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  1. Bearing suppliers that have quality bearings not Chinese

    looking for 6202C3 15mm bore x 35 mm OD x 11 mm thick ball bearings for my Yamato Y80 gear case. They are readily available but not sure of quality since made all over the world. Any leads on...
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    Yep, here are the Foo Ling details Sheet 1...

    Yep, here are the Foo Ling details

    Sheet 1
    http://www.boatsport.org/PDF/fooling1watermark.pdf

    Sheet 2
    http://www.boatsport.org/PDF/fooling2watermark.pdf
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    Ron Right on target those posts have no place on...

    Ron Right on target those posts have no place on this site.
  4. I assume by after market you mean fiber reeds?...

    I assume by after market you mean fiber reeds? For your service engine the SS will do very well. Just make sure no pits or other bad spots on them. I am not familiar with the reed set up in your...
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    Thanks all, before heat I tried acetone on a...

    Thanks all, before heat I tried acetone on a cotton swab and several dabs to keep brass head area wet and it softened enough to loosen the tube.
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    Tillotson KC carb question

    Working on a NOS Tillotson KC16A (same design as KC15A and other KC's and KA's). The idle tube on these carbs are secured into the body from the factory with a hard reddish sealant on the threads....
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    Charlton pics: Page 16 lower left Skip Ritter...

    Charlton pics:

    Page 16 lower left Skip Ritter in a BSH Charlton 525F

    http://www.boatsport.org/magpdf/bsv42.pdf

    Page 14 lower left Dutch Stossel DSH Charlton, also page 15 bottom 5 A stock...
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    Check with the mod racers some may use the Y80...

    Check with the mod racers some may use the Y80 with pipes and have modded the engine per rules
  9. Thread: Octane levels

    by zul8tr
    Replies
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    https://www.sunocoracefuels.com/tech-article/beyon...

    https://www.sunocoracefuels.com/tech-article/beyond-octane
  10. Back in the days of Hal Kelly B class race boats...

    Back in the days of Hal Kelly B class race boats transoms were about 13-3/4" for his Fooling, Airborne, Wetback and Jupiter. The KG7H and 20H engines measured about 16-3/4" (18-3/4" with Q tower)...
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    Yep sad. In addition to for aft restraint need...

    Yep sad. In addition to for aft restraint need orbital launch restraint.
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    Some put bumpers at the front on these lake...

    Some put bumpers at the front on these lake runner set ups. With race type trailers that are different than what is in this tread the stacking of boats is different to allow tie backs to the trailer....
  13. Thread: Octane levels

    by zul8tr
    Replies
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    1,756

    I don't know about the 2 engines noted but on the...

    I don't know about the 2 engines noted but on the Mercs and Yamatos I have measured (25ss, 30H, 55H, Yamato 80, 102 & 302) the compression ratio with cylinder volume relative to the top of the...
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    Jim Sent you a PM in response to your PM. Note...

    Jim
    Sent you a PM in response to your PM.
    Note on the steering with tie back cable set up and 3.5" drum the effort to turn will be reduced but will take more wheel arc to go through a defined turn...
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    Look on page 35 for the new for 1958 Swift Big D...

    Look on page 35 for the new for 1958 Swift Big D

    http://www.boatsport.org/magpdf/bsv64.pdf


    Your # UHD11206358114

    Note in the add the serial number UHD112 was a designation for the Swift...
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    That is a nice restored Swift Big D and looks in...

    That is a nice restored Swift Big D and looks in great shape for the year. I do not know how to interpret the Swift serial #'s. My guess is a later Swift like 57 or 58 with the long front cowling ...
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    Back then with letter to right he was in Stock,...

    Back then with letter to right he was in Stock, photo at top of this post is a Pro letter designation. What stock class was that back in 1983 ?
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    The name on the boat is spelled Hanson is that...

