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Old 11-12-2012, 07:04 AM   #16
daveoneshot
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Rotella is popular at the local drag strip in Central Florida, both bikes and cars.
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Old 11-12-2012, 07:09 AM   #17
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THE only fail with Rotella is that it comes only in 10W40 and not a "50" weight, which is outside of BMW specs. Which may or may not be a valid criteria. My preference is Spectro Golden 4, but this is just a preference.

Back when I exclusively used Castrol GTX 10W50 when it was a SG-spec oil. I took a break from motorcycling for most of the '90's and when I got back, discussions were hot and heavy on the ZDDP issue and I changed over to Spectro at that time.

I'm sure that there are several good oils available, just make sure they have the ZDDP additive. Let me check my online references to see if they are still "live" and I'll post them.

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Old 11-12-2012, 07:18 AM   #18
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I've read that to much ZDDP is bad too. This adds more fuel to the flame.
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Old 11-12-2012, 07:33 AM   #19
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"ZDDP was reduced in automotive oils thanks to the EPA. It was believed that it would shorten the life of catalytic converters. 20-50 was supposed to unaffected because it is not used in modern cars. You might contact Castrol and ask them what the concentration of zinc is in their (I assume) GTX 20-50."

I contacted Valvoline about their VR1 oil and ZDDP levels, never heard back. If anyone has data from any oil companies, I'd love to see it.

I've read that Valvoline VR1 is good to go for our airhead engines. Anyone know for sure?

As far as motorcycle specific oils, is there data that shows adequate levels of ZDDP? I've seen both Castrol and Valvoline m/c specific oils, are we talking the ones marketed for V Twins I'm guessing?
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Old 11-12-2012, 04:35 PM   #20
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Castrol edge 5w50 is reformulated for classic, flat tappet vehicles, with added zinc. I talked to a castrol rep online, confirmed that it has at least 1300 ppm of zinc. Its synthetic (which is usually good).

I use Redline zzdp break-in additive in my airhead with penzoil 20-50. Only has a couple thousand miles since rebuild. Will switch to the castrol stuff after its worn in a bit.

One of the issues is that the new cam doesn't have the protective effects of the zinc that has been there previously. If run in with a really high level of zzdp, lower levels of zzdp are tolerated.
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Old 11-12-2012, 05:12 PM   #21
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Not an oil thread??????? Bwwwaaaaahhahahahahah!!!!!!!!!!!!!
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Old 11-13-2012, 01:01 AM   #22
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As far as I know, Rotella no longer has ZDDP in it. A lot of diesels now have cats, and I've never seen it 20W50. Valvoline VR1 has ZDDP but you have to buy the actual race oil for non street vehicles. Which is hard to find in auto parts stores as they can't have people putting it in their cars and fowling the cats. Who reads the labels but us any way? I've done a lot of looking around as I live in the boonies, 80 miles away from any BMW shop. Best thing is to buy motorcycle oil. Besides; an airhead holds what? 3 quarts?
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batoutoflahonda screwed with this post 11-13-2012 at 01:08 AM
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Old 11-13-2012, 03:44 AM   #23
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ALL dino DIESEL OIL is 15/40 weight.
FYI...
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Old 11-13-2012, 04:28 AM   #24
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Nah I'm running 20/60 Diesel - Penrite 100% dino plenty of zinc cheap ( compared with MC oil) available at auto store. You probably have something similar available for older diesel engines. Most of our lubricating oils are from imported stock as the local stuff gets the aromatics split off then turned into jet fuel and light crude.
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Old 11-13-2012, 09:17 AM   #25
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Forgot I had this bookmarked. Here is a good article and oil break down list of common oils you may find in your stores.

http://www.jeepfan.com/tech/more-tha...out-motor-oil/
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Old 11-13-2012, 11:27 AM   #26
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I don't see Valvoline 20W-50 for 4 stroke motorcycles in that list. It's labeled as "meets or exceed JASO MA API SF/SG/SJ..." Does this mean it has enough zinc?
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Old 11-13-2012, 02:42 PM   #27
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Quote:
Originally Posted by Big Bamboo View Post
I don't see Valvoline 20W-50 for 4 stroke motorcycles in that list. It's labeled as "meets or exceed JASO MA API SF/SG/SJ..." Does this mean it has enough zinc?
That oil is designed for engines with the trans sharing the oil. Either the V-Twin specific or VR-1 Valvoline in 20/50 is a better choice for the Airheads, and yes they have a high percentage of ZDDP.
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Old 11-13-2012, 04:34 PM   #28
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Brad Penn oil....................do a search on the web.
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Old 11-13-2012, 10:34 PM   #29
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Quote:
Originally Posted by One Less Harley View Post
Just a cautionary note-


What if any assembly lube did you use ?

Did you bed the cam in ?





Quote:
Originally Posted by disston View Post
How does one find out how much ZDDP is in any particular oil?

And I have seen several riders post that they would add ZDDP or use an additive that has ZDDP. I've never seen a mention of what this additive is. Anybody know the name of such an additive?


This stuff seems to do the trick.

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Old 11-13-2012, 10:55 PM   #30
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I'm using Valvoline XLD Classic 20-50 in my R65 - SG rated. I'll be doing a UOA on it when I change it soon to see if it's what it's cracked up to be.
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