...

    stainless is weak, grade 2, the stock ones are chrome plated steel, grade 5. the stainless bolts will react with the alu' and weld them self's together, = snap. nice lookin head, should be good to...
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    ya always used wiseco's, in every thing. would...

    ya always used wiseco's, in every thing. would have to see the head. carefull not to bottom out the head bolts and or to short is also a problem i've seen, eather one strips the case, torque on the...
  29. Replies
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    just a 70hp gasket set, on the rings, the stock...

    just a 70hp gasket set, on the rings, the stock ces pistons run a thin ring high up close to the crown, never could order them rings. on the ces head, with a nose cone on a tunnel inflatable it will...
  30. what is the comp now? last i knew 165 is there...

    what is the comp now? last i knew 165 is there biggest jet. how fast are you spinnin her at wot?
  31. Replies
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    there is a shim plate on the intake, it needs it...

    there is a shim plate on the intake, it needs it or the crank will hit the reed blocks and she will lean out and Boom,
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    90 carbs need a welded crank, round bowls need a...

    90 carbs need a welded crank, round bowls need a hole in the tray to fit, air box, choke plates, reed stops go in the trash. the intake needs to be opened to the size of the 90 carb base gasket,...
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    just lets it spin up a small small small bit...

    just lets it spin up a small small small bit faster, makes it jittery at low speed. ive never ran a 70 hub only, have ran a 50hp hub only, there is some clout to the idea that the ring gear...
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    i have sat about 3ft away from that style, turnin...

    i have sat about 3ft away from that style, turnin it into the 8's. only lightened the ring gear. it's when you clean off the alu, on like an OMC wheel, it weakens the hub, lowers the integrity of...
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    i never found a "70ces" manual, i used the...

    i never found a "70ces" manual, i used the factory 50,60,70, and 85,90hp manual for torque specs and such, stock 70hp ran more timin, also rev limited, regular stock timin set up will burn it down...
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    it's 18deg max, more than that and it will snip...

    it's 18deg max, more than that and it will snip the piston crown right in front of the exhaust window, stick the ring and drop the cyl.
  37. 20 deg max on a 56er , not goin to find that in a...

    20 deg max on a 56er , not goin to find that in a manual, when she falls on her face goin from low speed circuit to high speed circuit is a sign that she needs more fuel to make the jump, to get...
  38. Replies
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    if you are goin to drill them, dill in the...

    if you are goin to drill them, dill in the direction the fuel flows,
  39. Replies
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    stock 70ces makes 70 hp right about 64-6500 rpm....

    stock 70ces makes 70 hp right about 64-6500 rpm. the crank is the weak link
  40. Replies
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    the heads fit, the 70ces head runs a neg squish...

    the heads fit, the 70ces head runs a neg squish band, they ( the factory) run it fat out of the box. they all fit each other. a 70 ces is just a 70 with jacked exhaust and a cow bell tuna, you can...
  41. i gots an omc T&T bracket for that if you needs it

    i gots an omc T&T bracket for that if you needs it
  42. the 70hp bracket is bigger than the pro50, but...

    the 70hp bracket is bigger than the pro50, but that maybe ok for what you are tryin to do. not seein any advantage to that over a 3cyl omc 20" T&T bracket other than 3 wire over two wire.
  43. Replies
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    how much time is on the power head? how fast are...

    how much time is on the power head? how fast are you turnin it in rpms?
  44. Replies
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    18,378

    been takin notes from some dudes down under, they...

    been takin notes from some dudes down under, they run 56 six pack power heads ( seems there is a lot more parts to be had there) the FT 19s on the back of my Super Lite Tunnel stomps hole sale a$$,...
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    could be the gauge, they are all about even,...

    could be the gauge, they are all about even, thats what to look for, how do the piston skirts look through the exhaust port?
  46. Replies
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    heat them with a map gas torch. hot enuff but not...

    heat them with a map gas torch. hot enuff but not hot enuff to melt alu. yellow can.
  47. Replies
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    yes, you could comp' test it. that will let you...

    yes, you could comp' test it. that will let you know the head gasket is sealed up, and the leak is one of the other two. then pull the exhaust covers see what you can see.
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    that's just one i've sent out, the 6 pack power...

    that's just one i've sent out, the 6 pack power head is on the bench waitin on me to through some machine work $$$$$$$$$$$$$$$$$$ at it. did pick up some power head's so i can sift for a nice crank...
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    yes, ether of those could leak and wet it out,...

    yes, ether of those could leak and wet it out, exhaust is easiest so go there first, should be a tell tale spot were it's leakin in.
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    look at the bace gasket, and exhaust cover...

    look at the bace gasket, and exhaust cover gaskets. i'd pull exhaust covers have a look in there. right after i checked the fuel tank to see if any water in fuel.
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