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  1. K

    5.7 omc carb leak

    The fuel leak may be caused by the 2 plugs that are pressed into the bosom of the float chamber. The fix is easy. Remove the carburetor and flip it over. Remove the throttle body and you will see the 2 plugs. Clean the area and roughen up the area around them and the plugs. With some JB...
  2. K

    Blowby through vent tube? Mercruiser 3.7

    One other thing to check, remove the breaker plate in the distributor to make sure that the centrifugal advance weights,springs and support pins are tight. If they should become loose then there will be an over advance condition that can cause damage. Delco inline distributor bodies are prone...
  3. K

    Stalling issue

    Remove the fuel suction tube from inside of the tank. There is a very fine screen filter inside of the tube. Remove the screen filter and pitch it.
  4. K

    5.0 swap to 5.7 what carb is the best

    Are the holes the same size or the rear are much larger than the front? 4 even sized holes are what the Edelbrock fits on and most Holleys. Large secondary are primarily for Qjets and some Holleys. Carburetor gaskets are all the same, marine/auto.
  5. K

    No water

    If you replaced the shift cable and did not remove the water pump then you may have not have connected the water tube correctly into the rear of the swivel bearing. As SD said go over what you did with the water pump. If you did replace the water then either the 1/2 moon key slipped or you...
  6. K

    5.0 swap to 5.7 what carb is the best

    Remanufactured Quadrajets @ Summit Jet-33004. 650cfm. Divorced choke. $419.00 Jet-33005. 750cfm. Electric choke. $419.00 Edl-1410. 750cfm. Electric choke. $545.95 If your manifold on the new engine is the spread bore style you will save some some money with the...
  7. K

    5.0 swap to 5.7 what carb is the best

    edl-1409 Edelbrock at Summit. $545.95. 600 CFM
  8. K

    Volvo Penta 5.0 GL-B does not go properly

    Get a jumper wire and connect the + battery to the + side of the coil then spin he engine and check for the spark. If the spark improves then try starting the engine, if it starts disconnect the jumper wire. It will probably be the main starter solenoid. Measure the voltage at the purple wire...
  9. K

    Volvo Penta 5.0 GL-B does not go properly

    The voltage at the coil is 12volts while cranking the engine? There should be a blue spark at least 3/4” from the coil wire to ground.
  10. K

    1974 seawirl ranger merc Cruze 4cyl

    How long have you had this boat? When was the last time you have known the engine to run? Does the distributor shaft rotate when trying to start? If yes remove the grey wire from the distributor or negative side of the coil leaving the black wire attached. Spin the engine over and with the...
  11. K

    Volvo 275 retaining pawl wont release - sometimes

    If the rod is bent that could why it is not releasing.
  12. K

    Volvo Penta 5.0 GL-B does not go properly

    Yes check the purple wire. Good luck.
  13. K

    Volvo Penta 5.0 GL-B does not go properly

    With a test light or volt meter check to see if the ignition “by pass” circuit is working. Probe the + or bat side of the coil when in cranking mode. There should be full battery voltage at that point. No or low voltage is a symptom of hard starting. If so then the problem will be caused by...
  14. K

    Mercruiser 5.0 Oil Pan Replacement Tips

    Also replace he timing chain covers. They were never painted because the harmonic balancers covered them. Use the engine’s serial #s to get the correct pans. The 1 piece pan gaskets with the metal slugs are the best. FelPro and some others make them. 1/4” 20 and 5/16” 18 should be the thread...
  15. K

    Ticking or chirping noise coming through exhaust

    It could be a leaking exhaust valve. Possible burned or a weak valve spring. Try a compression test.
  16. K

    Carburetor Comparison

    If the replacement carburetor is an automotive and not marine it will not perform right. It has a high idle cam which is not what you want on a marine engine. There are venders that specialize in rebuilding Rochester carburetors. You can send in your old one for an exchange or they will...
  17. K

    Volvo 275 retaining pawl wont release - sometimes

    The button should be sticking higher than it appears. It is threaded onto the rod. It could be possible that the rod is bent. With a pair of offset needle nose pliers it is possible to unscrew it to make it closer to the foot of the ram. be sure that the coil springs on the locking pawl are...
  18. K

    Won't idle

    If there ever was a problem with water in the fuel it could be rust from the inside of the fuel rail getting into the fuel injectors.
  19. K

    '02 Mercruiser 5.0 MPI - Oil pressure switch location?

    If you have 1 sender it will have more than 1 wire. Just be sure the wires are not damaged before removing the sender. Sometimes a gauge that has pegged really hard damages it where it will not read anymore. Try to post the serial # of your engine.
  20. K

    Volvo AQ225 dipstick crossover

    If all else fails then try this. Most probably your engine uses 5 quarts of oil. Drain the oil and get a new filter. Put 5 quarts in the engine and get any dipstick that that hits the bottom of the pan, cut and mark the stick where it shows full after starting the engine.
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