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Silkolene Pro 4 XP 10W60 ? #5228898 10/02/19 09:09 PM
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daz Offline OP
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Anyone have an opinion on this? Preferably one based in solid experience rather then just using it and thinking it's great w/o reason. Because lets face it, a lot of people do that. I was using M1 V-twin before but it's a model that inherently has some piston slap and i thought this might help tame that a bit, but i have no idea whether this is a known good oil or some budget junk. Never heard of it till someone told me they use it and suggested its a good quality oil.

Re: Silkolene Pro 4 XP 10W60 ? [Re: daz] #5229003 10/03/19 12:21 AM
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Silk Offline
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Made by Fuchs....I used to use it years ago when it was more available here. I think I was using the 15W-50 off road stuff. I use their 2 stroke when I can find it too.


1987 BMW R65 - Penrite VTwin 20-50
2005 Nissan Expert - 5W-30 Castrol Edge
1996 Volvo T5 - Penrite HPR15 - 15W-60. Ryco syntec filter.
Re: Silkolene Pro 4 XP 10W60 ? [Re: daz] #5229019 10/03/19 02:30 AM
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bonjo Offline
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I used the 10/50 version of the product. Initially, it was good but after about 2000miles, I noticed the oil would not circulate as quickly on the first start of the day with a cold engine. The oil pressure light stayed on a split of a sec longer than what I was used to. I though maybe the 10w part had become 20w! or the oil drained to the sump more overnight

On paper it has all the right spec but at the 4 k mark I changed to motul.
M1 has an amazing staying lubrication power on starts up in comparison

Re: Silkolene Pro 4 XP 10W60 ? [Re: daz] #5229134 10/03/19 08:08 AM
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sunruh Offline
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daz,
i would avoid it.

bet ya didnt expect that kind of answer.
and here is why:
10w60 is a HUGE spread of vis range. actually its the biggest there is.
it must have a LOT of VII to get it that thick.
it will lose 2 to 3 grades in short order
and even though you live in socal (i used to live there too) 60wt is darn thick and only for HOT days.
now, the 10w means its "supposed" to flow like a 10wt at startup but yet be a 60wt.
this is the kind of viscosity you run for say the baja 500 or 1000
or an air cooled car motor (ie hardley)

and you dont mention what bike you have

hard pass


motorcycle oil myth buster
Re: Silkolene Pro 4 XP 10W60 ? [Re: daz] #5229207 10/03/19 09:39 AM
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LoneRanger Offline
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I used the 15W50 version in my 2013 Ducati. It was dyed red, which was cool looking through the sight glass before it turned dark from mileage. Shift quality (shared sump, wet clutch) deteriorated faster than when I used Spectro Platinum 4 15W50. Spectro Platinum 4 ended up being my go to oil for that bike and the 2016 that replaced it.



'19 Ford F150 2.7 twin turbo GDI V6 .....(Motorcraft 5W30 SN+)
'19 GMC Terrain 1.5 turbo GDI I4...........(GM 0W20 dexos2)
'16 Moto Guzzi 1151cc air cooled v-twin (Eni 10W60)
Re: Silkolene Pro 4 XP 10W60 ? [Re: daz] #5229380 10/03/19 01:09 PM
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bulwnkl Offline
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I’m with sunruh on this.


I use speech recognition frequently. Please excuse any consequent grammatical or typographical errors.
Re: Silkolene Pro 4 XP 10W60 ? [Re: daz] #5229397 10/03/19 01:24 PM
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02SE Offline
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I've run the Silkolene Pro 4 oil in shared sump sportbikes. I wasn't overly impressed. My favorite oil simply for how the bikes run and shift, is Motul 300V 4T in 15w50 or 10w40 depending on which bike of ours it's in.

Re: Silkolene Pro 4 XP 10W60 ? [Re: daz] #5229563 10/03/19 04:30 PM
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daz Offline OP
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Well, then 60w aside, what about the 15w50 version?? And how about compared with what i normally use, M1 V-twin 20w50?

Re: Silkolene Pro 4 XP 10W60 ? [Re: daz] #5230476 10/04/19 06:37 PM
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daz Offline OP
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Oh, i forgot....triumph 1700 parallel twin water cooled cruiser. These are known for piston slap. it's a common issue with them and really just annoying rather then detrimental, but VERY annoying one never the less. . My reasoning in looking for a new oil is to try and quiet it. It's very intermittent and does it mostly when hot. I was told the motor has oil jets that squirt oil up into the cylinder walls so i wanted something with a high viscosity index which this oil has to insure the oil jets are able to reach. That is what i think may be responsible for this issue being so intermittent. Thats a theory someone mentioned to me who's knowledge i respect. So after reading your posts it seems 10w60 is not going to last and i'm wondering if i should try thier 10w50 which has almost as high a viscosity index as the 10w60. (171 vs 178) Mobil 1's VI is quite a bit lower.

