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  1. Scott Danforth

    Building a 50's OMC powerhead, to hone or not to hone?

    any used block bore to to make the cylinders round again hone to spec then buy pistons
  2. Scott Danforth

    5.7L 1984, Rough idle at start up, then ok after a minute or so

    Most likely leaking Q-jet welsh plugs and misadjusted choke Would explain the black soot
  3. Scott Danforth

    Engine idle RPM

    About 40-50 RPM
  4. Scott Danforth

    Craigslist /marketplace or junkyard for donor motor?

    I have had much worse......
  5. Scott Danforth

    '84 Aquasport osprey 19.5' - Good boat?

    boat may have been great boat 28 years ago however Aquasports are known to need full restorations as the transom, stringers and deck get soft so, for a 28 year old boat..... is it good.... based solely on condition. FWIW, Boston Whalers suffer from wet foam after a while and no longer are...
  6. Scott Danforth

    Craigslist /marketplace or junkyard for donor motor?

    could have just unbolted the automotive circulating pump, as it should not be used with raw water cooled engine. then you dont have the fan or the pump
  7. Scott Danforth

    Channel Lock Stuck In Distributor?

    Use a light and look closer. You need to clean the notch of broken rotor bits
  8. Scott Danforth

    Red Tide

    its bad just north of the skyway
  9. Scott Danforth

    How to test for spark without cranking engine ?

    as long as you prime the oil system, used assembly lube during the build and pre-filled the lifters with oil, you can crank it. however based on post #4, its running.
  10. Scott Danforth

    Second Happiest Day . . .

    arsenic is no longer used in thread, foam, vinyl or wood treatment for anti-microbial. so todays product is not as good as the products from 15 years ago.
  11. Scott Danforth

    Internal Coolant Flush and Winterizing VP 4.3 GXI-BF

    also good idea to pull the HX end caps and clean out the debris in the tubes
  12. Scott Danforth

    Compression test results 4.3L V6 2005 what do You think?

    or simply use an electric impact. crack all the bolts loose, then with your dominant hand, grab the manifold, with your non-dominant hand, use the electric impact to zip off all the bolts to assemble, just line up the two outer bolts, and drop the gasket in place (the outer holes are slotted...
  13. Scott Danforth

    1977 Sunray SV170 Restoration

    I usually take 3/4" plywood and contour the hull in 4 or 5 places and tie it all together with 2x4's something like this pic borrowed from the interweb
  14. Scott Danforth

    Starboard Trim Tab

    most likely your actuator plastic bits inside are shot
  15. Scott Danforth

    What advice on renting a room out?

    case in point it took my mother and sister 7 months of court orders to get my brother to leave mom's house. he would not leave, had no job, smoked weed and other things and was a general slob. He also would not be physically around when the LEO's were called and ignored all eviction notices...
  16. Scott Danforth

    Compression test results 4.3L V6 2005 what do You think?

    new engine cranking compression numbers for a 2005 4.3 are published at 150 psi by both GM as well as Mercruiser and VP I suspect the gauge is off, and cylinder 5 has a manifold leak and rust on the valves.
  17. Scott Danforth

    1977 Sunray SV170 Restoration

    you should have built one prior to removing the old stringers
  18. Scott Danforth

    1977 Sunray SV170 Restoration

    I suggest you build a cradle.
  19. Scott Danforth

    T-Connector Between Block & Knock Sensor?

    as long as its metal, it will transmit sound. same principle as using a screw driver to your head to "hear" mechanical noises when troubleshooting.
  20. Scott Danforth

    4.3 Starter mount area cracked

    or a salt water motor that was neglected. either way, that motor is coming out I would swap over your accessory drive, electrics, etc. however buy new manifolds/elbows
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