Quote:
Originally Posted by tvfreakazoid
i was reading the car maintenance bible and it stated not to use additives. Well I my car burns oil through it's exhaust, I assume the seal is getting bad. I use an additive that helps slow down the process. In the maintenance bible it stated using additives could cause to have sludge build up. Should I be worried or is it other additives that can cause these build ups?
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There are two major posibilities here. Either your piston rings are badley worn allowing engine oil to seep up into the combustion chamber and burn with the fuel/air mix. This would push the burned oil out the exhaust valve and ultimatly out the pipe. Usually a faint blue color with a unmistakable smell. The other posibility would be that you valve guide seals are leaking oil from the top of the head down into the combustion chamber. The difference can usualy be told by if it smokes all the time "Rings" or just after leaving a light "valve guide seals" If it is the rings causing blow by then you will be in need of a total engine rebuild. Valave guide seals can be changed easily by a experianced mechanic. In either situation I dont recomend any engine addiditives, how ever. If it is the rings going to a thicker weight oil can help slow the problem down. IE 15W40 instead of a 10w30. Using the thicker oil makes it harder to seep past the rings and seals. In the event that it is your rings sludge build up should be the least of your worries. If you choose to use a additive I would not use anything with teflon."Slick Fifty" uses teflon. Teflon is a great lubricant, however it is not oil soluble, so it will clog oil gallies over time. This will starve vital parts of your engine for oil.