Amsoil Synthetic Oil
01-13-2005, 06:46 PM
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01-13-2005, 07:48 PM
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Yup I waited about 10,000 miles to change my Amsoil (of course chaning the filter every 3000). Stuff lasts forever.
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01-14-2005, 05:55 AM
#8
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I've never been a big believer in any long-life oil. Most Honda motors are long life motors on regular carbon/dino oil, and the use of manufactured oils like Amsoil and Mobil One do not seem to appreciably lengthen the life of the motor.
The manufacturer won't allow you to lengthen the oil change schedule, and the oil manufacturers don't recommend it, either. So over the lifespan of the typical low-stressed 200,000 mile Honda motor, the owner will have wasted a significant amount of money.
Moreover, in high stress applications like heavy track use or racing, some long life oils tend to burn off in the high RPM motors, and some of it is quite visible. Among ITR owners, for example, Mobil One is notorious for burning in our motors.
Many of these long life oils will show very well in laboratory tests, of course. The very best of the bunch appears to be a version of Castrol Syntech (100% synthetic) that's currently being shipped to USDM from Germany. This oil and some other synthetics show an appreciably reduced amount of aluminium and other engine metals after running in the motor for long periods. This means that these oils are reducing engine wear somehow. However, if you have to change the oil at the same intervals, it burns off in track use, and it does not in the field appear to lengthen the life of the motor, what's the point in spending all that money?
The biggest name I can think of who's spoken out against spending too much money on oil is Ichishima, the owner of Spoon Sports. He went on camera to say that he felt that heavy track users were better off changing their conventional oil frequently, and investing in a baffled oil pan, than they would be spending excessive amounts of money on exotic motor oils that still had to be changed as often as conventional oils.
My personal cars are on Castrol GTX. 3,000 miles or after a track event for the ITR, and 5,000 miles on the EP3.
The manufacturer won't allow you to lengthen the oil change schedule, and the oil manufacturers don't recommend it, either. So over the lifespan of the typical low-stressed 200,000 mile Honda motor, the owner will have wasted a significant amount of money.
Moreover, in high stress applications like heavy track use or racing, some long life oils tend to burn off in the high RPM motors, and some of it is quite visible. Among ITR owners, for example, Mobil One is notorious for burning in our motors.
Many of these long life oils will show very well in laboratory tests, of course. The very best of the bunch appears to be a version of Castrol Syntech (100% synthetic) that's currently being shipped to USDM from Germany. This oil and some other synthetics show an appreciably reduced amount of aluminium and other engine metals after running in the motor for long periods. This means that these oils are reducing engine wear somehow. However, if you have to change the oil at the same intervals, it burns off in track use, and it does not in the field appear to lengthen the life of the motor, what's the point in spending all that money?
The biggest name I can think of who's spoken out against spending too much money on oil is Ichishima, the owner of Spoon Sports. He went on camera to say that he felt that heavy track users were better off changing their conventional oil frequently, and investing in a baffled oil pan, than they would be spending excessive amounts of money on exotic motor oils that still had to be changed as often as conventional oils.
My personal cars are on Castrol GTX. 3,000 miles or after a track event for the ITR, and 5,000 miles on the EP3.