maximum damage

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I am about 1500 miles into my auto rx rinse on my jeep. once completed I am going to run GC with a napa gold oversized filter. I have seen this oil easily go 10-15k and am going to give it a shot it my jeep. However, I got to thinking and here is my question.

I plan on going 10k-12k and changing the filter at 7k followed with a uoa to get a base line.

What if I got a coolant leak, major fuel dilution, insoulubles, etc. ? How much damage could one long OCI do to my relativly low mileage 99 jeep 2.5L (39,xxx miles) with a 4 quart sump?

I have faith that the oil should hold up way longer I am just thinking about the other things that may go wrong. Are long OCI's risky? Although I am not held back by the 3k oci I am concerned about the possibilty of somthing else happening and not knowing about it for 8-12 months.

I know I "could" get a uoa midway through my run, but for the cost I could also just drain and refill my sump with GC and for a few bucks more I could add a new filter.
 
quote:

Originally posted by wn1998:


I know I "could" get a uoa midway through my run, but for the cost I could also just drain and refill my sump with GC and for a few bucks more I could add a new filter.


But the day after you pulled that sample something could happen .

My best advice is that no oil "easily" goes to 15k miles period . All the ducks must be in a row whether it be driving style , engine type and how well the rings seal and more .
Always keep watch on coolant level , water pump seep ect even if doing 1500 mile intervals ... it's all the same when watching under the hood no matter the miles .
 
Personally I think a 6 or 7K mile interval is a god place to check a UOA and then go from there. A coolant leak can cause problems in a shorter period of time. If it is severe it can be catastrophic. When you look at equipment wear vs water concentration (even worse-coolant) it gets very ugly with water.
 
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