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  1. alldodge

    Smoke from valve cover / breather hose SBC 305

    Inside the combustion chamber there is lots of pressure every time the spark plug ignites the fuel. Some of those burnt by products is what your seeing as it mixes with oil vapors. Pressures increase as motor temps come up and speed
  2. alldodge

    Advice on Gas Cap for vintage Gas Can

    This is probably not it, but scroll down and see the various others listed https://www.amazon.com/Kelch-Fuel-Guage-Vented-12-25/dp/B008D8XW2E/ref=sr_1_10_mod_primary_new?dchild=1&keywords=Marine+Fuel+Tank+Cap&qid=1628604941&sbo=RZvfv%2F%2FHxDF%2BO5021pAnSA%3D%3D&sr=8-10
  3. alldodge

    Smoke from valve cover / breather hose SBC 305

    Piston rings, the pistons have 2 compression rings and 1 oil ring. When the compression rings get weak or damaged, they start allowing combustion pressures past them. This is called blow-by because the pressure blows by the rings and into the crank case. The pressures which wind up in the...
  4. alldodge

    Smoke from valve cover / breather hose SBC 305

    Blow by, rings not seating YOu said it looks white under the valve covers, do you mean like milky water?
  5. alldodge

    Mercruiser 8.2 w/Cats & Closed Cooling Question

    I keep remembering it was 2010 when CAT's where installed by the EPA
  6. alldodge

    Continued issues with stiff powersteering

    OK my bad, old Alpha The steering ram is where the issue is. There is a valve inside which moves when the the cable push/pulls it.
  7. alldodge

    Help me be the hero :-), Mercury 4.3 – no spark

    Find a 12V bulb from one of the gauges, Navigation lights or other. Would be great if you could find a socket with a bulb in it. Otherwise need to figure out how to rig it up as a test light. With no meter use the light to see if light is bright enough to show 12V No go thru the...
  8. alldodge

    120 Mercruiser 2.5L - No spark

    Yes on mixer screws. Going CW on the idle adjustment screw just opens the throttle more
  9. alldodge

    Cannot Find VP ECM (module) for 8.1 GIL-h

    Woops Wonder what the difference between yours and a later one like -F Have you tried https://www.boatunlimited.com/
  10. alldodge

    Cannot Find VP ECM (module) for 8.1 GIL-h

    What is the part number for the ECM? OBD Diagnostics has a few for the 8.1 and list for $1795
  11. alldodge

    Finally got my boat to full speed

    Spec 4400 to 4800 If your looking for top end, put the 3-blade 19, it should get some more mph and get the rpm closer to 4800
  12. alldodge

    Continued issues with stiff powersteering

    Should not matter if the pump is full or empty of fluid with the motor OFF. The steering should be easy enough either way Is the flats on the ram straight up and down as in the pic (Fig d)?
  13. alldodge

    '99 MerCruiser MPI surging question

    The TPS and IAC work off of 12V. Can get to the contacts like Ted was talking about you could watch and see if they are changing
  14. alldodge

    120 Mercruiser 2.5L - No spark

    The bubble shouldn't be the issue with running. Only if there were a lot of bubbles it would effect running. I couple small bubbles every once in a while I wouldn't think much of. More then that, might be the pump diaphragm, hose fitting or hose clamp
  15. alldodge

    Compression Question

    With them all reading higher then 150, then it could be the gauge, so all good
  16. alldodge

    '99 MerCruiser MPI surging question

    It can be checked at the house.
  17. alldodge

    '99 MerCruiser MPI surging question

    It comes off the fuel pressure regulator and goes to the intake Vacuum line item 21 on regulator item 15 https://www.mercruiserparts.com/bam/subassembly/31918/2705/110
  18. alldodge

    Compression Question

    Pull plug 1 and see if its wet. Can also spin the motor over without the plug to see if anything spits out
  19. alldodge

    '99 MerCruiser MPI surging question

    Scanners cab be bought but there not cheap. Its either Techmate Pro or Diacom software all by Rinda https://www.rinda.com/marine/marinemenu.htm Don't think a tune up will fix the current issue, but wouldn't hurt Can check fuel pressure easy enough by renting a gauge from the local auro parts...
  20. alldodge

    Compression Question

    With cylinder 1 staying at 180, I would guess the head gasket blew or there is a crack
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