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  1. Scott Danforth

    Mercruiser 4.3 woes - help please

    check your flappers. if they drop, will choke off the motor preventing it from breathing
  2. Scott Danforth

    How do engine couplers work?

    all small block and big block chevrolets have the same bolt pattern for the flywheel housing. so you can swap anything you want in front of the PDS shaft on your AQ drive, its actually a drive plate vs a coupler. think of a clutch disc that is bolted to the flywheel. you still have to...
  3. Scott Danforth

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

    you can, that is up to you. If it was me, I would be taking the heads in for threaded rocker stud conversion, and have the valves modified for the better seals and higher lift cam. Then I would probably drop in a SCAT rotating assembly for 383 cubic inches (6.2 liters)
  4. Scott Danforth

    Has anyone used this stuff

    same category of CPES, git-rot and other snake oils. no way to magically un rot wood and get the strength back. in truth, it simply makes the restoration harder because you now have to remove this puddle of epoxy and mulch
  5. Scott Danforth

    Overheating

    looks like the kit was added after the fact.
  6. Scott Danforth

    Ford closed cool TS Housing

    GM wont fit. most likely will need to fabricate. the cooling system was probably manufactured by Monitor Products in the 70's notice the plethora of copper fittings and brazed bits. also, looks like the system has been modified to a full system
  7. Scott Danforth

    2003 192 BR fiberglass or wood?

    since 1998 they claim a "doralcore" and offer a limited lifetime hull warranty to the original owner
  8. Scott Danforth

    When opening throttle, inline 6 speeds up for 20 s and then lose power

    that is not correct. get the proper A1-15 fuel hose.
  9. Scott Danforth

    Pontoon Dolphin fin or not??

    of all boats needing a hydraulic jack plate in addition to tilt/trim, a pontoon would benefit the most. since loading changes so significantly on a pontoon, to get optimal performance, you either assign people to sit in one location, or you play with engine height and trim every time someone...
  10. Scott Danforth

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

    no you run the cam designed for your induction. Carb cams are different than EFI cams I would run an XM264HR or XM270HR. out of those two, I would run the XM264HR with 1.52:1 rockers. with either cam, you will need to modify the heads as the stock lift on the vortec heads is only 0.420" max...
  11. Scott Danforth

    New prop advice 2014 Bayliner 185, 3.0L

    no points on a 2014 engine
  12. Scott Danforth

    Tr drive swap

    most likely the TR needs a new trans. no, the bravo cant simply be swapped. the transom would need to be replaced first. however with the SeaRay being a 1985, most likely the transom needs to be replaced anyway.
  13. Scott Danforth

    How to address rusting hinge

    buy citrisurf or ospho, dab on, wait a bit, then rinse off. http://citrisurf.com/removing-rust-from-stainless-steel/ 304 stainless is not stainproof
  14. Scott Danforth

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

    cam profile. however peak HP vs torque curve. always always go with the better torque curve.
  15. Scott Danforth

    Minimum MPH Boat/Motor?

    If you havent bought it, bet someone else has
  16. Scott Danforth

    Volvo penta 5.0 gl not sucking water

    this is the most quick way to buying a new block. cold anti-freeze hits the thermostat, it closes, and maybe your exhaust gets antifreeze, however your block doesnt drain fully and you are winterized. if spending $30 on antifreeze and pouring into your motor makes you warm and fuzzy, then do...
  17. Scott Danforth

    Help needed on OMC stringer

    to take the ball gear shaft out, you must first remove the water pump, you must also remove the top assembly. additionally, you must remove the ball gear from the shaft (pull cover off over nut, remove nut, remove ball gear) however to pull the water pump assembly, simply remove the 4 screws...
  18. Scott Danforth

    350 MAG MPI Reman maybe Gen II??

    clean the fuel system. from the tank to the injectors the motor ran great until all the crud in the fuel system plugged up the filter in the pickup (remove and discard), Anti Siphon valve (clean), probably the pump (clean) , and most likely the injectors (send in and get clean).
  19. Scott Danforth

    Help needed on OMC stringer

    throw the haynes manual away get a factory OMC manual. https://outboardbooks.com/
  20. Scott Danforth

    Slow crank

    because you will strip the bolt thread out of the crank and need a new crank. get one of these if you want to turn the motor over by the crank. https://www.amazon.com/Crankshaft-Turning-Socket-Chevy-4-Cylinder/dp/B001U3V334/ or pull the starter and pry over by the flywheel teeth. battery...
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