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  1. T

    Knock Sensors?

    Thanks for advice!
  2. T

    Knock Sensors?

    THX!!! Makes sense!! My wiring runs parallel on the stb motor side to module and distributor. I wonder if there is shielding available for KS wiring? How far from plug wires do you recommend? I don't how I can get them apart more than a couple of inches. If my old memory serves me correctly, KS...
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    Knock Sensors?

    Please use "English" for an old fart like me! THX!
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    Knock Sensors?

    I have TB 5 with Knock sensors but I am a little confused. If the KS module detects "knocks" does it totally retard timing to -0- or only reduce timing enough until it stops sensing any knocks?
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    Another gear lube monitor fitting breakage issue

    You may also think about some sort of turn buckle (kinda like a reverse gear puller) if you can find a strong anchor point to press against. I used 3/4" conduit and 5/8" bolts/nuts to squeeze plywood against epoxy and transom skin. I created enough pressure to squeeze out epoxy resins when I...
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    350 Mag MPI Horizon died at sea, cannot find the problem.

    Check for the green crap (corrosion). Check battery posts.
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    Another gear lube monitor fitting breakage issue

    Try a 2-3# sledge on it (if room) but make sure that you protect threads. You may be able to thread a nut onto brass threads (Try 2-3) and use a deep well socket to slip over brass flair to where it touches nut. That way, you will be hammering on nuts. Use Lots of break-free lube and soak over...
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    Replacing gear lube hose between transom and bell housing

    My bravo hose barbs were brass or bronze, except hoses and plastic/nylon hose clamps. I guess I was lucky. No "e clip," instead a lock nut. Luck again???? Maybe can be re-troed??????
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    Replacing gear lube hose between transom and bell housing

    Just use a sharp knife (scripto or razor) and cut vertical slice on hose just enough to bend hose and pull off. I replaced a couple a few months back. I believe hose is 1/4" ID and will be difficult to squeeze cam-latch nylon hose clamps back on but it can be done. The one on transom was the...
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    Crank mount pump conversion - any reason NOT to do it

    Lots of new plumbing required for a little bit of gain, if that.
  11. T

    No Spark

    Salt water boat? Check for corrosion. The green stuff!
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    1992 Mercruiser 4.3 Alpha One Gen II has water in oil after rebuild.

    Author wasn't clear and I agree.
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    1992 Mercruiser 4.3 Alpha One Gen II has water in oil after rebuild.

    Is there a chance water is dripping into motor via carb? My opinion, never re-install gaskets after torqueing them. Just my 2 cents. Take out all plugs and retest pressure after squirting inside pistons with oil. Make sure compression tester's release valve doesn't leak. My did one time. Take...
  14. T

    5.7L V8 Engine lock/clunk problem

    Check your timing. At least that will solve problem or direct you to something else, maybe....
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    Oh this can't be good. MErcruiser 5.0L loud clicking.

    Much worse, even if it is surveyed...
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    Oh this can't be good. MErcruiser 5.0L loud clicking.

    "Engine Priming too?" Getting old and loss of memory sucks!
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    External Oil Filter hose routing?

    Thanks to all! I am fearful of rubbing and not seeing abrasions too. I may see if splicing a larger hose and inserting the two 1/2" hoses into it for protection is an option. However, tie wrapping on top of bellhousing may be the best and cheapest option. THX!!
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    Oh this can't be good. MErcruiser 5.0L loud clicking.

    Water over damn now, but in the future it is best to circulate oil via special tool inserted into distributor hole (I can't remember name of it) . It is turned using drill and circulates oil. Carb may be gumed up. Before tearing down, make sure it is getting plenty of gas from fuel tanks. Mud...
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    External Oil Filter hose routing?

    I am restoring an older Sea Ray that has two Chevy V8 stroker motors/Bravo 1s. Covid and heath issues have delayed my progress to the point of frustration. Both motors have external oil filters that attach to risers nearest the sides of the boat. I photo-ed oil filters and attachments but forgot...
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    Rebuilding Mercruiser Trim Cylinder/Bravo 1?

    I have rebuilt Alphas in the past but cannot remember exactly where the continuity spring fits inside the the end cap. I downloaded manual 90-863160--1 JUNE 2003 page 5B-3 but photo is not clear, at least to me. I guess I am getting old? Does the spring fit snug inside an o-ring grove and up...
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