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I have an aftermarket mechanical oilpressure gauge under the dash on my car. It is fed by a straight copper tube. When the engine is idling, the needle bounces all over the place. I have another oil-filled gauge under the hood that registers 70 psi, with no bouncing. Do I need to put a couple...
Had that happen to me. Took off oil filter and screwed around for half hour or so. Filled filter half full put it on fired it up nooilpressure. Had to remove pump and white lube it. Now no screwing around once filter comes off.
Someone on here made a comment about a mounting gasket being made with the wrong hole alignment. They had pictures of the wrong holes affecting oilpressure.
My experience with the stuck bypass valve was the result of a very small metal shaving getting wedged between the pump body and the valve……. Resulting in it being stuck in the fully closed position.
This was a 340 with a Melling M72HV pump.
The result of that was a hot idle oilpressure of about...
Dipstick, I don't even know if my 2019 V6 Durango has a Dipstick. It just turn over to 22,000 miles on it and had its first oil change at 500 miles like I've done with every new car I've ever owned. It's had 6 oil changes in 22,000, besides the first one. If it can't last that long without...
Or I changed mine 3x once and last time believe it or not my valve cover breather was plugged ( thought I had clean one from because at the time there was was no resto ones available and had a newer Mopar high domed chrome one on with chrome valve covers and during resto of the car put all my...
True - I used the wrong word. I should have said there is no supply of oil to the bearing from the oil pump, so what oil is there has nopressure behind it and little ability to keep the two from touching.
So five main bearings, each with an area about twice the size of the thrust surface... Add to the they are horizontal surfaces where oil with tend to puddle whereas the thrust surface is vertical and tends to shed oil...
Enough already, you do you, I'll continue to put my manual trans in...
FWIW, mine was on my '77 360 Ramcharger daily driver way back, early '80s. One cold morning I started it up and seemed fine. As it warmed up the oilpressure dropped off considerably. Shut it down checked oil level which was fine and no shiny particles on the stick. Restarted and pressure came...
Last year I dealt with the dreaded rear main seal leak on my coronets 318. After trying four different seals I was able to stop the leak. A couple of weeks ago I noticed a drop of oil at the bottom of the bell housing and panicked! I removed the transmission inspection port and nooil buildup...
He's giving us oilpressure numbers, does the stock gauge do that? I have used an oil pump gasket on a small block, or not, no change in oilpressure, for me.
I have to agree with Dwayne that if the relief valve is completly bottomed I've seen close to 200psi. Install the cup backwards in a small block and see what happens. My belief is that some oil is always bypassing. But by the time that there is a spring that holds the valve that far bottomed...
...correctly before proceeding. Cranked it with a remote switch (ignition off).
I could see that the air bubbles in the oilpressure gauge line were not moving. Cranked for 10-15 seconds, nooilpressure.
I didn’t like that, so I pull the distributor and primed with a drill. Came right up to...
Ever watch an oil sight glass for a sleeve bearing where you increase flow and pressure and all of a sudden it starts foaming? I have. No foaming at lower flow and pressure. Does the same thing happen inside an engine? How do you know? Like I said, talk to a tribologist if you want to get...
I had this happen on my 383 recently. The engine had a full rebuild and I was changing out the break in oil. Put in new Penn Grade oil and WIX filter and once the engine started, nopressure and lots of upper end clatter. I shut off the engine and checked to be sure I didn't have a catastrophic...