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Posted 11 August 2004 - 10:53 AM
My poor little 91 has been really working hard for me, and racking up the miles. Lately I noticed that I'm using more oil in between changes, about 2-3 quarts each time. I have a feeling my rings are going bad (I was flogging it pretty hard on some windy roads for a while), but I don't have the time right now to rebuild an engine. Replacement is easy enough, but I don't have the $$ for a new engine right now (blasted college). I thought of two things:
1. Run a 50/50 mix of 10w30 and 20w50. This is an IDEA and I have not done it, mostly because I know that newer engines need to run a thinner oil in the first place. Would this make my situation worse???
2. Use Engine Restore. A friend reccomended this stuff, and I like it because it's not the mild "engine honey" solution. My only worry is that it has particulate matter suspended in the fluid, and it's supposed to "bind" to your cracks and pits, and restore compression. I'm sorry, but "bind" is not a good word to combine with engine.
Any other ideas, thoughts, rants?
Posted 11 August 2004 - 11:11 AM
now that i have make the bad joke... just about any "engine fixit in a bottle" outside of injector cleaner... usually does more harm than good
but thats just from what i know..
Posted 11 August 2004 - 12:53 PM
As far as additives, I suggest Auto-Rx. It's supposed to clean up the rings and condition the seals, reducing oil consumption.
Posted 11 August 2004 - 01:00 PM
I'd run 20W50 anyway. With that many miles, the oil seals are finally starting to age, and your engine bearings might be pushing the service limit on clearances.
Posted 11 August 2004 - 01:51 PM
Posted 11 August 2004 - 02:06 PM
Use the board's search engine to pull up posts on the product Auto-Rx. It's amazing the number of people who thought they had worn rings be surprized to find out they had basically had a stuck, coked-up ring pack. At least 10 gazillion (or thereabouts) people have had their compression come back and their oil consumption come down.
I'll second 99obw's suggestion to use a 15W-40 HDEO fleet-oil like Pennzoil LL. Use it during the Auto-Rx treatment, then continue using afterwards to keep things clean.
Posted 11 August 2004 - 02:34 PM
Also replace your PCV valve. Those can blow some oil by too if they are constantly stuck open.
Posted 11 August 2004 - 04:13 PM
The PCV valve is great advice.
Posted 11 August 2004 - 05:03 PM
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