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  1. Scott Danforth

    3.0 mercruiser valve adjustment

    gm cranking spec for a 3.0 is 150 psi its a 9.4:1 compression engine
  2. Scott Danforth

    Tire Pressure

    my favorite winter vehicle was an RX7 with a transplanted 3.4 V6 from a camaro. Ran Dunlop Graspic DS1's it actually out-handled the Minnesota state patrol on icy roads with their over-priced blizzaks. second favorite was a modified Audi Q90 running Graspic DS1's with the rear diff control...
  3. Scott Danforth

    3.0 mercruiser valve adjustment

    zero lash is the absence of movement up and down with your fingers 3/4 turn past zero lash zero lash is not the absence of ability to spin. you can spin the push rods up to the point you start to compress the spring 130 psi across the board means your motor is low on compression. new and...
  4. Scott Danforth

    Boat Eye Hook rusted nuts - how to remove

    first, try a new pair of vice-grips. not the crusty old ones with worn teeth if within 2 minutes, you get nowhere, a cut-off wheel in the 4.5" angle grinder, remove and replace not worth spending more than 2 minutes on a $10 part.
  5. Scott Danforth

    Hand Gun Safe

    https://www.tractorsupply.com/tsc/product/gunvault-minivault-1000s-standard-pistol-safe-1039767
  6. Scott Danforth

    Ground location 90 omc cobra 2.3l

    the other end should go to the battery ground by the looks of the cable, you need a new one
  7. Scott Danforth

    Tire Pressure

    you can keep the snow. too many people out there that never learned to drive in snow with a manual trans/v8/rear drive while saying "hold my beer" and it shows....
  8. Scott Danforth

    Tire Pressure

    51 psi on a tire rated at 51psi your fine...... drink a beer, go boating
  9. Scott Danforth

    Second Happiest Day . . .

    How old are you looking with the right gear ratio, you can tow well over 17k https://www.ramtrucks.com/assets/towing_guide/pdf/2017_ram_3500_towing_charts.pdf https://www.ramtrucks.com/assets/towing_guide/pdf/2016_ram_3500_towing_charts.pdf...
  10. Scott Danforth

    Trying to date this photo by the age of the boat...

    could be either. even if the boat is a 40's vintage, could have been taken in either year. not enough information in the picture to put a year to it.
  11. Scott Danforth

    1977 Mark Twain Worth It?

    if the stringers are rotten, you will find the transom is rotten
  12. Scott Danforth

    91 Four Winns 285 5.0 Cobra OMC out-drives

    I would do a test drill or two I am willing to bet the transom is getting soft.
  13. Scott Danforth

    Volvo Penta AQ140 water coming out of carbs.

    Clean the water out of them first
  14. Scott Danforth

    Motor only fires up when key is turned to off

    did you replace the key switch at any point? your motor needs an outboard key switch (magneto ignition)....shorts to ground to kill, open to run sounds like you have a powered ignition key switch.... open to kill, connect +B to ign to run
  15. Scott Danforth

    Exhaust overheat on 4.3 gxi

    see post #2 the higher manifold is always hotter, especially while on the trailer and on muffs
  16. Scott Danforth

    winterizing question

    condensation doesnt need a motor, just a big old chunk of iron (or concrete, etc) and a temperature change if you store your boat (or car or machinery, etc) in a 0% humidity environment, then you would get no condensation (internal and external) and it wont be a problem however since we do...
  17. Scott Danforth

    I think this means water intrusion

    3/8-16 drive empty best off the boat (so you can use soapy water to find leaks)
  18. Scott Danforth

    Livorsi Tach/Hourmeter

    Because it would be cheaper to make and easier to integrate for a small shop. Mike Livorsi's operation is all in-house. he buys the tach movements and the hour meter movements, however does the machined bling work in-house along with the assembly especially going back to 1999 for the boat...
  19. Scott Danforth

    Exhaust overheat on 4.3 gxi

    was your boat sitting completely level? as in perfectly level? if not, the lower manifold gets more water than the higher manifold completely normal when boat is on a trailer
  20. Scott Danforth

    I think this means water intrusion

    The crackle test is a standard laboratory test to detect the presence of water in lubricating oil. A drop of oil is placed on a hotplate that has been heated to approximately 400° F. The sample then bubbles, spits, crackles or pops when moisture is present.
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