Quote:
Originally Posted by 79transam
ok heres what ive found. we took the drain plug out of the oil pan. ran a clear 1/4" hose into a threaded adapter and installed it where drain plug goes, measured normal oil level, then i started it up and kept quick reving it to get the pressure to drop. when the pressure dropped the oil level in the tube droped to. when we measured the difference its only leaving a 1/4" of oil in the pan which is how far the pickup is off the bottom. it also starts pumping air into gauge. ( we put a clear tube on it to) so. Im going to throw a std volume pump on it. and remove the trap doors in my oil pan. if that dosnt work i will remove the plugs out of the lifter valley. at least it appears to be a cheap fix. not bearings.
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High volume pump? There might be your problem it sounds like its sucking the pan dry faster than the oil can return. I dont know about removing the trap doors though. thier job is to keep the oil in the sump on deceleration to prevent uncovering the pickup just make sure they are working properly ( IE they are not stuck shut). You might just fix one problem and create another if you completely remove them. If it were me I would try one thing at a time untill you figure it out. And it sounds like you are doing this in the car. But if you have it on a stand dont roll the engine upside down and then install the pan. Reason being on some pans it will cause the trap doors to open and stick. Moroso and others recomend the eninge be sitting up right when the pan is installed to prevent this. Good luck and let us know what you find.