    The name on the boat is spelled Hanson is that the way Andy spelled it?
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    Looks like Craig Craft maybe a copy 4 sale

    and it needs a lot of refresh with new Ocume plywood at least topside and maybe under? Hanson painted on the rear deck, builder, driver?
    ...
  20. Since Modifiedoutboard asked " Ever wonder what...

    Since Modifiedoutboard asked "
    Ever wonder what a real port map looks like? Need one to run Dynomation Simulation"
    Sounds like he needs a port time or port area map for the program? Doesn't the...
  21. Dynomation Simulation program is for 4 strokes is...

    Dynomation Simulation program is for 4 strokes is that what you are working with ?

    If you want info on 2 strokes port time area map in link below press "Theory" button and go to section 4. for...
  22. Don't know about Yamis Pyramid style reed cages...

    Don't know about Yamis Pyramid style reed cages but the old doughnut Merc reed cages (55H, 44xs, etc) are prepped with pretty course paper in a 90 degree cross pattern (used by Jerry Wienandt racer &...
  23. Thread: 1976

    by zul8tr
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    Would be nice to finish the 70's decade!

    Would be nice to finish the 70's decade!
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    No starts May 15. This link works now ...

    No starts May 15. This link works now

    https://www.mecum.com/auctions/indianapolis-2018/collections/jim-street-estate-collection/
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    Very good speeds with a 30hp engine. What year...

    Very good speeds with a 30hp engine.
    What year is the Yami (2 stroke or 4 stroke) has it been modified, what was done if modded?
    What pitch prop, gear ratio and rpm on the engine for those speeds?...
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    Anything is possible but probable is different....

    Anything is possible but probable is different. You can do a sharp turn at a lower speed and chine grab it and barrel roll. 80 mph is not slow so be careful and drive in the moment and don't get to...
  27. Thread: Old Neal racer

    by zul8tr
    Replies
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    4,087

    Service KG7 will be a slug for you on a 14"...

    Service KG7 will be a slug for you on a 14" transom probably in the 30mph range, IMO not much thrill but a thrill for some I would spend money on a better engine for thrill? If you want closer to...
  28. Thread: Old Neal racer

    by zul8tr
    Replies
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    4,087

    Lots of answers here and many preferences, most...

    Lots of answers here and many preferences, most use the expensive West System epoxy that has several resin and hardener types available . I have used several including West. I like the simple 1:1 mix...
  29. Thread: Old Neal racer

    by zul8tr
    Replies
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    4,087

    Did that earlier and NADA just did it again and...

    Did that earlier and NADA just did it again and WALA will review it, TKS
  30. Thread: Old Neal racer

    by zul8tr
    Replies
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    4,087

    My Google search, not available for a read just...

    My Google search, not available for a read just purchase
  31. Thread: Old Neal racer

    by zul8tr
    Replies
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    4,087

    Dutchman Patch

    Finally got the computer to cooperate with uploading pics that failed yesterday, Ron Hill helped, thanks. Here are the Dutchman patch pics I did on my 4mm ocume hydro deck.

    Pics came out of order...
  32. Thread: Old Neal racer

    by zul8tr
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    With a short boat 8'-8" it is limited on the...

    With a short boat 8'-8" it is limited on the engine that will work. You mention KG7H (1952 - 1953) and 20H (1954 -1956), 20H more expensive of the two. The KG7H being older would be the better choice...
  33. Thread: Old Neal racer

    by zul8tr
    Replies
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    4,087

    Dutchman Patch

    Here is a Dutchman patch I did on the 4mm Okume deck of my hydro.

    #1 is cut out the bad area, shape of cut to suit
    #2 provide support for the Dutchman patch, I preferred just strips epoxy glued....
  34. Thread: Old Neal racer

    by zul8tr
    Replies
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    4,087

    Skip the polyurethane used on floors, it is...

    Skip the polyurethane used on floors, it is labeled for interior use on the can and will not be good for that race boat.
  35. Thread: Old Neal racer

    by zul8tr
    Replies
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    Your welcome About at 6am this day I posted...

