Does Synthetic oil really make a Harley run cooler
#22
06-20-2012 | 02:23 PM
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Joined: Feb 2010
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From: Green Country
This answer is close but still some fiction is included.
Synthetic oils aren't man made. They are made from crude oil,broken down into its basic parts then recombined.
Secondly synthetic oils last longer because of their level of purity. For example a group 3 basestock is considered synthetic in north America due to it's level of refinement. It uses hydrogen bubbled through the crude to eliminate impurities such as aromatic parafins
Synthetic oils aren't man made. They are made from crude oil,broken down into its basic parts then recombined.
Secondly synthetic oils last longer because of their level of purity. For example a group 3 basestock is considered synthetic in north America due to it's level of refinement. It uses hydrogen bubbled through the crude to eliminate impurities such as aromatic parafins
#23
06-20-2012 | 02:28 PM
Off subject, but a random Poping might not be a bad thing. You know there's that whole living in the Vatican thing to be considered. : ) Sorry, I had too. Resume...
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#24
06-20-2012 | 02:33 PM
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From: Green Country
Did you copy this from the mobil1 web site? It's an interesting story about the molecule size and heat transfer and all that, but it's just a story. If that were true, which I don't believe, the difference would be negligible. Besides in the end, the vast majority of the heat of the engine is a product of the combustion of the fuel. Only a small percentage is due to friction. The whole argument about synthetic is slipperier is a line of bunk that the synthetic oil companies want the consumer to believe.
Stick with the manual is the best advice. Dino oil is all the engineers at HD call for.
Stick with the manual is the best advice. Dino oil is all the engineers at HD call for.
#26
06-20-2012 | 03:53 PM
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From: Beaumont
#27
06-20-2012 | 05:52 PM
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From: Green Country
I've never noticed any difference in temps as I didn't have a gauge. I did notice a difference in the appearance of internal components during engine work between periods of dino versus syn usage. The biggest difference I found was in switching the transmission fluid from dino to syn.
#28
06-20-2012 | 07:49 PM
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Joined: May 2012
Posts: 222
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From: Central Texas
Switched from HD Syn 3 to Mobil 1 V-Twin last summer. Like the Mobil 1 better and it's cheaper. As far as the temps go, I've never measured on mine. My little sister rides a Sporty that has the dipstick with the temp gauge and it seems to run a little cooler. I've used Mobil 1 in both my truck and my car since I've owned them (bought both with 70K on the odometer)and both have over 200k on them right now. I'm a believer.
#29
06-20-2012 | 11:04 PM
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Joined: Jan 2008
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From: Republic of Texas
Same analog thermometer in both bikes at same conditions one day apart. Changed to syn and seen a 15-20 degree drop. The only variable was the oil change. I did it and seen the results with my own eyes. All the proof I needed but this post is the only convincing that I will bother with. Your bike, run what you want. I really don't care much.
