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  1. Scott Danforth

    6/8/9.9 differences

    1985 and earlier 7.5 and 9.8 shared a same block. 1986 and later the 9.9 and 15 shared a block, the 18-30 shared a block and the 6-8hp shared a block.
  2. Scott Danforth

    6/8/9.9 differences

    the 9.9 is a bigger displacement than the 8hp since the 9.9 shares the block with the 15
  3. Scott Danforth

    Newer 3.0L in place of an Older 3.0 QUESTIONS

    my local machine shop has Mahle sleeves in stock. however if you want to buy them yourself. Summit has them. https://www.summitracing.com/parts/mah-2268247 you need to bore the block, heat the block and freeze the sleeve, then install.
  4. Scott Danforth

    Newer 3.0L in place of an Older 3.0 QUESTIONS

    a set of sleeves for the bores is $100
  5. Scott Danforth

    Newer 3.0L in place of an Older 3.0 QUESTIONS

    I believe the 1991 and later 3.0 came with the 168 tooth flywheel (14") vs the prior 153 tooth flywheel (12-3/4") i believe you must use the newer coupler and flywheel cover or source a smaller diameter flywheel here are two choices...
  6. Scott Danforth

    Floor reinforcement for fiberglass river boat

    foam under the deck would add support
  7. Scott Danforth

    14.5 x 18p on 1989 OMC Cobra 5.7L

    5.7 liter should be turning 4800 RPM
  8. Scott Danforth

    Looking for a owner manual Tahoe Q4 2006

    You could write a manual then one would exist Boats are not like cars
  9. Scott Danforth

    Ever see a twisted drive shaft?

    Twisted shafts happen
  10. Scott Danforth

    2004 Volvo Penta 3.0L engine knocking

    $5k is $3500 more than taking the motor to a local machine shop
  11. Scott Danforth

    1997 3175 Rogue Radar Arch

    Cruisers has also gone thru two restructures since 1997 Best bet is to measure the bold holes, measure the length and go from there
  12. Scott Danforth

    Anchoring question

    No rule
  13. Scott Danforth

    Almost Sunk… where do I start to salvage boat

    Any leak is a bad leak. The bilge pump should only be used for emergencies and rain storms
  14. Scott Danforth

    No start, big backfire

    Check compression?
  15. Scott Danforth

    Dumb-dumbs at the Dock . . .

    More chum.....
  16. Scott Danforth

    Rebuilt 5.7 vortec wil not turn over

    have the batteries load tested something is not right. a new starter should have no problem turning a motor over
  17. Scott Danforth

    The water drain holes I don't understand

    small holes would be anchor locker drains 3" or 4" holes would be small bow thruster 5" or 6" holes would be large bow thruster
  18. Scott Danforth

    Rebuilt 5.7 vortec wil not turn over

    check your gauges. fresh motor is 150 psi unless you went to 12:1 and built a race motor. then it shouldnt be in a boat check your battery. bad battery or bad connection would not turn over with plugs in.
  19. Scott Danforth

    Dumb-dumbs at the Dock . . .

    you could have simply made chum then started fishing
  20. Scott Danforth

    TBI rebuild help needed

    Get the regulator thru VP or do the research to find which one they used TBI unit is GM
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