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08-09-2012, 02:00 PM

#16

samajam

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Quote:

Originally Posted by Makmov

What weight Mobile 1, a lot of the standard Mobile 1s are too low in ZDDP now days.

20/50 for the last 10,000 miles, from the scattered records that I have it looks like 15/40 castrol through the late 90's early 00's and the PO used std oil for a BMW M5 which I believe was a castrol TWS 10/60

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08-09-2012, 05:33 PM

#17

Makmov

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They haven't has a std Mobile 1 20W50 for some time only the V-twin stuff, but that is ok ZDDP levels.

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08-09-2012, 05:59 PM

#18

samajam

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Quote:

Originally Posted by Makmov

They haven't has a std Mobile 1 20W50 for some time only the V-twin stuff, but that is ok ZDDP levels.

my mistake, checked the shed 15/50

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08-09-2012, 06:07 PM

#19

Laker

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M1 15W50 has 1300ppm Zinc

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08-09-2012, 07:02 PM

#20

Paulie964

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Quote:

Originally Posted by Geoffrey

I would use Elgin cams if it were me.

+1 ... You can send your cams in for a "custom grind" for a pretty cheap price.

Look into Brad Penn oil as well.

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08-09-2012, 09:21 PM

#21

Rocket Rob

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Quote:

Originally Posted by Laker

M1 15W50 has 1300ppm Zinc

Laker = FYI M1 VTwin 15W50 has 1700ppm of Zinc.

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08-09-2012, 10:59 PM

#22

Laker

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IIRC, M1 VTwin is only available in 20W50..... not there's anything wrong with that

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08-10-2012, 10:29 AM

#23

samajam

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Quote:

Originally Posted by touque

samajam, I had damage to a few of my rockers (not the cams) from a plugged hole in the spray bar. When I put a thin pick in there, I heard and felt a crunch where the oil had turned hard and crusty. Quite a few miles later, my new rockers are just fine.

Troy, is that the spray bar at the bottom of the pics...silver metal with small dia hole in it?

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08-10-2012, 07:00 PM

#24

Alan G.

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That looks like damage from more than inferior new oils to me. Those cams were chewed up.

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08-10-2012, 10:15 PM

#25

touque

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Quote:

Originally Posted by samajam

Troy, is that the spray bar at the bottom of the pics...silver metal with small dia hole in it?

yes you got it eh! Mine looked fine but like I said, it had a 'crunch' when I put a pick in there. All the other ones were fine, just that one was plugged.

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