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Type: Posts; User: makomark

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  1. Replies
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    Re: Electronic advance

    I'd say its more of a by-product of aftermarket vs OEM....with the exception of the marine use, the other applications using that distributor use an ECM-controlled timing scheme. I'd bet many...
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    Re: Graymarine Model 135

    check over at oldmarineengine.com...they Gray knowledge base is really over there....around here, I'd say we do well with everything newer than the mid 60's....
  3. Re: 1997 Mercruiser 5.7L carburator throttle plate issue

    longer isn't better...I'd suggest replacement to match what was there regarding materials.

    The screws are typically staked .... locktite should be ok if you properly prep the shaft and screws and...
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    Re: Gas Gauge Pegged

    "pegged past empty" suggests an open sensor lead....
  5. Re: Mercruiser Alpha one Gen one upper half bearing play

    And make sure the new bearings get shimmed properly....
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    Re: 270 Heat Exchanger Advice

    The remnants of the pencil should be just inside the cap....

    Its best practice to use new gaskets whenever the caps are pulled for servicing...its your choice to reuse what you have...if it works,...
  7. Re: help with right hand left hand motors rotation.

    Here's the way engine rotations are described....look at the flywheel...if it spins clockwise, its a RH engine, if it spins CCW, its LH. the LH rotation is 'standard'.

    on the BW inline reduction...
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    Re: mercury the worst purchase I ever made!

    2X...real crappy....with a few integrity issues, too.

    And then there's the whole concern about the break-in procedure.....but that's a context switch...
  9. Re: Finally - pulling the old 454's out on Friday

    I'd be more inclined to use something solid - 6x6's should be stable enough...should make the yard owner a little bit happier as well.

    I'd also have a few 1x4 (or 2x4) pieces just in case ... and...
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    Re: Merc 3.0 Won't Turn Over

    My thought was the neutral switch wasn't closed...so move the shift lever around and then back to the detent...

    could also be time to clean up the main harness connector (engine harness to helm...
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    Re: Merc 3.0 Won't Turn Over

    reseat the shift lever to neutral...
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    Re: Fuel pump issues

    After a bit of pondering, I think there is also a fuel pump relay...they are known to have finite service lives as well...
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    Re: Fuel pump issues

    they have the electric fuel pumps, right?

    if so, it could be the pump is dying or the infamous oil pressure safety switch is on the way out. best way to figure it out is to monitor the +12VDC wire...
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    Re: Water on spark plug

    specifics depend upon the cooling configuration of the engine...

    typically, you want the one-hole gaskets where the raw water flows - their use is to ensure the water passages are (mostly) full to...
  15. Re: Crank but no start after running well all day - no fuel from injectors - 2000 5.7l EFI

    thanks for closing the loop...
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    Re: Compression Test HELP

    without knowing any further details, here's one opinion....

    The test results show the engine is serviceable, per GMs current recommendations regarding compression tests.

    I'd throw the BS flag...
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    Re: HELP MAYDAY TOTALY GREEN Scallywag !

    That's not one of the adjectives I'd use....even without the duct tape....

    The cylinder looking thing is the connector that joins the harness going to the instrument panel to the engine...
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    Re: Log style riser gaskets

    Never seen what you described...the gasket needs to 'give' some in order to seal the surfaces its sandwiched between...otherwise, it won't do very well...
  19. Re: 1989 Mercruiser 3.0L Retrofit EST Timing?

    You can use a "timing tape" with your 'classic' timing light...

    personally, I don't waste time with the 'timing plugs' on the EST distributors - I just set them up for full advance and typically...
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    Re: 92 omc 4.3 valve adjustment

    probably your geometry vs the math....

    Assuming rigid bodies and ignoring the minor issues with non-perpendicular interfaces, here's my view:

    with the valve stem tip being fixed, rotating the...
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