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  1. Scott Danforth

    Mercruiser 5.7

    Your choice. $15 and 45 minutes worth of work. $300 and 30 minutes worth of work
  2. Scott Danforth

    Mercruiser 5.7

    Just buy a ring gear for $15 from any auto parts store
  3. Scott Danforth

    Changing colour of gelcoat question

    Nowhere near enough grinding. Should have gone another 2-3 mm deeper and about 8" out
  4. Scott Danforth

    Changing colour of gelcoat question

    Got a pic of how far you ground down before tabbing last time? Most people stop grinding too soon
  5. Scott Danforth

    Timing mod: running or not running engine

    It's up to you. Next you will be thinking OB conversions
  6. Scott Danforth

    Boats from work.

    Burgers are the worst, need ultra calm water to not get grease slinging from the shallow grease catch pan
  7. Scott Danforth

    Timing mod: running or not running engine

    I set dwell while cranking (cap of), and then rough in the timing, and adjust with motor idling. It's what was taught many years ago in highschool autos
  8. Scott Danforth

    Amana Fridge

    Defrost heater element?
  9. Scott Danforth

    Using hose adaptor on pivot cap

    No and yes
  10. Scott Danforth

    2014 GMC Sierra AC

    New switch came in. On my trucks, there is a Schroeder valve. Threw the pressure gauges on the system before. About 50 psi low on high side Swapped switch, added a few OZ of freon to get the pressure up to 250 (90 degrees) and it's been running and cooling for an hour
  11. Scott Danforth

    A couple more I/O questions...

    Nearly all Mercruiser had high warranty failures Highly suggested to follow the TSB and swap to the newer manifolds and elbows
  12. Scott Danforth

    A couple more I/O questions...

    The batwings were a cost savings idea to make the elbow and manifold as one piece. The truth is the castings failed killing the motors
  13. Scott Danforth

    Caffeine good for sleepy old guy ?

    a half a pot on the way into work. another 3-4 large cups . I tried not drinking coffee..... the court date is pending.
  14. Scott Danforth

    A couple more I/O questions...

    it does look like the one-piece Batwing motor killing exhaust manifolds.
  15. Scott Danforth

    Marine Sea Foam

    sea foam wont clean a carb. what RPM are you getting on the motor. if its running lean, that is a good way to toast a motor. I would use ring-free to make sure the rings are loose.
  16. Scott Danforth

    Gas guage

    gauges should not have constant power. they should be powered by the ignition circuit. however some gauge air cores do not move to 0 (home) on their own. @JPsanta verify if you have 12 volts on the purple wire on the back of the gauges with the key off.
  17. Scott Danforth

    soft layer glued to sides on inside of fiberglass boat?

    Acetone does little for the carpet glue I used a wire knot cup brush in the angle grinder to remove glue and a bit of fiberglass
  18. Scott Danforth

    Mercruiser 409 engine severe vibration issue

    its a mercruiser only block casting running the SBC pistons with a 4.035" bore (max you can go in the block) and a 4.0" stroke. its running a holley throttle body because Mercruiser did not want to use the GM LS motors Rod ratio is horrendous, and the crank requires a custom flywheel (like...
  19. Scott Danforth

    Mercruiser 409 engine severe vibration issue

    something is most likely wrong with the base engine level. did they use the old flywheel vs the flywheel on the 409? as AD asked, what was there prior to the 409? there should be no vibration strong enough to shake a coffee cup or brake sea water pump fasteners. did you mechanics do a power...
  20. Scott Danforth

    How would a compromised bellows sink the boat?

    the exhaust bellows will not sink your boat, however the u-joint bellows can given time, or a bad y-pipe to transom shield seal. water will make it past the shaft to bearing surface, and end up in the bilge. add any corrosion or poor machining and it flows that much faster. Volvo is better at...
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