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  1. Scott Danforth

    c4 duo prop question

    Yes
  2. Scott Danforth

    2002 MCM 5.0L with Thunderbolt V Ignition stalling at idle

    Check you lower shift cable adjustment. Has your distibutor trigger been upgraded to the new 3-wire versions Your boat probably sat for many years. It should have close to 1000 hours on it.
  3. Scott Danforth

    Starter Shims?? - 1996 5.7L

    Grade 8.8 metric is a soft bolt like a grad 2 imperial. should be grade 10.9 or higher
  4. Scott Danforth

    Yamaha l4 3.0l sterndrive replacement trim pump

    I would swap in an oildyne 108 for about $100
  5. Scott Danforth

    Towing tube with bayliner capri 1700 1992 70hp

    You are only towing at 20mph. You can do that with 40hp
  6. Scott Danforth

    Tuning Holley 80551 (4160)

    Your carb is too small for a 5.7 in a boat
  7. Scott Danforth

    c4 duo prop question

    C series is stainless, B series is aluminum. Post a pic of the drive, or google VP 280 vs VP 290
  8. Scott Danforth

    c4 duo prop question

    on the 2557 Montego, original engine was an AQ271C (275hp) with a DP290 and it came with B3's. you are over-prop'd with the C4's and someone swapped your drive from the 290 to the 280 (I have known a few Montego owners as well as a bunch of the guys at Carver in the late 80's) VP does not put...
  9. Scott Danforth

    c4 duo prop question

    first, welcome aboard what motor/drive combo? what model Carver? what RPM are you at? what is your weight? what speed are you at? Generally, you drop down in number to gain RPM (lower pitch) However the C-series props are stainless, so that is pricey to be trial and error. maybe get a set of...
  10. Scott Danforth

    Mechanical Fuel Pump Arm Movement

    sorry to hear about covid. your building from scratch and didnt go stroker?
  11. Scott Danforth

    Compression Question

    I would go with the gauge reading high. agree, it would be good.
  12. Scott Danforth

    Starter Shims?? - 1996 5.7L

    my guess is the new bolts are too long (PMGR usually needs shorter bolts) I would be inclined to add washers under the bolt heads. starter shims are generally not needed as manufacturing tolerances have gotten better, however to properly shim, you need access to both the ring gear and pinion...
  13. Scott Danforth

    Compression Question

    re-check cylinder 1. you may have water or oil in it, or your gauge is reading 30 psi high and the following 3 cylinders are a bit low. spec is 150 psi for cranking compression numbers. however since you mention your oil is hazy, I would change it.
  14. Scott Danforth

    Mechanical Fuel Pump Arm Movement

    the fuel pump cam lobe movement on a small block and big block hasn't changed since 1953 when the small block was being developed. its about .375-.395 total lift that is all it takes to pump fuel. Ford used to have only 0.200" of lift on the old flat-heads, not until after the y-block did...
  15. Scott Danforth

    WATER!!

    no head gasket on a mercury
  16. Scott Danforth

    Mercruiser 160 "reverse flow"

    plumb your 470 exactly like the manual shows dont confuse the issue of the ford V8 log manifolds for issues with your 470
  17. Scott Danforth

    Mercruiser 470

    you have to sleeve the block to rebuild it.
  18. Scott Danforth

    Need help restoring a 1985 Four Winns 195 Horizon Cuddy 3.7L 170Hp Mercruiser engine

    Frisco's rebuild is link 14
  19. Scott Danforth

    Boat ID?

    looks like typical mid 60's jet some of it looks like it was copied from a tahiti, some from other models. good luck
  20. Scott Danforth

    WATER!!

    leaking water jacket cover
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