Re: Silkolene Pro 4 XP 10W60 ? [Re: daz] #5232963 10/07/19 01:22 PM
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sunruh Offline
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ugggggggggggggggg
cant make the horse drink at the water hole
no on 10w50
no on 10wanything

say yes to 20w50
possibly even a mix of straight 50wt and 20w50


motorcycle oil myth buster
Re: Silkolene Pro 4 XP 10W60 ? [Re: daz] #5233021 10/07/19 02:10 PM
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BusyLittleShop Offline
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Originally Posted by daz
Well, then 60w aside, what about the 15w50 version?? And how about compared with what i normally use, M1 V-twin 20w50?


An oil rated 15w50 does not mean "wide spread" and one rated 20w50 short spread...

API ranks the first number and the letter W from the newest to the
oldest on its ability to lube your engine during critical start up...

0w

5W

10W

15W

20W

If you wish to employ the latest in oil technology then you want an one with an API
low number rank...


Last edited by BusyLittleShop; 10/07/19 02:11 PM.

Larry L
Have a Wheelie NICE day
94 RC45 #2 58,000 on 30 weights Currently Mobil 1 5W30
2002 Camaro Mobil 1 0W30
1952 De Havilland Chipmunk



Re: Silkolene Pro 4 XP 10W60 ? [Re: daz] #5233069 10/07/19 02:45 PM
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sunruh Offline
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in a stupid way of explaining it, yes. but not what the definatition is:

10w means 10winter....as in flows like a 10weight in cold weather startup

the number after the w means how it flows hot. 10winter60 means flows like 10weight at startup in cold and 60weight when hot. but the only way to do that is with a crud ton of viscosity index improvers (VII) and those long chains get cut to shreads in a shared sump trannys gearbox.
and why all of the big spreads lose 1 if not 2 full grades in short order with a shared sump. btw, some very poor (cough cough castrol gtx 20w50) lower spread do as well.

Last edited by sunruh; 10/07/19 02:47 PM.

motorcycle oil myth buster
Re: Silkolene Pro 4 XP 10W60 ? [Re: sunruh] #5233075 10/07/19 02:57 PM
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kschachn Online Content
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Originally Posted by sunruh
in a stupid way of explaining it, yes. but not what the definatition is:

10w means 10winter....as in flows like a 10weight in cold weather startup

the number after the w means how it flows hot. 10winter60 means flows like 10weight at startup in cold and 60weight when hot. but the only way to do that is with a crud ton of viscosity index improvers (VII) and those long chains get cut to shreads in a shared sump trannys gearbox.
and why all of the big spreads lose 1 if not 2 full grades in short order with a shared sump. btw, some very poor (cough cough castrol gtx 20w50) lower spread do as well.

So the oil thickens as it warms up?


1994 BMW 530i, 246K
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2000 Toyota ECHO, 281K
Re: Silkolene Pro 4 XP 10W60 ? [Re: kschachn] #5233550 10/08/19 05:20 AM
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weasley Offline
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Originally Posted by kschachn
Originally Posted by sunruh
10w means 10winter....as in flows like a 10weight in cold weather startup

the number after the w means how it flows hot. 10winter60 means flows like 10weight at startup in cold and 60weight when hot. but the only way to do that is with a crud ton of viscosity index improvers (VII) and those long chains get cut to shreads in a shared sump trannys gearbox.

So the oil thickens as it warms up?

That's not what was said. It flows like a 10 weight when cold and like a 60 weight when hot. As you well know, it doesn't "thicken up", it just doesn't get as thin as it would do if it was a monograde.


2017 SEAT Leon 1.4 EcoTSI 150 FR Technology DSG
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Re: Silkolene Pro 4 XP 10W60 ? [Re: weasley] #5233569 10/08/19 06:31 AM
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Yes that’s precisely what was said. A “10 weight” is thinner than a “60 weight” right? So then he’s saying it gets thicker as it warms up.

Tell him he’s incorrect if he is, why tell me?


1994 BMW 530i, 246K
1996 Honda Accord, 280K
1999 Toyota Sienna, 420K
2000 Toyota ECHO, 281K
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