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Which one do you think is better
I use syn. from sept to apr. b/c of the amount of time I start the truck -25+, syn. oil will not be like glue in your oil pan, I also run syn in the tranfer-case and diffs. sure makes a difference when it's cold out:icon_eek:i just use what it says. I mean syn. oil is good, but its a long lasting, better protecting oil...BUT that being said, if you change your oil every 3 months or 5000KM's, do you need long lasting?
I put Synthenics into my BMW since i run it hard and in higher RPMs (not that i know it helps for sure, but it makes me feel better) but as for a DD, and you infact change it often, ide stick with the cheaper non-synthetic
i herd that its not good to use fully synthetic oil on bran new engines because its two thin and they cylinders need to make there grooves first or something like that. and if you use it on really high mileage engines it may get rid of the carbon build up thats keepin it from leakin oil or something
I've heard this aswell..i herd that its not good to use fully synthetic oil on bran new engines because its two thin and they cylinders need to make there grooves first or something like that. and if you use it on really high mileage engines it may get rid of the carbon build up thats keepin it from leakin oil or something
ya...even though it's better than 15-20 yrs ago, we still get -25, -30 for a week at a time several times throughout the winter, so syn really helps^^ i guess i never thought of it in that sense, ive lived in a area where -5 comes like once a year and -1 like 5 times. Even where i live now max is about -10.