Should i change to a syn. Blend oil. I have 188000 miles on my ford-F-150 5.4 Lt?
Should i change to a syn. Blend oil. I have 188000 miles on my ford-F-150 5.4 Lt?
You still have to follow the same oil change intervals as before. And you should probably choose a high mileage synthetic. So don't do it for the money savings because there isn't any. But it's a much better oil and will reduce engine wear from this point on.
I don't agree that synthetics are in any way better unless you decide to turn you truck into a race vehicle or wish to go to part of the country where the temp goes well below zero. All these people will no doubt tell you that the majority of wear is at start up and synthetic oil does not cling any better then good oil motor oil so where is the advantage?
Now if you wished to go to a high mileage oil there are advantages. Additives to help seals and also additives to help limit wear on main and rod bearings
Yes they are actually. They burn at a higher rate and cause less sludge in the long run. I had an oil change done once cuz i was to lazy and busy to do it myself they used a non-synthetic blend and it clogged alot (still gotta do the oil changes about once a year or how ever many miles it says tho, whatever comes first). All in all if you ask any good mechanic(I've been one for over 20 years) they will tell you always go with full synthetic its just better for your car/truck. Especially if you go up hills or use the freeway alot.
The two things I liked about synthetic oil over regular oil was "Less sludge" and "More miles between oil changes." However, the extra expense doesn't justify the "more miles between changes". Sludge? That's a different story. If you're notoriously poor at regular maintenance then I'd suggest the synthetic. If you wait till your oil is black before you change it - maybe you should get a horse instead. A car won't last long with black oil.
High mileage Valvoline works well too.Don't change to a heavier weight oil.
J J - you really, really need to take the time to read this:
http://www.bobistheoilguy.com/motor-oil-101/
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