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    what grade of gas to use?

    I have a OMG Cobra 3.0 I have been running lower grade gas and I am wondering if I will see better results if I switch to high grade gas and if the improvement would be worth it? Thanks in advance for everyones input
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    omc cobra 3.0

    I have a omg cobra 3.0 the out drive gets stuck in forward when in the up position at that point I have no reverse but works normal when fully down. Is this possibly a faults switch on the side of the drive?
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    1989 OMC Cobra 3.0 possible engine swap

    I possibly may have to remove my OMC 3.0 302AMRMED out of my fourwinns and was wondering if anyone knew if a OMC 6 cylinder would bolt in its place instead of replacing with the same engine. Any advice on this topic would be great. Thanks all in advance.
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    OMC 3.0 Head Gasket Replacment Failed

    I just replaced me head gasket in my 1989 fourwinns 160 freedom with a 3.0 OMC. I had a very small leak so pulled the head had it resurfaced cleaned and inspected the block really well (no cracks) put the new gasket on torqued to the 90ft lbs spec in three stages of 30,60,90#'s, fired it up now...
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    Can someone give me torque specs?

    I need to find the torque specs for my 1989 OMC COBRA GM 3.0 I ordered a manual but hasent showed up yet and need to get this thing back together. I need the Torque specs for the head, Exhaust and valve cover. If someone can help be out it would be greatly appreciated. Thanks, Jason
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    Does anyone know how to find or what the right size prop is?

    I have a 1988 Four Winns 160 Freedom with a OMC Cobra 3.0. The prop on is seems to take for ever getting out of the hole. Does anyone know what the best pitch prop is for this boat. When i bought this boat from the previous owner he had a whale tail installed on it, is that something you guys...
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    1988 Four Winns 160 Freedom Head Gasket replacement

    I am replacing the head gasket in my 88 four winns. It has a omc cobra 3.0 in it. does anyone have the torque specs for the head (I underdstand it should be a three stage torque) and the exhaust torque. Also is the rocker arm adjustments the same as any normal GM 3.0? I have ordered a manual but...
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    1989 OMC Cobra 3.0?

    I just bought a 1989 four winns 160 freedom with a 3.0 cobra in it. I am looking for some general specs on the fluid in it. what kind and how much oil is recommended, also i was told it needs tranmission fluid??? this is new to me have never had to deal with that before, when I opened the screw...
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