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[LarryB]

I know none of use use this stuff in our bikes but I'd like some feedback on it. HD now claims it is a Full Synthetic. bottle doesn't say Blend either. while talking with customers, I'd like to have more ammunition.

[admccrea]

I just switched from Syn3 to AMS oil and the topend of my motor is much quieter.  I dont think i will go back.

[Gecko]

It is a full synthetic.  In one test - the results are posted on here somewhere - Syn3 ranked middle of the pack for wear resistance.  It's not bad, there are just better ones and some people report less engine noise after they switched.  I didn't, but did notice the transmission was better shifting.   Remember that Harley for years swore you should not use synthetic oil in their bikes (because they didn't have one to sell you).  Now that they do they all but swear you should use only theirs, but nothing changed in the engines that would make synthetic any more applicable.   As for ammunition with customers, it's like with most things; if the viscosity and rating are okay they are likely good enough, so find one that you like.  The leaders seem to be Amsoil and Mobil 1 for the engine.  For the driveline Redline seems to be better than motor oil.

[LC110]

Citgo is still making HD motor oil products.
This is what I have run is all my bikes with no problems. 
http://www.bradpennracing.com/Products/SAE20W50.html
Good O American made oil. I use the racing oil not there motorcycle oil.
If you look at the specs, the 20w50 racing oil has a higher HTHS.
The HTHS of the 20w50 racing oil is 6.2, which is the highest HTHS vis of any 20w50 I've ever seen.
It even bests Amsoil's 20w50 motor cycle oil which has a HTHS of 6.02. The HTHS for the Penn Grade 1 20w50 MC oil is 5.7.
HTHS = High-Temperature High-Shear
Low HTLS would give better efficiency or MPG. High HTLS gives more durability.
You can email them and ask who sells it near you.
Or you can get it on line here www.theoilwarehouse.com

[LarryB]

thanks for that info, would have a hard time selling a quart of oil for 36+
penns site says it's a blend

[LC110]

That is $36.66 for 12 quarts of oil. Yes it is a blend. I have been very happy with it for years.
Some just cost more than others. That does not mean they protect any better.

[Hoist!]

I use Motor Factory, or HD 20-50 DINO oil! Change every 2K max! But if you don't get the heat outta them motors, you NEED synthetic!!! No need for that Syncrap in a REAL, properly running A/C V-Twin engine!

Hoist!

[gordy]

Wouldn't a "full synthetic" oil be totally manmade.  I don't know of any of the common oil that is not made with petroleum base stock.  According to my Lucas guy, the syn oil has a synthetic molecule added to the base/so how can it be "full synthetic".   HUHHHH

[LarryB]

this is good stuff, keep it coming

[LC110]

"100% Synthetic Motor Oil" may not really be "100% Synthetic Motor Oil", but it is perfectly OK to say that it is 100% Synthetic Motor Oil, because the Base Stock is 100% Synthetic. A Synthetic Motor Oil contains as much as 20% of Petroleum, because the Petroleum is not the Base Oil but the Carrier Oil for the Additives.
Oil companies spent millions of $ and many years of lawsuits on the term "Synthetic".
What finally evolved was that the label term "Synthetic" is a marketing term, and therefore it is up to the "marketer" of the oil, to define what "synthetic" is.
Most people do not understand that.
The only real way to find out how a oil is working in any engine is by taking some of your used oil and having a oil analysis done. Check the web or goggle "tribologist" There a plenty of labs that will test your oil some for as little as $20.00

[Hoist!]

"100% Synthetic Motor Oil" may not really be "100% Synthetic Motor Oil", but it is perfectly OK to say that it is 100% Synthetic Motor Oil, because the Base Stock is 100% Synthetic. A Synthetic Motor Oil contains as much as 20% of Petroleum, because the Petroleum is not the Base Oil but the Carrier Oil for the Additives.
Oil companies spent millions of $ and many years of lawsuits on the term "Synthetic".
What finally evolved was that the label term "Synthetic" is a marketing term, and therefore it is up to the "marketer" of the oil, to define what "synthetic" is.
Most people do not understand that.
The only real way to find out how a oil is working in any engine is by taking some of your used oil and having a oil analysis done. Check the web or goggle "tribologist" There a plenty of labs that will test your oil some for as little as $20.00

Holy crap! Everything you ever wanted to know about oil but were afraid to ask!

STLE

Society of Tribologists & Lubrication Engineers

Motor Oil Myths and Facts

Bob Is The Oil Guy

Polaris Laboratories-Oil Testing and Analysis

Interpreting Heavy-duty Motor Oil Analysis Reports

"The company you use should be able to help you interpret the results you get from your analysis. There are various tests that tell you different things:

    * Trace metals - indicates how an engine is internally wearing. Most helpful when repeated test are done.
    * Particulate - indicates how well the oil filter is performing
    * Fuel & glycol - can indicate a leaking head gasket or worn rings
    * TBN (Total Base Number) - indicates how well the additive package is holding up. Helps determine if the motor oil is being used for too long, or could be used longer.
    * Viscosity - indicates how well the oil is holding up. Helps determine if the motor oil is being used for too long, or could be used longer.

Oil analysis can be expensive. Prices range from $30 to over $100 per sample. Is it worth it? Yep, that's also up to you."


Thanks for the info!

Hoist!

[SBB]

I thought this was an interesting read.

Amsoil
Amsoil actually makes some very good products. The negative image of Amsoil is due to their distribution method (MLM) and their marketing approach. If Amsoil products were competitively priced with Mobil 1 and other synthetics, and if I could buy them in a store, I would not hesitate to use their XL-7500 synthetic as opposed to Mobil 1. What upsets me about Amsoil is that they didn't disclose until recently (and then it was by accident) the real reason that their oils (except for XL-7500) are not API certified. In the past they came up with all sorts of bizarre excuses about the reason for their lack of API certification and this greatly contributed to the distrust that people have of the company.

Hmmmmmmmmmmmmmm


SBB

[sportygordy]

just going through the 2010 Screaming Eagle Pro Racing catalog and noted on page 71 shows only two engine oil options. A Screaming Eagle SYN3 100% Synthetic Motor Lubricant 20W50 and an Screaming Eagle Synthetic Blend Motor Lubricant 20W50. Does this mean the 100% Synthetic Blend is 'new' this year? They keep the name SYN3 for 100%  but don't mention the Synthetic blend is o.k. to use in all three holes  

[LarryB]

just going through the 2010 Screaming Eagle Pro Racing catalog and noted on page 71 shows only two engine oil options. A Screaming Eagle SYN3 100% Synthetic Motor Lubricant 20W50 and an Screaming Eagle Synthetic Blend Motor Lubricant 20W50. Does this mean the 100% Synthetic Blend is 'new' this year? They keep the name SYN3 for 100%  but don't mention the Synthetic blend is o.k. to use in all three holes  

this is what caused me to start this thread

[sportygordy]

this is what caused me to start this thread

YUP, it doesn't look like they offer a pure dinosaur oil anymore.. Looks like Hoist has gotta look for another brand.