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  1. Scott Danforth

    2003 5.0 MPI stubborn overheat issue

    Start at the hoses from the manifolds and flush water thru the system backwards to the raw water pump. Backflush Trying to push water thru normally just keeps the bits of impeller stuck where they are
  2. Scott Danforth

    2003 5.0 MPI stubborn overheat issue

    back flush the system and find the fins. you may have to pull most of the hoses off to find where they went. overheating is a lack of water flow in or out of the engine
  3. Scott Danforth

    Need help with mercruiser 454 carburetor

    Merc racing used Holley HP850's on the 454 where the I/O and inboards got the Weber / Merc carbs what carb is on the motor now. as Bondo stated, if it is a true Quadra-Jet, a bit of calibration and it will flow up to about 800-830 CFM for help with Q-jets. https://cliffshighperformance.com/...
  4. Scott Danforth

    Thermostat too dirty

    use a wire brush to remove the rust flakes, install new thermostat, sleeve, and gasket and go boating. extremely common on a raw water cooled boat in either fresh or brackish water.
  5. Scott Danforth

    Changing to HEI ignition on a 1991 mercruiser 5.0

    HEI is a designation for GM's electronic ignition that came out in 1973. its not an upgrade compared to the thunderbolt ignition I would suggest something higher quality than something off of amazon such as the A-team distributor. get the delco EST marine setup that has been proven on...
  6. Scott Danforth

    2001 Searay 190 Sundeck windshield bumper

    if you still have a bit of the stud left, put on a push-on rubber cover from your local ace hardware with a bit of black silycone. I had young kids at the time with my 2002 Searay 190BR, and I glued on two dinosaur head erasers there is a guy on fleabay making replicas...
  7. Scott Danforth

    Need help with ID of what's left of an 18' alum boat.

    youre looking at least at $5,000 to restore that and 2 years of weekends and week days, however I bet the final total is closer to $10k not enough left to identify, and by the condition, my guess is the motor and drive need full restoration.
  8. Scott Danforth

    1991 Playcraft pontoon restoration

    if its a rack and pinion helm, you dont get the cable out. you get a whole rack and cable assembly
  9. Scott Danforth

    Girlie Ads on the Site

    I get car ads and custom electrical and marine component ads. most targeted advertisement is tailored to the users IP browser history. I also run an adblocker on the browsers
  10. Scott Danforth

    1988 mercruiser 5.0 alpha one

    the filter in the carb is not needed if there is a canister filter.
  11. Scott Danforth

    Installing Rebuilt trim cylinders and all new lines

    Cycle the cylinders, refill, repeat The oil may become frothy initially from air, let it sit a bit, then go back to cycle, refill, repeat
  12. Scott Danforth

    I'm sad, need new gps

    great solution for northern states. the only problem down here in Florida, is the phones and tablets shut off when exposed to the sun due to overheat (both iPhone and Android). plus you cant see the screen unless down below in the cabin. its iffy with the bimini up.. if you leave the phone...
  13. Scott Danforth

    Takes on water over the transom while loading and unloading

    Im going with a rigging issue by the factory or dealer looking at other kenner 18' boats, looks like your transom was cut-down for a 20" shaft motor vs the 25" that appears on many of them. here is a 2002 with what appears to be a 25" motor however the cover of one of the kenner brochures...
  14. Scott Danforth

    '89 Arriva 2050 Restoration

    I forgot to mention. I use a 6.5hp shop vac with 3 hoses coupled together. the shop vac sits outside the boat.
  15. Scott Danforth

    5.7 GXI-HF making "whistling" noise

    Check the IAC muffler. However throttle blades do whistle Take care of the fuel pump wine. That issue will leave you stranded
  16. Scott Danforth

    Mercruiser 2.5 ticking sound

    Good luck, pretty sure you roached all the lifters and lobes with that parts swapping
  17. Scott Danforth

    1991 Playcraft pontoon restoration

    Undo the motor end.
  18. Scott Danforth

    Mercruiser 2.5 ticking sound

    Not according to post #3 and #12 where you ran the lifters on other lobes.
  19. Scott Danforth

    1989 Sea Ray 200 BR Interior rebuild and new layout

    my 190BR had snap-in canvas on the sides of the motor for access.
  20. Scott Danforth

    Looking for replacement windshield

    https://www.taylormadeproducts.com/products/boat-maintenance/windshield-parts/
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