Synthetic too slick??
#41
02-22-2010, 09:53 AM
One thing different from the cars is that we do not run 5w-30 oil in our bikes as they are air cooled. Harley engines and aircraft engines are a different breed from the car engines, and most other motorcycle engines. I do not know of any car engines that use roller brgs. on the rods, or camshafts for that matter.
Just me, but I do not believe it is the slickness that might be a problem. On the other hand I am not convinced that there isn't a problem. I have heard of problems with synthetic in aircraft engines also. From what I have read, they have switched back to dino. Our Harley engines are very much like aircraft engines in that they are both air cooled, and run at fairly low RPM high torque.
I also do not know if we will ever know, as both synthetic, and dino seem to work without problems in most bikes. Just something to think about.
Just me, but I do not believe it is the slickness that might be a problem. On the other hand I am not convinced that there isn't a problem. I have heard of problems with synthetic in aircraft engines also. From what I have read, they have switched back to dino. Our Harley engines are very much like aircraft engines in that they are both air cooled, and run at fairly low RPM high torque.
I also do not know if we will ever know, as both synthetic, and dino seem to work without problems in most bikes. Just something to think about.
I ran a very slick synthetic in my old '96 Evo and it is still running today with no engine work at 120k miles.
#42
02-22-2010, 10:48 AM
One thing different from the cars is that we do not run 5w-30 oil in our bikes as they are air cooled. Harley engines and aircraft engines are a different breed from the car engines, and most other motorcycle engines. I do not know of any car engines that use roller brgs. on the rods, or camshafts for that matter.
Just me, but I do not believe it is the slickness that might be a problem. On the other hand I am not convinced that there isn't a problem. I have heard of problems with synthetic in aircraft engines also. From what I have read, they have switched back to dino. Our Harley engines are very much like aircraft engines in that they are both air cooled, and run at fairly low RPM high torque.
I also do not know if we will ever know, as both synthetic, and dino seem to work without problems in most bikes. Just something to think about.
Just me, but I do not believe it is the slickness that might be a problem. On the other hand I am not convinced that there isn't a problem. I have heard of problems with synthetic in aircraft engines also. From what I have read, they have switched back to dino. Our Harley engines are very much like aircraft engines in that they are both air cooled, and run at fairly low RPM high torque.
I also do not know if we will ever know, as both synthetic, and dino seem to work without problems in most bikes. Just something to think about.
Ron
#43
02-28-2010, 01:50 AM
Road Captain
virtually all 'high duty' engine (aircraft, ship, crane, etc.) manufacturers recommend various synthetic lubricants.
I am sorry - on a soap-box now.
But, stop and check the emotions at the door - how could 'too slick' be a problem? When I was but a ute
I heard this argument and laughed at the idiot.
People get way to emotional and just stop using good sense.
...gene
I am sorry - on a soap-box now.
But, stop and check the emotions at the door - how could 'too slick' be a problem? When I was but a ute
I heard this argument and laughed at the idiot.People get way to emotional and just stop using good sense.
...gene
#44
02-28-2010, 09:05 AM
The synthetic aircraft oil issue is 30 years old. Ancient history.
The issue was that the fuel was leaded fuel, and the detergent package was not correct for that type of fuel.
Oil too slick for an engine. I always get a laugh when I hear that.
Use the proper weight oil and you are good to go, syn or dino work fine.
Too many people are obsessive about oil, it`s more important to worry about how much air pressure is in your tires than what type of oil is in the engine...
The issue was that the fuel was leaded fuel, and the detergent package was not correct for that type of fuel.
Oil too slick for an engine. I always get a laugh when I hear that.
Use the proper weight oil and you are good to go, syn or dino work fine.
Too many people are obsessive about oil, it`s more important to worry about how much air pressure is in your tires than what type of oil is in the engine...
#47
03-02-2010, 09:32 PM
Advanced
STP Oil Additive
Anyone remember the old STP television commercial where the guy could hold onto a screwdriver dipped in car oil, but absolutely couldn't hang onto the screwdriver dipped in STP? Seems even in the '60's they were trying to make oil slipperier!
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