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  1. Scott Danforth

    Hydraulic line

    take the old hose to a hydraulic shop and have a new one made
  2. Scott Danforth

    Intake choice

    336781.....73-85...oval...OPEN...454, 118cc chamber, 256/114cc ports its a BBC not an SBC like I thought. Perimeter bolts are all that was available on BBC these are some of the better open chamber heads from back then. 2.06/1.72 valves. I would do a bowl blend and casting flash removal on...
  3. Scott Danforth

    adding electric start

    Cost of conversion is always more than selling what you have and buying what you want
  4. Scott Danforth

    Intake choice

    Perimeter bolt is 85 and older What is full casting number? Do you have the correct intake that matches the heads?
  5. Scott Danforth

    Intake choice

    Are heads stock 1990? Or other? Yes on the marine manifold.
  6. Scott Danforth

    Frozen Prop on SX-M Duoprop, Seeking Advice

    Prop and hub are bonded with rubber. Maybe heat the prop enough to break the bond and pull prop off hub Then put puller on hub
  7. Scott Danforth

    Volvo Penta EVC tachometer LCD

    Volvo buys the tach complete from an outside vendor. either VeeThree or Faria
  8. Scott Danforth

    Frozen Prop on SX-M Duoprop, Seeking Advice

    volvo recommends pulling the props and greasing the shaft often to prevent this vary issue. with only owning it for 4 months, it sounds like you may not have pulled the props when you got it. I have had to cut props off because the hub was stuck to the shaft from lack of greasing. once the...
  9. Scott Danforth

    Windows 11 yes/no?

    did they get rid of all the bloatware?
  10. Scott Danforth

    Windows 11 yes/no?

    Im still running Windows 7 at home
  11. Scott Danforth

    Duo prop seal replacement

    yes
  12. Scott Danforth

    Timing pulley hits the chain cover

    Front crank sensor reluctor ring
  13. Scott Danforth

    Duo prop seal replacement

    Yes, to replace the input seal, you should have a new crush sleeve to set bearing pre-load correctly
  14. Scott Danforth

    Compression ratio 5.7l

    stock GM Vortec heads (both the 062 and 906) are listed as 64, measure about 65. not sure what the Summit head is.
  15. Scott Danforth

    Duo prop seal replacement

    VP shop manual method to read rolling torque did you get a new crush sleeve for the input shaft, or are you not replacing the input seal?
  16. Scott Danforth

    Compression ratio 5.7l

    Stock GM flat-top pistons with 4 valve reliefs in stock deck height block and vortec heads is 9.4:1. With block decked .010 CR is under 9.5:1.
  17. Scott Danforth

    Compression ratio 5.7l

    I would swap to vortec heads myself
  18. Scott Danforth

    1975 23 foot fiberglass with cuddy

    If I recall from your other posts, your down slightly on compression
  19. Scott Danforth

    Lost our best fishing buddy

    Fur babies are the hardest family members to loose
  20. Scott Danforth

    Compression ratio 5.7l

    Boat builder buy motors in advance and the motor can sit in the warehouse for years before being installed in a boat. For example, Volvo was selling 8.1 liter motors as late as 2014 and these ceased to be made by GM in late 2008. My 2002 SeaRay was a left over 2001 hull with a 1999 casting...
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