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  1. Scott Danforth

    5.7 Automotive Intake manifold

    Look around, you can find them for less
  2. Scott Danforth

    Mercruiser 5.0 crankshaft front oil seal replacement

    Did you stick with plastic or go to an aluminum cover?
  3. Scott Danforth

    5.7 Automotive Intake manifold

    And the block-offs for the back of the head. I have never found an epoxy to hold up and ended up getting a marine manifold. POR15 used to advertise an epoxy, however their product has been crap since 2008. Edelbrock (made by Barr castings) has marine manifolds that are nearly identical to the...
  4. Scott Danforth

    5.7 Automotive Intake manifold

    Because even in fresh water the manifold will corrode. Not as fast as in salt, however it will still corrode You can run an auto manifold if you have a heat exchanger
  5. Scott Danforth

    correct prop for 74 mercruiser 140hp

    I bought a bunch of SST props 20 years back because they were black and no one knew what they were
  6. Scott Danforth

    where to junk a boat in SoCal

    Check with your local sanitation yard. you may have to pay to dispose of it. you may need a valid title or in some cases, you spend $50 on saw blades and spend a weekend cutting the boat apart into pieces.
  7. Scott Danforth

    Engine Starting Issue

    unless you have a heat exchanger, your motor is raw water cooled. the impeller is in the pump that is belt driven off the crank. water is picked up thru the drive, makes it thru the transom shield, to the power steering cooler, to the oil cooler, to the fuel cooler to the engine same pump is...
  8. Scott Danforth

    V8-270-C-B Exhaust bellows (hose) replacement

    covered in the factory manual. Since you have CAT's in the exhaust, I would definitely look at the manual. (I dont have a copy) additionally, those hoses should last 30+ years. only failure to maintain cooling water system would kill them (lack of water and exhaust temp goes from 200F to 1200F)
  9. Scott Danforth

    Engine Starting Issue

    you have changed the raw-water impeller since 2014, correct rubber bits go off calendar, and dont care if you use them or not. you should also plug in Rinda and check to see if you have codes
  10. Scott Danforth

    1979 pre-alpha 165 Merc cruiser

    did you what Chris's videos, not the hacks out there? if your shift cable has any play or resistance, replace it (they last about 5-10 years)
  11. Scott Danforth

    Engine Starting Issue

    welcome aboard post your serial number so we can get specific 100 hours in 9 years is not a lot of use. that is 11 hours a year, or 1-2 uses per year make sure you have fuel pressure. should be 43psi if you are running hot, service the raw water pump
  12. Scott Danforth

    V8-270-C-B Exhaust bellows (hose) replacement

    get as set of elbow gaskets and pull the elbows
  13. Scott Danforth

    Oil dripping down over prop out of water

    your idling along all day fishing, correct? on the way home, open the motor to full throttle for about 20 minutes to burn off the extra oil sitting in the exhaust. that looks like normal 2-stroke oil buildup from running at idle.
  14. Scott Danforth

    Salt from outboard ruined my tools!!

    clean the outboard on a stand in the driveway where you can rinse everything
  15. Scott Danforth

    Has anyone built a boat with Marine Plywood

    50-70 years ago, if you wanted a boat, you had to build it. also, if you plan on putting a motor on it, you want a design that has been approved by a naval architect like the Glen-L kits, etc.
  16. Scott Danforth

    correct prop for 74 mercruiser 140hp

    It's a forklift motor. Not the smoothest running one out there
  17. Scott Danforth

    Mercruiser 3.0 to Mercruiser 4.3 swap

    You have to do fiberglass work to make the swap
  18. Scott Danforth

    Replace cone clutch 1999 Bravo III

    Turn input shaft 10 times and count output shaft turns Or look at the decal. It's usually printed on the bottom of the decal
  19. Scott Danforth

    correct prop for 74 mercruiser 140hp

    Most I ever got out of a 16-1/2 foot light hull with a 3.0 was 40 mph If you want more too end, you need a different motor than a 3.0
  20. Scott Danforth

    Worthwhile to take the Small Vessel Operator Proficiency Training Course - TP 14692 E (Canada)

    Again, look up the requirements of your goal. It's an accredited course
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