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    5.8 pcv question

    I have the 1989 5.8 omc . Are the pcv valves different in marine use or are they the same as an automobile. Allso, on the 5.8 I have a carb spacer on the bottom of the carb. It has a nipple that sticks out of the back ,one of the pcv hoes is suposed to go into this and the other is suposed to go...
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    trying to get 500 more rpm.

    Engine is runnig good as is . 5.8 omc at wot i am at gps 35mph at digital 4000 rpm on very choppy water. prop is aluminum 4 bld 15X16. boat is 24ft 2455 normal weight is probably around 7000lbs. i know recomended wot is 4500. should i leave it alone or can i make some adjustments like change...
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    1989 5.8 omc wont go past 2500 rpm

    Re: 1989 5.8 omc wont go past 2500 rpm replaced plugs with oem plugs gaped them to .45 runs great. gps speed said 32 at 3700 rpm on verry chopy lake. however when i pulled the champion plugs i found this. where did the rest of it go.
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    omc 5.8 1989 oil change best oil to use?

    About to change oil in engine . Omc recommends 30w oil . Is this the best oil to use in a hot Texas lake or is there something beter now.
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    1989 5.8 omc wont go past 2500 rpm

    1989 5.8 omc with hei dist from AAAmarine with E3 spark plugs will only go 2500 rpm, but I am able to go 30 to 35mph and I come out of the hole great. Engine never stumbles and at 2500 rpm it runs strong but won't go any farther I know I should be able to go 45 to 50 and be ataround 400 rpm. I'm...
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    1989 5.8 shift problems

    1989 omc shift problem. will not shift out of gear unless i shut engine off. once i shut engine of i can shift to either forward,reverse, or neutral, but if i want to shift out of gear it wont let me. out of water it shifts fine in water not at all. i have an hei distributer with an esa shift...
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    rochester carb flooding engine?

    Re: rochester carb flooding engine? quick update .i changed the base gasket to the thicker 1/4 inch gasket and tightened everything down yesterday started it first thing yesterday morning and started perfectly. ran for about 20 min runs smooth shut it down waited 15 min and no start. didnt get...
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    rochester carb flooding engine?

    Re: rochester carb flooding engine? this is the set up . the in line fuel filter wouldnt have anything to do with this would it?
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    rochester carb flooding engine?

    I think my carb is flooding my engine. It runs great when I first start it after I shut it down for a while it won'tstartagain. Unless I let it sit for a few hours. I have a large fuel filter attached to the fuel line. It is a 4 brl Rochester quadrojet on a 19789 5.8 omc any thoughts?
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    5.8 0mc with hei distributer starting problem.

    i have an 1989 omc 5.8 and have recently replaced the points with an aaa marine hei distributor. at first it started right up but here recently i am having trouble getting it started after it runs for a while. once its running it runs perfectly . this distributor must have a minimum of 12v...
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    trolling motor on 6000lb bayliner 2455?

    I am wondering what is my best option for an emergency trolling mitr for my boat. It's 20 plus years old and I just don't want to be stranded if something gos wrong on the lakelQuestion is how big of a trolling motor would I hav to have tio get me back to the dock, or should I get a small gas...
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    1989 omc 5.8 bayliner turn key to on and temp gauge jumps to hot?

    1989 omc bayliner 5.8 turn key on and temp gauge jumps to max temp position. Any reason why? This has never happened before.
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    gas leaking around spark plug ?

    Gas leaking around spark plug. I think its gas. Engine runs fine but I noticed that it is leaking around a spark plug any ideas what caused that? 1989 5.8 omc. Thanks.
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    bayliner 2455 winch size?

    Quick question . What size winch do I need for an 1989 bayliner ciera 2455 it weighs 5000lbs dry.
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    5.8 omc wont shut off.

    Re: 5.8 omc wont shut off. It has to have a full 12 volts when cracking. It is an hei distributor .
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    5.8 omc wont shut off.

    I have installed an hei distributor and it requires a full 12v to start. The only way i can start it is if i run a wire from distributor directly tax the battery. It starts right up this way .... And keeps running even after key is shut down . Only way to stop it is to disconnect the wire from...
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    5.8 exhaust manifold gasket? stainless or sierra brand.

    I am replacing gaskets on my 5.8 omc exhaust manifolds and raises should i use Sierra gaskets or stainless gaskets also should i use gasket dealer.
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    5.8 omc not starting HELLP!

    Re: 5.8 omc not starting HELLP! Am I measuring this correctly? When I crank it it falls to 7 to 10 ?
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    5.8 omc not starting HELLP!

    Ok . I have a 1989 2455 with a 5.8 omc that i can't get started. This is what i have done. 1. New Rochester quadrojet carb 2. Replaced points with new hei distributor with new plugwires and new plugs and new cdi ESA. 3. Cleaned all contacts 4. Set distributor to Tdc 5. Checked and checked plug...
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    1989 5.8 omc 351w installing cdi hei distributor. help!

    I am replacing the old distributor with a cdi hei distributor. I have replaced the esa as well . I need help with wiring. Any schematics for this would help. Thanks
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