Recent content by Rat_Patrol

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    1985 Onan B43 engine, which oil?

    Originally Posted By: Bandito440 Originally Posted By: jhellwig I'd run straight 30wt in it. That has the least consumption in my 318 with the p218. It likes to drink multi weights. Straight 30 in a Minnesota winter for splash lubrication? I don't imagine there'll be a lot of splashing going...
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    1985 Onan B43 engine, which oil?

    Originally Posted By: jhellwig Originally Posted By: Rat_Patrol Its the 316, no filter. And my Onan does not have the simple plate over the fuel filter adapter unfortunately. Interesting. I think the P218g all had filters. I just assumed the B43 did also. Yeah, JD was able to save probably...
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    1985 Onan B43 engine, which oil?

    Originally Posted By: bmwpowere36m3 For an old splash lubricated flat-head... 10W-30/40 is fine. What temps to you expect to encounter? The only downside to going thinner (0/5W-)might be increased consumption, but you won't know till you try. I have no issues changing oil with temps, but in...
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    1985 Onan B43 engine, which oil?

    So the JD 10w-30 (looks like dino oil) would be better than an automotive type full synthetic 10w-30? For the 2-3 oil changes a year @ 1.5 quarts, a couple extra bucks per quart won't break the bank by any means for the better stuff.
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    1985 Onan B43 engine, which oil?

    Its the 316, no filter. And my Onan does not have the simple plate over the fuel filter adapter unfortunately.
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    1985 Onan B43 engine, which oil?

    I have said engine in my garden tractor, which is used as a garden tractor, not mowing. It is a mostly pressure lubed engine (rear cam bearing is splash, valvetrain is splash). Manual calls for oil ranging from 5w20 for -20F to 20F to SAE30 for summer use; 30F and higher. Engine is older, but...
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