The herd grows

[RichLo]

Go to the highest point on the engine where you can find oil and that's where you'll find the leak.

Unless the hood insulation is leaking...

 

[0xDEADBEEF]

I think 90% of it is the oil filter housing. It looks like a river of oil coming down the side there. Here's another pic of it.

I ordered new AC Delco gasket, o-ring, bolts, and oil cooler line clips for it today. I'll probably wait until the temps are at least down into the 90's to attempt it.

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[0xDEADBEEF]

New gasket and all that stuff installed. The OE gasket was about 50% missing. I couldn't find all the pieces to make a whole one out of them, so that's good. The parts that were left were a royal PITA to remove.

The housing was leaking so bad that after replacing the gasket and o-ring the oil pressure gauge is reading 20 psi higher than it was before.

Pro tip: install these damned clips while you have the housing on the bench. It will save you an hour of cursing.

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[fancyTBI]

New gasket and all that stuff installed. The OE gasket was about 50% missing. I couldn't find all the pieces to make a whole one out of them, so that's good. The parts that were left were a royal PITA to remove.

The housing was leaking so bad that after replacing the gasket and o-ring the oil pressure gauge is reading 20 psi higher than it was before.

Pro tip: install these damned clips while you have the housing on the bench. It will save you an hour of cursing.

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Similar thing happened on my ‘95. It wasn’t leaking as bad as yours. I removed the oil cooler entirely and I gained 5-7psi across the board.

 

[0xDEADBEEF]

I will say that while I was down there, I was very pleased with what I saw. It's never seen salt or mud in its life. It's very clean for an old truck. Total opposite of my other kids' truck that ended up on a ranch for the last few years before we got it and every little job involved getting dirt in your mouth, ears, eyes, nose, hair, etc.

 

[0xDEADBEEF]

Oil changed today. Did something I don't usually do, I poured about 1/4 can of seafoam in the crankcase and let it run 15 minutes. I have no love for that tired engine so if it kills it, so be it. The oil filter felt much heavier than it did yesterday. I guess it really does something ...

Dumped the rest in the gas tank and filled it up.

 

[Orpedcrow]

They say you can put seafoam in the crankcase, but that always made nervous after seeing how well it cleans intakes.

I’ve started putting marvel mystery oil in for about the last 500 miles before an oil change and have noticed a significant darkening of the oil and lightening under the valve covers.

 

[0xDEADBEEF]

They say you can put seafoam in the crankcase, but that always made nervous after seeing how well it cleans intakes.

I’ve started putting marvel mystery oil in for about the last 500 miles before an oil change and have noticed a significant darkening of the oil and lightening under the valve covers.

Yeah, that's why this is a first for me. I was actually going to use it to clean the intake but then I asked myself if I felt like changing the spark plugs today, and I didn't. I may cut open the filter and see what it caught. I didn't think it would do much in only 15 minutes, but that filter had some heft to it.

Drove it about 30 minutes after changing the oil and didn't observe any real difference to be honest, which is probably a good thing.

 

[0xDEADBEEF]

The engine seems to really like super unleaded, or seafoam, or fresh oil, or the combination of things we did to it. It feels peppy again, as long as you don't ask it to go over 3500 rpms.

 

[OutlawDrifter]

When I pick up a used rig that has been neglected on oil changes, I'll run some Kreen through it...generally go about 500mi with it in there. It definitely cleans things out and desludges an engine.