So I'm re-freshing this 350 my friend has, and I pull the oil filter off, and not a drop of oil comes out. Not only that, the filter is dry, and it looks like the oil filter adaptor has never seen a drop of oil. Its a 1977 350 from a G10 van, and he had a PH13 oil filter on it (dont know where that number came from). Rest of the engine seems to be getting oil just fine. Any ideas?
What about that part that bolts inside the oil filter boss on the block, you know the thing your filter spins onto. There's some kind of mechanism in there that acts as an oil filter byp*** if your filter gets plugged. Maybe that has something to do with it?
remove the filter mount ***y that lucky 77 spoke of and crank the engine over if you dont get oil ill be surprised.
I don't know how far your "refreshing" took you. But, there's a little soft plug in the block, under the rear main bearing, that if left out, won't send oil to the filter. But, i don't think it should be dry completely. Have you put a gauge on it?
You're turning the oil pump with a screwdriver in a drill clockwise, right ? And the oil filter is always filled with oil before installation.
Did it ever run? Have you ever run it? Has it been stored? What exactly are the details of the situation?
Are you sure the oil you ARE seeing isn't from the ***embly process, and it's got no oil pressure at all? Also, WHY didn't you fill the filter with oil before instaling to eliminate oil delivery void on startup? Shame. Always fill the filter (unless it's upside down mounted of course). Does this thing run? Are you just cranking it?
This engine was JUST pulled out of a running van my friend had. Never had any issues with it. We pulled it to put it in another friends Camaro because his motor went south. I was putting a new cam, timing set, and gaskets in this 350 and when I pulled the oil filter I found this surprise. The motor was just in the van like 3 weeks ago. I drained all the used oil out of it seconds before I pulled the filter, and as usual I expected to get a hand full of oil as I pulled the filter, but none came out.
Just to make it clear, I'm talking about the OLD filter that the engine was running with for the last 3k miles in the van, removed with the old used engine oil. Used oil everywhere in the motor, but NONE in the filter or on/near the filter adaptor.
Amazing, just friggin' amazing! I guess it's possible that the wrong filter could have created this phenominon, but it's still AMAZING!
Well, you confused me when you claimed to have "refreshed" the motor. Anyway, even a wrong filter would still be soaked from being screwed on the adapter. Even if the soft plug i mentioned was left out, the filter should still have some oil on/in it (did you read the post about the soft plug?). Just for kicks, with the filter OFF and a pan under the car, crank it with the ignition disabled and see if any oil comes out
Said soft plug blocks the main p***age outta the pump right above where the rear main feed is, straight up from the pump...it forces all oil except for the unfiltered rear main feed through the filter area...but like Groucho, I don't see how NO oil would get into the filter, it just wouldn't flow. Filter is only a couple of inches from p***age...start by pulling filter and the adapter it screws onto and probing the feed p***ages...also buy a new filter you are sure is correct! Examine byp*** valve in adaptor...Most wrong filters willhave an internal byp***, while Chevy puts it in the adaptor...maybe haveing two would bollix it up, but I can't see how. Study everything you can reach, then screw in a cheap mechanical OP gauge and verify if engine is actually pressurized.
not thst this is important to your situation but i run a ph 13 on my 327 ..and as far as i know its tha same block as the 350's..ph5 is just shorter..i think
PH 13 is an old application for multiple GM V8s. I ran them on my Oldsmobiles. Should not be a problem.
On a SBC the oil filter rubber gasket should be near the outside of the filter sides. It is a larger diameter gasket. Not like a Buick olds pontiac filter which will have a much smaller diameter gasket. But I think if it was the wrong filter it should have leaked? It could not seal if it was wrong since the gasket mating surface is on the block, not the filter adapter. Yeah check your cranking oil pressure. Oil goes from the pump to the filter on the SBC, and then to the rest of the engine.
I've run ph13 filters before on 305's and 350's without any problems. My guess is that the byp*** valve is stuck. I found the same thing on a Datsun that I owned. When I pulled the filter it had new clean oil in it from when I filled it when it was installed. My solution was to trade it for a "parts" truck that was the same as my Chevy.
I'll say it's safe to say in all this, that it's nothing to do with the wrong filter. "IF" it's wrong, oil might not go through it, but, oil will get TO it, and it'd be wet.
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