Lots to go back and check now. Oil clearance in bearings both rods and mains. Not hard to do withpan off. then the oil clearance in the cam bearings. IF old bearings and they ground the cam did you get the bearings from the machine shop or get them yourself? the oil clearance in cam bearings is the first to leak off oil pressure. Pull the tappet cover and look for oil coming up through the valve train while idling and warm. If you have that most likely your gage is not good new or not. This will also help tell about the oil pump if no oil at the vale train then weak pump or excessive oil clearance problem somewhere. And then what oil are you using and what temperature are you running outside now. If southern warm temperatures with 10 weight oil there is probably your problem. If northern cold temperatures and heavy oil it could be starving for oil till it warms up the oil. By then the engine is worn enough to loose oil out the bearings faster then even a new pump can fill it. Then there is your oil pump is it new or just the old one with no checking of fitness for internal parts on it. Easiest thing is to change the oil gage and see if there is a difference first then dig deeper if that is not it. Maybe even use the old gage to check with.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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