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  1. Scott Danforth

    Elbow and exhaust manifold inspection what do you think?

    your valve cover gaskets should be rubber and normally last decades. first, make sure the valve cover isnt bent and that the bolts are snugged up to the sleeves.
  2. Scott Danforth

    Lifting the Engine Methods

    best thing in the world for swapping engines... however if I cant get the engine tilter in place, I have many times pulled the carb, and using 3/8" bolts into the cylinder head accessory drive holes, made an x-brace of chain and picked engines. where the two chains come together, you can...
  3. Scott Danforth

    Winterizing question

    the new pump is not worn like the old pump, hence the reason you cant dribble AF past it.
  4. Scott Danforth

    OMC Cobra Information

    nothing special about the carb. Holley 2300 series marine carb. its either a 350 CFM or a 500 CFM (would need numbers off the air horn)
  5. Scott Danforth

    Bass boat resurrection

    Being about a 35 year old boat. If you dont find rot, buy a lottery ticket
  6. Scott Danforth

    No water draining from exhaust manifold

    If your manifold is that plugged, pull the manifold
  7. Scott Danforth

    Bass boat resurrection

    Check the transom and stringers for rot
  8. Scott Danforth

    Mystery switches

    Not factory. Talk to the guy you bought it from
  9. Scott Danforth

    Motor question.

    big blocks have not been in a car since the 70's you can get a TRUCK motor, strip it down to short block and heads (pull it apart) and install marine head gaskets, brass core plugs. you will also need a marine circulating pump. then you can bolt on the marine accessory drive, rotating...
  10. Scott Danforth

    Fluid Changes for Winterizing, Do I Need to?

    when I used to live where I needed to winterize, I generally fired it long enough to get oil pressure and make sure no leaks. about 3-4 seconds was enough for the gauge to start registering pressure then proceed to drain, pull batteries, etc.
  11. Scott Danforth

    Antifreeze circulation through engine

    the manual (written by the experts) says drain the block and manifolds and hoses then if you desire (optional) to add AF, you pour it in the hoses thru the thermostat housing with a funnel the key is to fully drain
  12. Scott Danforth

    Motor question.

    1990 is a change year you could have a MK4 454 which is 1978-1990. or you could have a Gen V which is 1990-1995 because the coupler is different, there are additional things you need to look at. first you need to identify your motor stamped steel valve covers = MK4 aluminum valve covers =...
  13. Scott Danforth

    Finding the right starter for my 7.4 mercruiser

    some starters have the "I" or "R" terminal some starters dont if your starter has it and you dont need it, then dont use it (terminal). BTW, there are 4 types of GM marine starters direct drive for 153 tooth flywheels (straight pattern) direct drive for 168 tooth flywheels (staggered...
  14. Scott Danforth

    Fluid Changes for Winterizing, Do I Need to?

    if you did not use the boat at all (zero starts) then leave it. however if you started the motor even once...... then the acids start building up in the motor. these acids are a byproduct of combustion. the first thing they attack is the soft metal in the bearings an oil change is cheaper...
  15. Scott Danforth

    Steering

    push-pull cable (big, thick sheath about 3/4" in diameter)? or a pull-pull cable (drum at the wheel with 1/8" cable going down both sides of the boat over pulleys)?
  16. Scott Danforth

    Aq271c engine oil

    I agree with Rotella T4 15w40
  17. Scott Danforth

    Possibly Purchasing??

    being the boat is a 1989, I would definatly consider it a project boat. the price is a bit high, however Covid pushed the prices of all boats high the past year. I sold my 2002 SeaRay 190 for that $12.5k back in 2011 I would look the boat over with a fine tooth come. just looking at the...
  18. Scott Danforth

    5.0l vs 5.7l

    oooh......fireslotted..... a 95 350 will have about 30-35 more hp than a 1987 305. change to vortec heads on the 350 and you get about 30-40 more
  19. Scott Danforth

    Mercruiser outdrive gear ratios

    wasnt the 2.43:1 only behind the V6?
  20. Scott Danforth

    2007 Mercruiser 5.0 MPI, Crank No Start, Scan/Code Reader

    if you want to read your engine https://www.rinda.com/ however start with the basics compression? fuel pressure? spark?
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