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  1. Scott Danforth

    My new trucklet!

    congrats on your new purchase. I still dont like the grill and headlights of the new hyundai myself. then again, there was a lowered 1962 suburban with two aluminum canoes on top at the camp ground that I just drooled over.
  2. Scott Danforth

    Aq271 poor starting on hot engine

    not a stock carb for an AQ271C. (Should be a holley 715CFM 4150 series and the motor should be red) however I would look at the choke
  3. Scott Danforth

    Immediate delamination

    going to guess that the surface wasnt clean or the resin you got was bad. but that all has to come off
  4. Scott Danforth

    Just 3 Words

    i was camping 85 percent humidity checkout at 11 clean up sucks I smell bad need a shower
  5. Scott Danforth

    '85 Sierra 16.5' Fiberglass - Floor / Transom / New Layout

    Hook the ratchet straps and start ratcheting. Then using an extra strap, you can re-adjust each one
  6. Scott Danforth

    454 knocking noise and water in oil after sitting for 4 years

    Fill entire engine with 3-4 gallons of used oil
  7. Scott Danforth

    Antifreeze circulation through engine

    Must go with the name......,.LOL
  8. Scott Danforth

    Anti Seize or Not?

    Permatex #3 or tefgel
  9. Scott Danforth

    Antifreeze circulation through engine

    unless your block was modified by welding the lower drain ports closed, you have the drain ports use them if you try a block-buster 2000 kit or a scam-co kit, count on a broken block in the spring as Lou mentions no way around draining unless you park your boat in a 10,000 gallon swimming...
  10. Scott Danforth

    Piston Damage?

    post a full-size version of the pic looks like old damage. I would run it. Then again I ran a 4.1 Buick V6 with 3 carburetor screws mashed into a piston for about 60,000 miles
  11. Scott Danforth

    70s force 70... No reaction from key

    start with the correct schematic for your motor
  12. Scott Danforth

    Hi Everyone

    welcome aboard here is some suggested light reading; links 14, 15, 18, 2, 3, 4a, and 4b https://forums.iboats.com/threads/how-tos-and-other-great-information.283508/ all the stickies here: https://forums.iboats.com/forum/mercury-mariner-outboards.27/...
  13. Scott Danforth

    engine pinging and backfires and stalls

    no, you drop the pan fully and if the builder did his job, he used a rubber gasket which you can pull the pan many many many times prior to replacing.
  14. Scott Danforth

    Fountain feedback

    welcome aboard. without knowing which year fountain, or which motors/drives, its going to be hard for anyone to comments. Reggie designed some good boats...... however with high performance boats comes high performance maintenance and high performance part price tags do you have the...
  15. Scott Danforth

    Short Shaft to long Shaft swap

    start with the parts break down and start comparing power head parts.
  16. Scott Danforth

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    engines after 1986 were prop rated do not confuse peak hp numbers vs other factors. the AQ271C was a VP spec'd Hi-Po crate motor with a custom spec'd cam. same motor that was police duty. run the casting numbers of the heads thru mortec yourself. not the same heads or intake that GM sold to...
  17. Scott Danforth

    Condensation in exhaust manifolds...

    yes raw water and carb was 140 ish unless hx cooled, then 160 ish EFI and raw water is 160 ish EFI and hx cooled is 180 ish cant explain why the 4.5 would have a 140 T-stat the emissions must be on the raged edge.
  18. Scott Danforth

    Carb Recommendations for 5.7L Vortec?

    holley side https://www.summitracing.com/parts/sce-355-1 manifold side https://www.summitracing.com/parts/sce-3584-1 modify as needed with gasket punch for the holes
  19. Scott Danforth

    Condensation in exhaust manifolds...

    remember, you have water flowing thru the exhaust manifolds all the time regardless if the thermostat opened or not because you were on the hose, your motor never got up to temp so you would have condensation or the slight reversion at idle that the 4.3 suffers
  20. Scott Danforth

    Carb Recommendations for 5.7L Vortec?

    or use a tubing bender and bend the two legs of the fuel log.
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