HNTFSH wrote:Thanks for the input guys. Not being a motorhead of ANY sort Fewer changes sounds good but also know (or hear) once you go sythentic you have to stay there.
My goal is improved life versus frequency of service and not sure if that is really what the synthetic buys ya?
Hookedonducks wrote:Synthetics are the only way to go. Like previously mentioned the extended drain intervals pay for the small cost difference several times over. My last truck had 220,000 on it when I sold it and I changed my oil every 12 to 15 thousand miles. I highly recommend Mobil One synthetics. The only downside to these oils and the extended drain intervals is that oil filters wont last as long as the oil. Change the filter around 6 or 7 thousand miles and top off the oil and no worries.
Hookedonducks wrote:ajmorell, do you know anything about amsoils diesel oil? I've been thinking about running it in my current truck but have heard mixed reviews. I know amsoil makes a good product we run it in our race engines that run methanol but run mobil one in the gas engines due to cost. I didnt realize that amsoil made an oil filter.
dieselduck wrote:Mobil 1 is not truly full synthetic oil. They won a lawsuit a long while back and they are allowed to put full synthetic on the bottle even though its not 100% synthetic. If you want the best of the best in synthetic check out Schaeffers. If you know what youre looking for in oil read its specs. Amazing stuff. I drive a 04 Chevy diesel and personally run dino Rotella 15w-40 and have for 100k.
dieselduck wrote:That is not necessarily true. Mobil 1 is good stuff but I don't run it over rotella. Oil choice both type and viscosity are application based. "conventional dino oil" such as mobil delvac or shell rotella have much better detergents for diesel applications. Ask any big trucking company they all run either delvac or rotella. Ive been a diesel mechanic so this is not speculation either. It's rpm dependent and most diesels run under 4k Rpms. Dino oil just doesn't break down at that low of a load range. I do run mobil 1 10w-30 in my transfercase however as it's a chain driven unit and it's outstanding for that.
REM1100 wrote:I switched over to 100% synth oil at the first 1000 miles as I had heard that some engines burn oil in the Isuzus and never wanted to add a liter every 1000 miles. apparently with the high temps ordinary oil gets really burned off.
Also I change every 3000 miles of Canadian climate.
Last Dec we had went ice fishing 105 miles and idled the engine all day and drove back home and found out the oil filler cap was not put on and there was oil all over the engine compartment an the dipstick was barely registering any oil and two years later and 200,000 kms it is still running and only burns a half a litre of oil per 3,000 miles plus it starts better in the winter and I get about 1 1/2 miles per gallon increase My 97 grand am runs on Walmart syn and has 190,000 and only burns a third liter every 5000 miles
Also when I pull out my spark plugs in both vehicles they ar e all whitish tan without any carbon residue
ajmorell wrote:IMO yes it is 100% worth it I run 12k changes in my Jeep Grand Cherokee.
waterfowlhunter wrote:Did you not just replace the engine in your GC due to the engine seizing up?
waterfowlhunter wrote::lol: Just had to pull your chain
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