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    4.3gi no start new ICM. how to set base timing?

    Cracks, rust. I locked up #6 because of leaking manifold. Tried to stretch them one more season and that was a bad idea. Luckily got it un-stuck and running just fine.
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    4.3gi no start new ICM. how to set base timing?

    Whens the last time you check the exhaust manifolds and elbows.
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    1990 OMC 4.3l Cobra ASKING FOR ADVICE

    If you can't sell it whole. The accessories should sell pretty easily if priced good. Damn things cost an arm and a leg new.
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    Remove One Exhaust Bolt - Need to redo all bolts with new gasket?

    No need I've removed one bolt before and put back no leaks.
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    Power Steering Cooler Replacement - Access

    No the 2 black ones under it. Could just be my eye balls.
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    Power Steering Cooler Replacement - Access

    Hard to see but isn't that the steering lines going up and over the block? If not I'd take off the manifold off.
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    I need help, boat runs rough and stalls. I pumped new gas and lots more.. I need help

    Can you take a pic of the notch on the pulley and the timing gauge lined up? This is jumping around so much I'm not sure steps are going in order.
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    I need help, boat runs rough and stalls. I pumped new gas and lots more.. I need help

    I think still jumping in deeper than you need to right now. I saw you pumped new gas but did you run it on a portable tank? Also might of missed this but are you sure you got the motor at TDC before even starting the timing procedure?
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    I need help, boat runs rough and stalls. I pumped new gas and lots more.. I need help

    Tach doesn't always go to 0 when turning motor off. My 4.3L never did. If you are getting RPM readings I don't think its the wire shorted.
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    VP 8.1 GX-i running like crap

    I like to use my test light so I don't get zapped.
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    VP 8.1 GX-i running like crap

    Air fuel spark Really hard for us to help over the internet without much information honestly.
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    I need help, boat runs rough and stalls. I pumped new gas and lots more.. I need help

    Jumping in late. You sure you didn't forget to tighten down the bolt for the distributor? Timing shouldn't really change just sitting there.
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    VP 8.1 GX-i running like crap

    What did they do to make it run last time? I'd start there.
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    Moving outdrive with engine off?

    My 290 couldn't. Was hard enough using the wheel with the engine off.
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    AQ280 y pipe fitment

    Project boat fun. I'd also redo the stringers.
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    Stern Drive Mystery

    Just start with the easy stuff. Hook up a couple gallon tank with fresh gas.
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    4.3lx power steering fluid cooler replacement

    You sure its coming from the cooler? Not sure how your pump is oriented but mine was on toward the bottom of my 4.3L so the hoses ran under the manifolds then up and over the bell housing. My hydraulic hose was rubbing against the block and started leaking. Couldn't see it until I cleaned the...
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    1999 VP 5.7 GSi - No Spark

    My 4.3L had the same issue with the rubber plug. Guess it was exposed to so much heat or whatever it was hard and would actually slide off. Had to crank down on that hose clamp until I was able to replace.
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    Stringers

    Well I wouldn't of put the motor and outdrive back in if I was still working on stringers Can't just finish the stringers first?
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    Starter angxt (?) ?

    I think you just need a shim kit. Can get it any auto store. I had to shim my 4.3L starter after replacing it. I got pretty damn good at installing shims while not being able to see the flywheel. Guessing multiple times on what shim(s) to use before I got it to work.
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