Scott06's latest activity

  • Scott06
    Scott06 replied to the thread Engine misfires after rain storm.
    i have become fond of the spark gap tester for this so you can see how strong the spark is vs just there. ten or so years back went...
  • Scott06
    Scott06 replied to the thread 1997 5.7L thunderbolt ignition. Slow crank.
    I did mine by the lag screws as generally they are easier to get to in the boat. You need to do an alignment regardless of marking the...
  • Scott06
    Scott06 replied to the thread Engine misfires after rain storm.
    might be worth running of a remote tank to see if it makes the problem go away
  • Scott06
    Scott06 replied to the thread 1992 OMC 3.0 Cracked Block.
    yeah runs great is a joke.. 3.0s are no the smoothest idling engine but if it has good compression and makes decent oil pressure on a...
  • Scott06
    Scott06 replied to the thread 1992 OMC 3.0 Cracked Block.
    yes also the volvo penta 3.0 is the same GM long block. Best bet find a beat up boat and jank the driveline out
  • Scott06
    Scott06 replied to the thread 2005 Chaparral Signature 290 - Repowered.
    So you kept your old ratio drives? Typically when you go up in power you will need more pitch. I did a 4.3 to 5.0 repower kept the 1.81...
  • Scott06
    Scott06 replied to the thread 4.3 Mercrusier carb questions.
    Get yourself an ultrasonic cleaner from harbor freight or similar. My carb rebuilding batting average went way up when I started using...
  • Scott06
    Scott06 replied to the thread 3.0L comparability.
    Just pressure test the cooling system.
  • Scott06
    Scott06 replied to the thread Mercruiser 5.0 replacement.
    I missed that 100% if it’s just a head gasket due to overheat worst case you need the head resurfaced and valve job
  • Scott06
    Scott06 replied to the thread 1997 5.7L thunderbolt ignition. Slow crank.
    they were really good in my experience, although I bought a new extended base vs rebuilt. They gave me partial core for the old cracked...
  • Scott06
    Scott06 replied to the thread Mercruiser 5.0 replacement.
    If it is a vortec long block 96 and newer it is identical to what you have. Good time to drop in a 5.7 which is externally identical...
  • Scott06
    Scott06 replied to the thread 1997 5.7L thunderbolt ignition. Slow crank.
    if you haven’t checked out MichIvan motorz worth a look https://michiganmotorz.com/5-7l-vortec-marine-engine-1996-2020/
  • Scott06
    Scott06 reacted to matt167's post in the thread 3.0L comparability with Like Like.
    3.0 is commonly cracked externally and able to be patched…. However they are pretty cheap to buy good used.. going up to 1990, is an...
  • Scott06
    Scott06 replied to the thread 3.0L comparability.
    borescope won’t show if crack is through to the crankcase so you are right to find another engine
  • Scott06
    Scott06 replied to the thread 3.0L comparability.
    yes that may be true as well, the early inlines (not sure the years) used a shorter input shaft. Unless you have all of it together in...
Show older items
Top