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Originally Posted by manlystanley
I have been looking around at the for sale adds, in the hope to update my 98 Olds Eighty-Eight. I keep on seeing that many times, the best priced used car is the Intrepid. So, I read through this forum and other sites as well and found out about the blown engines caused by sludge problems with the 2.7 liter engine.
However, getting a 2002 with 60,000 miles for only $4,000 is still pretty appealing.
I was thinking of going out to see this car. I know about the lift the oil filler cap (to look for sludge) trick. Also, I have heard that owners should look for blue smoke coming out the exhaust. But I'm not sure if that's true or not. Is there anything else to check?
As a question, are there any 'safe' oil additives that can be added to the engine to remove the sludge? If there was, I could clean the engine and then switch to Mobil 1. Also, does it help any to drop the oil pan and clean out the gunk on the bottom?
Thanks,
Stan
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Your best safest additive is no additive.
Good clean oil and good oil filter at good regular change intervials.
If using regular oil go for 2-3K changes instead of 5-6K
MT