
Originally Posted by
XCR440
I don't know about it being a farce. Way, WAAAAY back in the day when my dad switched to the AmsOil Synthetic product when it came out in the early 70's, there was a significant difference in combustion chamber cleanliness, if I can use that word to describe it.
In his 1973 TX 500 Limited, it was visibly obvious how much better it was in how the inside of the motor looked after a seasons worth of riding (1500-2000 miles). Yes, my dad tore it down every year to go through it and clean it, but not after the first season he started using the AmsOil Synthetic. Much MUCH cleaner, no carbon build up at all worth mentioning. Maybe the 100:1 mix ratio had something to do with it, my dad would mix it right to that every time. 6 gallons of gas to that 1 little bottle of oil. I couldn't tell you what my sled today is exactly, but I'm sure its not that high of a ratio.
And to your 3hp improvement (I assume your talking about with the synthetic oil) I completely agree, and on a 60hp machine (Maybe it was 70hp, don't remember exactly now) that's an even larger % increase than on todays 100+hp sleds.
Internal bearing wear is something else to consider, if you plan on running it 10k+. Better lube, less wear.
Not trying to "argue", just stating the facts that I saw growing up with that synthetic oil compared to the "dinosaur oil" that he used to run. Today's sleds may have completely different characteristics, but they are still 2-strokes.
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