Thanks everyone for your input and advice . I followed Redlyr's advice and similar advice on the issue, so I went with Motorcraft Synthetic Blend 5W-20. I think it is a good oil and should do fine.
To elaborate, it is too late to switch to a synthetic if the prior owner has been using conventional motor oils. Switching to a synthetic in a car with 88K can cause leaks to appear, and I agree, a pony or two is not worth the aggravation.
that's a myth.
when i bought my car, im not sure if the previous owners used synthetic the whole time they had it, (let's just say it's not likely), and i've put about 45K miles worth of synthetic oil in my car. it has not created any leaks.
didnt it used to be the case that seals would get all messed up because of synthetics but the formulas of synthetics have evolved over time to fix that sort of thing from happening?
This topic has been beat to death. Synthetics in high mileage cars is not a good idea. I'm not saying it will always cause a problem, cause it doesn't. But from my personal experience I would not do it because i've seen things happen. There is nothing wrong with regular oil, why pay more when it's doing the same thing? The fact is that with high mileage cars they build oil films in the engine, and the cylinder walls. When you decide to use syn at that high mileage, the syn is so strong that it eats away all those films of oil, causing leaks or causing the car to burn a lot of oil. Again, not saying this happens to every car, but i've seen a car blow a rod bearing because it burned through all it's oil after using syn, and ran dry causing the engine to blow.
232 - You need to read the entire post... It says CAN cause leaks... It has happened.... documented many times... Check the link on my third post in this thread and read it. And I couldn't be happier that it didn't happen to you.
BTW, yesterday I saw a person smoking a cigarette while fueling his vehicle and the gas station DID NOT explode into a fiery mess. Doesn't necessarily make it a good idea though.
232 - You need to read the entire post... It says CAN cause leaks... It has happened.... documented many times... Check the link on my third post in this thread and read it. And I couldn't be happier that it didn't happen to you.
BTW, yesterday I saw a person smoking a cigarette while fueling his vehicle and the gas station DID NOT explode into a fiery mess. Doesn't necessarily make it a good idea though.
i already did read your post.
i change synthetic oil in cars with 120K+ miles on them all the time...a few times a week at least; and i have YET have a comeback claiming an oil leak, or have a comeback due to an oil-leak related problem.
BTW, you COULD kill someone with a quarter, but the chances of it ACTUALLY happening are slim to none. doesnt necessarily make it something to worry about.
i change synthetic oil in cars with 120K+ miles on them all the time...a few times a week at least; and i have YET have a comeback claiming an oil leak, or have a comeback due to an oil-leak related problem.
Just for the sake of the discussion, you are getting your Hyundai customers to flip from conventional oils (which they no doubt started with) to a synthetic oil at high mileage (80K or better on the odo) at least a few of them per week. Because that is what we are talking about here.. changing from conventional to synthetic at high mileage. I could be wrong here, or even politically incorrect, but I don't see most Hyundai owners as big time, high-mileage, synthetic oil converters.
Regardless, and assuming your statement is correct, this discussion is boring me. I stand by my statement, that changing to a synthetic late in the car's life CAN create problems. Even if YOU have had no personal experience with the problem (I haven't either) doesn't mean it's a "myth" or that it hasn't happened to someone else. Perhaps you should tell the people in my link that the oil on their garage floor was just a "mirage".
Just for the sake of the discussion, you are getting your Hyundai customers to flip from conventional oils (which they no doubt started with) to a synthetic oil at high mileage (80K or better on the odo) at least a few of them per week. Because that is what we are talking about here.. changing from conventional to synthetic at high mileage. I could be wrong here, or even politically incorrect, but I don't see most Hyundai owners as big time, high-mileage, synthetic oil converters.
Regardless, and assuming your statement is correct, this discussion is boring me. I stand by my statement, that changing to a synthetic late in the car's life CAN create problems. Even if YOU have had no personal experience with the problem (I haven't either) doesn't mean it's a "myth" or that it hasn't happened to someone else. Perhaps you should tell the people in my link that the oil on their garage floor was just a "mirage".
Peace.
not just little old ladies drive hyundais, all types of people drive them, and believe it or not some of them put a little extra effort into taking care of their cars despite the fact that it's a hyundai.
bottom line, synthetic oil is not this ba$tard super mutant oil that you're making it out to be.
and as for the people in your link, perhaps you should tell them that higher mileage cars tend to leak oil regardless of what type of oil is in them.
not just little old ladies drive hyundais, all types of people drive them, and believe it or not some of them put a little extra effort into taking care of their cars despite the fact that it's a hyundai.
bottom line, synthetic oil is not this ba$tard super mutant oil that you're making it out to be.
and as for the people in your link, perhaps you should tell them that higher mileage cars tend to leak oil regardless of what type of oil is in them.
good day to you, sir.
I back you up 110% 232.
There is absolutley no harm in switching to a synthetic oil regardless of miles. The only thing that is going to cause a leak is if the wrong type is put in, as 232 said. As a matter fact, switching to synthetic oil is the single best thing you can do for your engine. If you change at regular intervals, you will get more mileage out of your car then you ever would with a conventional. Any moron will tell you that. Synthetic is by no means "just like conventional but costs more." It's more expensive for a reason. Better protection, engine life, and longer interval changes won't come as cheap.
I've done my own research, maybe you should go a little more in depth Tex
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Thanks 
. I followed Redlyr's advice and similar advice on the issue, so I went with Motorcraft Synthetic Blend 5W-20. I think it is a good oil and should do fine.
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