Search results for query: no oil pressure

Why does it need more oil pressure? He has 70-80 at cold idle, is that to low, because it too will be going up a lot with 50w oil. How is more oil pressure going to cool the valve springs at idle? Flow provides more cooling, pressure is resistance to flow. Thicker oil doesn't flow as much as...

I had that problem once except it was on a Hemi so there is no valley pan. It was just impossible for oil to get there. There is no place for oil to come out of that would end up there. It was impossible. After several months I finally figured it out. I had a different problem causing big time...

If you had no air bubbles what makes you believe you had air up top? You mentioned having the cam blocking air to the top.... The oil pump is what's referred to as a "positive displacement pump" which means if it's turning it will displace oil... But if it's not turning it acts as a blockage...

I have been installing oil accumulators on my performance engines/engines that can sit for months without running. Mike

Ohh..well as I had the pan off, I just did pressure going into the oil galleys from the bottom? I was getting air up top. Thats when I ran the camera into the right water bank looking for air bubbles with soap water and WD and I found no leaks there. Now that won't get me to the web, but...

He's a little concerned and would like a little more hot idling oil pressure. No big deal, a lot of people are like that. It won't go up at cold idle with thicker oil because the M-63HV bypasses at around 75 psi. That's why he has 70-80 now.

I still say everything could be fine. When people get low hot oil pressure they think they have a "bad" oil pump. No. These oil pumps almost never give it up. I started a 55 year old Road Runner with the original oil pump a few months ago. The pressure relief was stuck. I don't know how much oil...

In my experience, lifter bore clearance bleeds more oil than large bearing clarances. You have proven what those in the know have said. Relief spring pressure has nothing to do with idle pressure. You've also learned that water temp and oil temp take two very different time lines to achive. The...

Got Fuel Tank plumbed and got Fuel gauge working. Let the Charger run for 20+ minutes today! Good oil pressure and got it up to temp with no leaks. Alternator seems to be charging. Ready to pull out of shop!

There is a small pump (I believe it's a 4 lobe epitrochiod type, similar to the engine's oil pump) mounted on the back of the housing, driven by the compressor's crankshaft....perhaps your pump was inoperative or it's oil pickup tube was blocked. The pressure switch should have prevented the...

Evening All Nearing completion of my 67 gtx restoration and have run into a problem with the oil pressure warning light. I have put an original 426 Hemi 4 speed into my gtx, an original 440 car. Purchased all new m&h hemi underdash, front engine/light harnesses and positive battery cables. The...

1970 Ralley dash on a RR. Been having issues with either no oil pressure showing on the gauge or it pegs past 80 lbs. I am on the third sending unit and no change. Decided to change the gauge itself. Still nothing. I also have the RTE voltage limiter. And the wiring is 10 yr old M&H. I need some...

A snapped driveshaft is commonly from a piece of crap getting sucked in locking up the pump.. otherwise there's no reason the shaft would just " break"

Low oil pressure at idle means oil is internally leaking faster than with factory clearance. Where? More than likely lifter bores. Possibly some extra bearing clearance as well. Can you do anything about the lifter bore short of bushing them. Or reaming for a larger lifter? No. Obviously the cam...

This is what I get for running my mouth. But at least I didn’t put any oil down. Saturday after my second pass the engine was running rough on the return road and the oil pressure seemed a little low. But it was only 15 minutes between runs so the oil was pretty hot. I nosed the car into the...

Your oil pressure is too low! It should be between 40 and 45 psi no matter what oil you use! I personally use the 20/50 Castrol in my 440 that was built in 98 and runs as strong today as the day it was built! Sounds like you have a weak spring in the oil pump

Whole lot of difference between 30wt and 50wt. I'm not 100% with you on this because I've been thru this. I don't like heavy oils and use straight 30wt as my limit but an hv pump will only make very marginal low rpm differences and I think he already has an hv pump on the engine. There are no...

I don't understand "bored for a bigger cam". It sounds like you are having problems with your automatic choke. This can be difficult to sort out, as it can only be done with a cold engine/carb. Low oil pressure with no loose bearing sounds could be cam bearings. Back to the mysterious "bored for...

Brand new, never used, Chrysler 485hp small block crate engine. We had planned to install this engine into a Dodge Street car project however due to health issues we decided to stop the project and sell the parts. It was stored for some time so we had it internally inspected and it's in great...

"Zinc" or "ZDDP" as an engine oil additives are actually zinc dialkyldithiophosphates. Think of this stuff like salt. You pour salt in water and dissolve it. Now you have salt water. You can pour it through a sock, an oil filter, cheesecloth, whatever - and you still have salt water You...