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  1. Scott Danforth

    Sensor 496 HO 2007

    You can also look at the exploded parts views on the on-line Mercruiser parts sites
  2. Scott Danforth

    Aq271 Tacho issues

    The alternator will be woefully inaccurate. First the Valero alternator is not that good. Second, the brackets don't keep the belt tensioned enough Reading off the coil is the best way. You could have a bad tach (new doesn't equal good) Did you disconnect the rev limeter? Its a little...
  3. Scott Danforth

    1990 Chris-Craft Concept 4.3 OMC Cobra PLEASE HELP

    Some light reading See the bottom of the post in this sticky for a factory OMC manual https://forums.iboats.com/threads/boat-manuals-owners-manuals.770690/ And since none of the documentation from the OMC era survived the multiple company sales of Chris Craft to the company it is today...
  4. Scott Danforth

    Aluminum pitting repair

    You may need to. Cut out the corrosion, and weld in good metal. Depends on how much corrosion is on the back side
  5. Scott Danforth

    1984 stingray svb cap removal

    Did you cut the sealant between the cap and hull (under the rub rail)?
  6. Scott Danforth

    Manual jack plate starting height

    The twin hulls channel water up into the tunnel, filling the tunnel The prop in this case is 13-14" above the water line, however fully in the water in the tunnel
  7. Scott Danforth

    Overheat after high RPM run 350 MPI from 2001 with bravo one

    Even with impeller in drive, use the muffs
  8. Scott Danforth

    Mercury MerCruiser Service Manual #15 ('89-'92 V8 Engines)

    legally its copywrited material. only available from brunswick
  9. Scott Danforth

    mercuiser 888 wont idle below 1000 rpm

    so you have a fresh water cooling heat exchanger. then there should be a 70C themostat vs the 60 with a raw water cooled motor stick with stock curve from mercruiser. 20 degree advance. 4-6 degrees of base timing however what you are describing is an automotive distributor.
  10. Scott Danforth

    mercuiser 888 wont idle below 1000 rpm

    And we get it right, not like NASA I can even measure velocity in furlongs per fortnight
  11. Scott Danforth

    Tips On Replacing Starter

    And NAPA, and all marine shops and all starter/alternator shops
  12. Scott Danforth

    mercuiser 888 wont idle below 1000 rpm

    for the temperature. start with pulling the drive and replacing the raw water pump. if your impeller is missing fins, go thru the system until you find all the parts. you should be about 65-68C with a raw water cooled motor
  13. Scott Danforth

    Hello to everyone and a question or two about a Cobra 5.8

    look at better boats avoid anything older than 15 years old if looking at fiberglass power boats unless you want a project avoid anything bayliner pre 2002 avoid anything OMC (they havent been in business for about 30 years) avoid anything ford powered (they havent supported anything marine for...
  14. Scott Danforth

    OMC Cobra won’t shift out of gear

    Follow @Lou C 's post on adjusting cobra drive shift cables
  15. Scott Danforth

    1989 Bayliner Capri 5.0

    look for a circuit breaker back at the motor. the power trim is wired hot, so that has its own circuit protection. also, if the motor has been sitting for a few years, do all the maintenance like alignment, bellows, raw water pump, servicing the points, fluid changes, etc. before you use it.
  16. Scott Danforth

    Eagle sand paper for gelcoat

    You may have to start at 400 and work up I normally only go up to 800, then hit with aquabuff 1000, then Aquabuff 2000
  17. Scott Danforth

    Head gasket replacement for an old boat

    Pressure test the cooling water jacket. If the block isnt busted, it will hold 15psi pressure. When a block gets busted, the cooling water mixes with the oil
  18. Scott Danforth

    Volvo Penta 5.7 GSI PEFS idle issue

    Volvo buys them from GM
  19. Scott Danforth

    Wiped cam lobe mechanical fuel pump

    Need to know the port size you are installing it From there look at what I sent you in post #10 Or at least look up the port size you are installing it in.... Because I'm not going that deep
  20. Scott Danforth

    Volvo Penta 5.7 GSI PEFS idle issue

    The MAP should only be about $30 Go to this sticky. https://forums.iboats.com/threads/generic-boat-wiring-information-updated-verified.726970/ Go to post #12, link #3. About page 54-55. Then buy the MAP from Napa or rock auto
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