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  1. Rick Stephens

    Mercruiser 3.0 135hp. Crank and rods

    I'd be running the stock piston type. Not sure why anyone would put a higher compression piston in an industrial motor.
  2. Rick Stephens

    Alpha one Gen 2 Impeller Direction

    I've always been told they'll flip themselves the correct direction once they get into higher RPMs. Obviously that isn't always the case.
  3. Rick Stephens

    Water Leaking from engine MercCruiser

    I guess you figure wrong.... I can only guess.
  4. Rick Stephens

    Single point drain tech tip

    My old boat never had single point. I'm really gratified to see a solid stream out of block drains done the old reliable way. I'm blessed with great access, at least compared to many setups, especially side by side down in the hole twin cruisers. I'd have full heat exchange systems in any boat...
  5. Rick Stephens

    1994 Mercruiser 3.0 high idle off plane

    Might be an intake leak.
  6. Rick Stephens

    1994 Mercruiser 3.0 high idle off plane

    The online service manual can be found at http://boatinfo.no/lib/mercruiser/manuals/mercruiser13.html
  7. Rick Stephens

    Alpha 1 Gen2 - Gimbal ring tabs cut off

    Only reason I can think of that one might do that is to fit a Gen2 drive on an Earlier Alpha1 gimbal housing. The Gen2 drive is wider there than the Alpha 1. So whacking off the guides would allow it to bolt up.
  8. Rick Stephens

    Intermittent oil pressure readings

    After verifying with a mechanical gauge, start cleaning connections. Pay particular attention to grounds at the engine. Since both gauges are erratic, the problem is most likely at the other end, the motor. Stainless toothbrush time. Crawling around and inserting yourself into places not meant...
  9. Rick Stephens

    Starter issues

    Pull the plugs and make sure not full of water!
  10. Rick Stephens

    Overhauling my 1988 MerCruiser 4.3 ltr. engine

    Oil pressure sensor.
  11. Rick Stephens

    1997 Maxum 5.7L Mercruiser need carburator

    A motor that filled up the cylinders with water from the intake side will have rusted a few things as well. Rings and cylinder walls get rusted pretty fast, and they will cause both wear streaks and pitting will be left behind on the walls. At times if the rust is bad on the rings they will...
  12. Rick Stephens

    Overhauling my 1988 MerCruiser 4.3 ltr. engine

    Back then, it was only a little over $20k biotch. Great motor other than the tendency to bust cranks from over torquing. The 4.3L V6 isn't known for that particular problem. Rivergator has an unusual cause of death here.
  13. Rick Stephens

    Overhauling my 1988 MerCruiser 4.3 ltr. engine

    Amazing picture. Last crank I broke was a Cummins VT903 V8 crank. Balancer went bad and the crank broke off between it and the front bearing journal. No torque load there at all, just vibration.
  14. Rick Stephens

    External Oil Filter hose routing?

    Whatever is simplest long term. It won't matter mechanically where the hoses are. Make it easiest to maintain and access everything else.
  15. Rick Stephens

    Alpha 1 Gen 2 Impeller install

    Slide it down tight. It'll be fine... it'll even come up a bit on its own as there is a bit of leakage from the pump. All that top ring does is keep the water and exhaust mixture that is flowing rapidly by from eroding the shaft opening on the top of the pump housing.
  16. Rick Stephens

    Help with 5.7L front motor mount bracket location.

    For convenience. Whichever is easiest.
  17. Rick Stephens

    Mercruiser 5.7 Thunderbolt 5 Hard to Start

    Appears you have a spread bore intake... probably means a Quadrajet carburetor. Dump the Seloc. If you want to purchase a hard manual I found them here.
  18. Rick Stephens

    Help with 5.7L front motor mount bracket location.

    Stick the water elbow and hose in and on.
  19. Rick Stephens

    Mercruiser 5.7 Thunderbolt 5 Hard to Start

    '99 have a Weber carburetor?
  20. Rick Stephens

    Mercruiser 5.7 Thunderbolt 5 Hard to Start

    Not to change your direction of thought here, but this sounds like the carb rebuild needs doing again. You said you're flooding. You have spark. TV is very trouble free, or it doesn't work at all. I would suggest you open the service manual for your motor, if you don't have it, use the free...
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