    Your welcome

    About at 6am this day I posted about a Dutchman patch with pics how I did it on the thin 4mm plywood deck of my hydro. Also described the varnish I use which is Minwax Helmsman Spar...
  36. Thread: Old Neal racer

    by zul8tr
    Replies
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    4,087

    Great on being flat. That is a heavy boat for the...

    Great on being flat. That is a heavy boat for the size and you at 290 respectfully might find it has a performance handicap. These race boats are sensitive to weight and its location. However still a...
  37. Thread: Old Neal racer

    by zul8tr
    Replies
    36
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    4,087

    A dutchman patch is a means to repair a damaged...

    A dutchman patch is a means to repair a damaged area while preserving the original contour by first cutting out the damage to any shape desired and trial fitting a new piece to fit the cutout. With...
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    Shimming the internals of the gear box if for...

    Shimming the internals of the gear box if for correct gear lash for proper tooth contact. When set to proper tooth contact and lash that's it. More lash than spec just might damage the gears. Run...
  39. Thread: Old Neal racer

    by zul8tr
    Replies
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    4,087

    I forgot an important dimension the vertical...

    I forgot an important dimension the vertical distance from the rear bottom planning surface to the outside (rearward) top corner edge of the transom motor board. At 8'- 8" that is a small boat and...
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    I didn't suggest a LWP? As for re-shim are the...

    I didn't suggest a LWP? As for re-shim are the gears not meshing correctly or improper gear lash? Can't you just profile the bullet and reduce the diameter a bit? Diameter effects drag, smaller...
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    What kind of gear case ? Paint remove and polish...

    What kind of gear case ? Paint remove and polish up aluminum, shave bullet diameter and true up the profile to match both sides, put a point on the bullet, put a crescent lead edge on front up-right...
  42. Thread: Old Neal racer

    by zul8tr
    Replies
    36
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    4,087

    The plugs stay in when on the water they are...

    The plugs stay in when on the water they are pulled when on land to drain accumulated water. Those planked bottom hydros did leak until the wood swelled some and were a constant maintenance to keep...
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    If you didn't know this the Clark Craft Wetback...

    If you didn't know this the Clark Craft Wetback and Jupiter were designed by racer/builder Hal Kelly as were some other race boats from CC. As for other designers of the vintage era chances are slim...
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    If he goes with the Clark Craft Wetback or...

    If he goes with the Clark Craft Wetback or Jupiter and buys their frame and plywood kit they use fir or pine plywood and the boats are too heavy and those plywood's require glassing to keep the grain...
  45. Thread: 1972

    by zul8tr
    Replies
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    6,530

    Hope to see 1972 finished and moving on to 1976 ?...

    Hope to see 1972 finished and moving on to 1976 ?
    Thanks
  46. Look on manual numbered page 17 in your link for...

    Look on manual numbered page 17 in your link for weights in stock hydro and runabout.

    For Mod hydro see manual numbered page 5 under General rule 4:
    ...
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    Sticky: Alan from parts page for 30H and 55H the P# is...

    Alan from parts page for 30H and 55H the P# is 21906 for the co pilot disk.
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    Sticky: At a recent AOMCI meet in Winter Haven I was...

    At a recent AOMCI meet in Winter Haven I was looking over Frank Erions trays of stuff for recoil pawls and came across a tray full of the co pilot disks.
  49. Some rigs from the past in Region 10, photos by Hugh Entrop and Bob Carver

    Racers having fun 60's and 70's:
    (1) Marchetti with one of those top heavy engines,
    (2) Spaghetti junction,
    (3) Ready for take off,
    (4) 4cyl mated with megaphones and tuned pipes how did that...
  50. Thread: 1972

    by zul8tr
    Replies
    34
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    6,530

    Racingfan1 sent you a PM

    Racingfan1 sent you a PM
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