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  1. M

    WTB: Mac 67 bone stock, like new, for 1/8 scale.

    If the price is right looking for like new Mac 67 bone stock for a 1/8 scale.
  2. M

    Been away for awhile is the AA 67 ready for sale yet?

    Just hoping that maybe the AA 67 is in production? Been away for a while. Thanks Mike
  3. M

    Lookin for 447/3

    Anyone have a octura 447/3 uncut not modded? Aeromarine has them for 15 and change but theyre out.
  4. M

    WTB P/S for CMB cam 67 gold head

    Looking for a piston & sleeve for a cmb cam 67 gold head unused and stock. Thanks Mike.
  5. M

    mac 67's inboards

    Been out of the hobby for 6 1/2 years. When did they quit making mac 67's? Do they still make parts? I've seen new cmb 67 HR's, is that the only current new 67 made now?
  6. M

    Picco P-67

    Never had a picco P-67 blue head till now I just got one used. Are they as durable as a MAC 67? Engine I got has everything brand new inside.
  7. M

    WTB octura X 447/3

    Octura X447/3 uncut. Anyone have one to sell?
  8. M

    prop swap x455/3 for x447/3 unmodified/cut

    Looking to swap my octura x455/3 balanced and sharped but not modded or cut, for a octura x447/3 3/16" shaft size thats not modded. My prop's only had 1 lap around.
  9. M

    Greendale Indiana, small group of boaters.

    Just wondering if anyone on here use to run boats in Greendale Indiana behind the shell station on RT. 50? It is now an oxbow. This has been years ago but hoping they was still around.
  10. M

    WTB unused p/s con rod & needle bearings

    Looking for a piston/sleeve, con rod and needle bearings for a CMB cam 67 gold head in unused condition.
  11. M

    Getting back into boats after 6 1/2 year break.

    Been out of the hobby for a 6 1/2 year break and looking to re-wet my feet pun intended. I can't believe the lack of 45 and 67 nitro engines and parts on ebay. Has a lot of people gotten out of nitro? To me nothing else compares to the sound and smell of nitro thats half the enjoyment!
  12. M

    Cmb cam 67 gold head

    Switched over a cmb gold head to single plug. Whats a good head clearance to run with 20% nitro? The more nitro the more clearance needed? Thanks Mike
  13. M

    Sport runners that run 20% W/ 67 size motors

    Hey sport runners that like to run on 20% nitro. Whats a good plug to run a 67 size motor? I was using mc59 but they seem to be delicate and blow easy. Thanks Mike.
  14. M

    CMB 67 gold head twin plug

    Looking to see if anyone knows what type of head/button I need to change over to single plug from the dual plug? I had 4 tanks through the new engine before a 6-1/2 year break from the boats and now I'm looking to re-wet my feet again, pun intended. Both plugs blew when I gave her wot on the...
  15. M

    cmb 67 gold head break-in

    Got 4 tanks of fuel thruogh it on rich needle leaning out 3 clicks each tank with no more than half throttle on new engine until 4th tank gave full throtle and went lean,it quit. Took out plugs and elements were twisted and won't light on both plugs. I'm using 20% redmax w/2%castor oil...
  16. M

    new to inboards,please help

    I,m new to the inboards and have a cmb 67. I'm having trouble tightening the flywheel nut, before it gets tight the motor turns over and won't allow any more tightening. Thought about putting a dowel rod into exaust to stop engine turn-over but afraid to bend con rod. Whats the trick?? thanks a...
  17. M

    finally got the cmb 67 gold head to run

    Well guys I finally got the cmb 67 gold head to run! I tried every thing you guys said and then some to no avail. Since there was nothing left to try, I tried to start it backwards (clockwise) and it fired right up! I called Bobby @ cmb (real nice fellow) and the only thing left he could think...
  18. M

    Formula one prop?

    I've been searchin all over the web for an up to date site of the formula one prop with a tv schedule but no luck. Hydroprop has one cheesey page but know recent info. Any info would be great. thanks, Mike.
  19. M

    need help 7.5 octura OB mount

    I'm having some problems with the fit of the 7.5 octura mount for the k&b pro OB. It claims to fit right up but the center peice that holds the pin to the lower unit has like a 1/32" up and down play. I was using a dubro but it snapped (junk). The octura puts the engine back a little over 1/4"...
  20. M

    more harm than good

    After I get done running for the day (k&b 7.5 pro otbrd) I disconnect the fuel line to carb and start the engine to burn off the fuel inside the engine and it revs real high going lean and running out of fuel, am I doing more harm than good? After that I flush w/ wd-40 then marvel MO. thanks, Mike
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