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It turned out I had done the ATF flush and oil change in 2018 but didn't record the hours. So the total hours on the oil I drained out is less than originally posted and the age of the oil was around 5 years instead of 7. The cold start up oil pressure has always been close to 50 PSI. It has...

Thanks for sharing the comparison. I wonder if the ATF content could have flawed the fuel content percentage. The oil level doesn't change up or down on this unit and it seems to burn around .7 GPH. I will probably have it retested in a 100 hours or so to see what difference the current oil...

Oil test results are finally in. Based on my memory of events and history of this machine I think the oil was diluted by doing an ATF flush and not getting all of the ATF out before refilling. This engine is and has been at the lower level of oil pressure since I got it but runs steady with no...

STP High Viscosity Oil Treatment

Got around to changing the oil this afternoon. I used Mobile Delo 1300 15W-40 and added 15 ounces of STP. Ran it a while with a 40 amp load and it got down to 22 PSI and stayed. I was hoping for a little better but it's close enough to the 25 PSI minimum spec. I pulled a good sample in a clean...

DOH! It just dawned on me I did a ATF flush in 2018 and when I drained and refilled with the prescribed amount it was overfilled by almost a quart on the stick. I just remembered the bodywork was bent at the drain and I wasn't sure I got all the ATF out. I THINK I straightened the body and just...

I'm a little ahead of you guys on the oil sample recommendation. I already ordered a sample kit from Blackstone. The unit has 2856 hours on it and 239 on the oil but the oil has been in it for 7 years. It's had a couple of week long outages and some shorter ones with a monthly one hour exercise...

It's borrowed 7 years worth of outages at that pressure.

My morning crisis was averted with a 30 minute cool down. After that it restarted and ran 6 more hours until our power was restored. I'm thinking it just thinned a little more when I opened each door for the morning inspection for leaks. It had been running for 50+ hours continuous at that...

My MEP803A has always had marginal oil pressure. After it heats up it settles in around 18 PSI. I have a manual gauge added for reference and it mirrors the reading on the panel gauge (when that works). I am on day 4 of continuous running and this morning right after I topped up the fuel it was...