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  1. Scott06

    5.7 vortec pertronix and Holley big carbs timing

    My vortec lives really with 10 degrees initial total is in low 30s, this is with a TBV ignition. total is in by 2800 or 3 k if i recall. assume you have done compression checks and plug readings ? Try swapping carbs or pertornix engine to engine
  2. Scott06

    spring vapor lock?

    if it has the overflow its a marine carb
  3. Scott06

    Alpha 1 Gen 2 proper dog engagement noise.

    If it is a V engine need to route it properly around the Wye pipe
  4. Scott06

    Mercruiser 3.0 loss of power

    Could be fuel pump, could be blocked pick up, could be clogged fuel filter in pump, could be clogged fuel tank vent , Could be clogged fuel line , air leak on suction side of pump....Basically work back carb to pump to tank and see where you aren't getting gas before you throw parts at it...
  5. Scott06

    spring vapor lock?

    the fuel overflow (return) line you mention - is the 1/4" tube sticking up slightly out of the airhorn means it is a marine carb. No street carbs had those Right next to black choke element on front right mounting ear/foot should be some stamped numbers denoting carb number - what are those ...
  6. Scott06

    Alpha 1 Gen 2 proper dog engagement noise.

    Agreed don't baby it in, firm quick clunk into gear.
  7. Scott06

    Where are the rear motor mounts on a mercruiser 120?

    if yours has been in there a long time would recommend getting penetrating oil on the square nuts that are held in inner transom plate and hitting them with some heat
  8. Scott06

    Mercruiser 3.0 loss of power

    Sounds like previous owner and yourself have been tracking down and a fuel supply issue? So symptoms are - hard to start , then runs ok ( gets up to 4500 rpms or so ?) After 20 minutes of normal running (at speed under load) then you cannot get over 2500 rpm under load? If that's the case...
  9. Scott06

    OMC 1986 Bayliner Capri.

    Yes parts are still available for the drives. Any R, MR , or alpha gen one drive still has parts available only thing i would steer away from is it of has the 3.7 l four cylinder engine . while guys can make them work they are one of mercs more trouble prone designs
  10. Scott06

    98 seedoo GTX issues

    Had exact symptoms on my 2004 RFI GTI- Check the flame arrestor- My flame arrestor was dirty, cleaned it and changed the plugs as they were fouled. On the hose there is no load on engine, impeller isnt grabbing anything spinning air. Flame arrestor being dirty cuts off airflow but fuel is...
  11. Scott06

    Where are the rear motor mounts on a mercruiser 120?

    Would actually be any Mercruiser owner of that vintage rear mount style... they all us the same rear mounting system. Usually a lot of heat and penetrating oil
  12. Scott06

    Alpha one shift adjustment

    The freeplay is over the spec means cable is stretched , hence being in top of slot. if you can get it adjusted so it works leave it alone. Otherwise replace able
  13. Scott06

    Remote Oil Filter

    If u dont want to piece it together or pay fir oem kit https://marineenginedepot.com/remote-oil-filter-kt-50l-57l
  14. Scott06

    Dean's List gets another motor

    Seemed like from your comments that balancer was more difficult than it should have been to remove. use a flap wheel and die grinder to clean up ID of balancer and open it up hair so it goes on easier. Possible its been on and off before someone may have beat it up…...
  15. Scott06

    1989 5.7L 4brl won't idle below 900 - 1000 rpms

    First disconnect the throttle linkage and make sure throttle is coming back to seat on idle speed screw. adjust idle speed screw down See if idle lowers, may have to adjust throttle cable to get it all the way down. usually if there is a vacuum leak idle quality will be terrible. also check that...
  16. Scott06

    Dean's List gets another motor

    Maybe clean up inside of damper with a flap wheel to remove burrs and clearance it a little
  17. Scott06

    OMC 1986 Bayliner Capri.

    Stay with the mercruiser. OMC went out of business years ago, where merc parts are still widely available, even for older ones like a 1989
  18. Scott06

    88 omc 5.7 motor swap

    $339 https://performancedistributors.com/product/chevrolet-marine-dui/?attribute_pa_gm-marine-dui=chevrolet-small-big-block-v8-7000-rpms&attribute_pa_color-choice=black I'd do the Delco est as that is pretty standard in marine use and used by OEMS
  19. Scott06

    Strange ticking rattling on 4.3 V6

    Exhaust flappers. the rubber wears off them and they make noise. When you accelerate they stay open
  20. Scott06

    '98 Stingray 190LX 4.3 Merc Stuck in Muck Issue

    Ok - based on your comments and over heat willing to bet if you disconnect your lower shift cable at the shift plate your throttle cable can freely work. If you shift cable sticks the shift plate will trip the shift interrupt knocking out the ignition. you can leave it disconnected for the...
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