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  1. Scott Danforth

    Is the Mercruiser 7.4 Gen V an interference motor?

    if you are spinning the motor fast enough to break a timing chain, yes, the valve would be toast. it is an interference motor however the likely hood of you breaking a timing chain is about 1 in a million. there is only .08" of clearance between the valve opening and the piston in a few...
  2. Scott Danforth

    How to build a front middle cushion support

    a piece of 1/2" starboard (about $35) should be a recess in the fiberglass. put a piano hinge in the middle cross-was so it will fold to make it more stowable.
  3. Scott Danforth

    4.3 motor swap with truck engine

    here is a set of heads, intake and carb for $500. should be able to get it for $400 cash https://providence.craigslist.org/bpo/d/coventry-gm-vortec-43-v6-marine-heads/7504298393.html iron 2-barrel marine - offer $50...
  4. Scott Danforth

    Does anyone have pic of distributor on Merc 7.4 Gen V?

    Cylinders 5 and 7 could be steamed cleaned from water leaking into the ports Verify your timing Check compression (should be 150psi on all cylinders) Check your fuel
  5. Scott Danforth

    4.3 motor swap with truck engine

    Vortec heads are an honest 20hp because of the chamber shape. Used iron vortec manifolds are $50 or less PMGR starter is 22# lighter than a direct drive starter, uses half the power and has twice the torque You use nothing bolted to the truck block and heads. You have to use the marine stuff...
  6. Scott Danforth

    pressure in upper gear case

    my stringer 400 had a small hole worn in the impeller housing from a stone that wedged itself under a blade and managed to pump force enough water into the gear box and pull enough gear oil out that the bearings seized 1/2 mile from the ramp.
  7. Scott Danforth

    5.7-300Gi-J starter bolt length

    PMGR starters use shorter bolts than direct drive starters.
  8. Scott Danforth

    Rapid trailer jerk at higher speeds

    also, if the aft shocks on your SUV are at all worn, the boat will wag the car.
  9. Scott Danforth

    VP AQ280 operating instructions

    a Volvo AQ290 drive uses a slightly larger hole and has full Tilt-n-Trim
  10. Scott Danforth

    4.3 motor swap with truck engine

    light reading. https://forums.iboats.com/threads/complete-history-of-the-4-3-liter-with-casting-numbers.693935/
  11. Scott Danforth

    Rapid trailer jerk at higher speeds

    double check your tongue weight your boat looks like its sitting too far back move your fuel tank and spare wheel to the bow of the boat.
  12. Scott Danforth

    Where can I buy parts for a 2006 Horizon 240

    gas springs are generic. look on the side of the gas spring to get a manufacturer and part number. then use google to find on-line The dash pieces are specific to FourWinns. as indicated above, GLS has obsolete parts from various manufacturers
  13. Scott Danforth

    4.3 motor swap with truck engine

    No, cant swap timing covers from a non-balance shaft motor to a balance shaft motor
  14. Scott Danforth

    Solar Power Installation . . .

    they make biodegradable airsoft bbs
  15. Scott Danforth

    4.3 motor swap with truck engine

    remember, you have to take the vortec motor or any truck motor, knock out the core plugs and replace them with brass or stainless you also need to use marine head gaskets the only thing you need from the truck is the block and heads unless you get a motor from a truck with a manual, then the...
  16. Scott Danforth

    its hot

    just slightly warmer than it is down here.
  17. Scott Danforth

    Sea Water Pump

    its a better idea to confirm that you need parts prior to spending beer money on them. also, highly recommended to replace the bellows and check the u-joints if you have not done so
  18. Scott Danforth

    Regal 2100 sometimes take long time to speed up to reach 16 miles it’s look like struggling on between 10-15 miles but once hit 15 miles it’s will go

    Yes, the distributor cap looks like a blue crab with the posts going out the sides. Simply Google distributor crab cap and you will see. The are notorious for failing internally (within the plastic)
  19. Scott Danforth

    2001 Sea Ray 210 Sticking in gear

    you cant look over the outside of the cable. the inner sleeve is what wears. the shift cables only last about 15 years
  20. Scott Danforth

    4.3 Carb v 4.3MPI

    nope, prop rated.
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