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  1. Scott Danforth

    Idle speed, Mercruiser 2.8 165hp D-tronic

    check the connection at the electrical throttle. check the reference voltage. doesnt take much to throw the signal voltage off. you may have to plug in
  2. Scott Danforth

    sea wolf construction

    you should have an access cover to inspect the fuel tank. that cover will also give you access to the vent and fill hoses. 28 years is a long time for rubber bits.
  3. Scott Danforth

    Engine Serial Number Decoded

    get a factory manual come to iBoats, search the stickies, forum and if you cant find the answer, post a thread and ask questions realize you have a 35 year old boat with an obsolete drive. so parts may become expensive
  4. Scott Danforth

    1st time driving from NY to So Fla...route advice needed

    taking 3 days to drive from NY to FL would drive me nuts. Im the type to get in and simply go...... and 20-30 hours later I am at my destination. We routinely drive from Florida to Wisconsin (driving past @redneck joe ) and do it in one trip, with a 2 hour nap at a rest stop along the way...
  5. Scott Danforth

    Blue smoke during warmup

    compression should be 150 psi. below 125psi you start to loose performance while mercruiser says you should rebuild at 100 psi, I like to rebuild at 125psi. at 80 psi, your motor is toast
  6. Scott Danforth

    Installing Sea Dek over wood floor

    Im with Froggy here. your crownline should have had fiberglass encapsulated wood core for a deck. Is this a new to you boat?
  7. Scott Danforth

    Changing Chrysler i/b to Chevy i/b process

    Vortec heads didnt come out until 1996
  8. Scott Danforth

    Build a Barge Workshop

    Got pics of the Comet?
  9. Scott Danforth

    Mercruiser 5.7 Thunderbolt 5 Hard to Start

    Any corrosion on the trigger assembly under the cap?
  10. Scott Danforth

    Holley Gurus needed

    So talking to a few of my gearhead friend, they suggested looking at the IFR's. they speculated the IFR on the speedmaster block was way way too small. this is something where very minute changes effect the idle AFR in a serious swing. the Speedmaster/PCE metering block has only .0225"...
  11. Scott Danforth

    1996 Volvo Penta 7.4 will not stay running

    you are correct, there is no schroeder valve or other test port. it is a diagnostic tool. you need to get a test adapter. such as this one https://www.cpperformance.com/p-62701-fuel-fitting-connector-91-18078.aspx
  12. Scott Danforth

    Nothing on key turn

    by clean....... clean and shiny enough your mother in law would eat off them.
  13. Scott Danforth

    Volvo to Mercruiser

    I run across 73 pintos when looking for old cars, doesnt mean they are worth buying...... I mention that because it would be more work and potentially more cost to buy an obsolete motor that you cant get parts for vs the current obsolete motor you have that you cant get parts for. you would...
  14. Scott Danforth

    Volvo to Mercruiser

    why are you enamored with obsolete motors and drives? just curious. the volvo AQ120B has many NLA parts you would be better off finding a 290DP or a DP-A drive with a V6 or V8 that is 20 years+ newer
  15. Scott Danforth

    Nothing on key turn

    have you checked to make sure the battery has power? is the battery connected?
  16. Scott Danforth

    Fuel hose size ?

    the new 4.3 is LS based. still GM, https://gmpowertrain.com/products/lv1-engine/
  17. Scott Danforth

    What is this repair going to take - hull damage

    no, those pics are out of focus.
  18. Scott Danforth

    96 caliber 1 5.7l i.o. misfire under load low end only help!

    Check fuel pressure If you have a crab cap, change it Generally a lean sneeze on accelerating is running out of fuel
  19. Scott Danforth

    What is this repair going to take - hull damage

    of all the damage, this is the only one that I am concerned about it looks like it may be a prior repair and you have water dripping from the gouge the rest of them can be filled with thickened gel simply start with 80 grit sand paper, clean the gouges really well, build up with thickened...
  20. Scott Danforth

    Mercury 7.5 steering arm bracket help

    what color are the decals? Blue? that would be 1982-1983, or Brown 1984-1985. my guess is you have a 1985 since the serial numbers for 1985 start with 6611886 and go up to A196291 these exploded views may help...
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