KR> VW oil viscosity

2009-09-17 Thread Dan Heath
Phil,

I am going to go with the recommendation forwarded on from Joe Horvath at
Revmaster, and that is to use 10 W 50.  I am also using  Valvoline, but
don't really know why I chose that one.  I do not have a problem with
overheating, in fact, I have the opposite, on the Oil temp.  I will let you
know how it works out.

See N64KR at http://KRBuilder.org - Then click on the pics 
See you at the 2009 - KR Gathering in Mt. Vernon, Ill
There is a time for building and a time for FLYING and the time for Flying
has begun.
Daniel R. Heath - Lexington, SC

-Original Message-
From: krnet-bounces+danrh=windstream@mylist.net
[mailto:krnet-bounces+danrh=windstream@mylist.net] On Behalf Of Phillip
Matheson
Sent: Thursday, September 17, 2009 5:11 PM
To: KRnet
Subject: Re: KR> VW oil viscosity

VW Engines Aust, who also race there engines, only want me to use 40 grade 
Valvoline. They it removes heat better.

Here is interesting oils on oil.
http://www.valvoline.com.au/pdf/Essential%20Guide%20to%20Motor%20Oil%20Broch
ure%20FINAL.pdf

Phil Matheson
SAAA Ch. 20  http://www.saaa20.org/
VH-PKR
Australia

EMAIL:   phillipmathe...@bigpond.com
KR Web Page: www.philskr2.50megs.com


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- Original Message - 
From: "phil brookman" <pjb1234...@yahoo.co.uk>
To: <flyboyb...@gmail.com>; "KRnet" <kr...@mylist.net>
Sent: Friday, September 18, 2009 12:58 AM
Subject: Re: KR> VW oil viscosity


i tried 15/40 and it actually gave me more revs at take off
so much so i thought about more pitch onn the prop
however when hot i did not like the oil pressure
i like to see 10psi / 1000 rpm  so went back to 20/50
interesting though more power on thinner oil
phill





From: Bob Lee <flyboyb...@gmail.com>
To: KRnet <kr...@mylist.net>
Sent: Wednesday, September 16, 2009 6:05:43 PM
Subject: RE: KR> VW oil viscosity

Mike wrote:

<>

You might want to reconsider using synthetic in a air cooled motor.  One of
the big selling points of synthetic oil is "reduced oil tempreature".
Unfortunately, this is not a good thing for us because the oil temperature
is reduced by the oil's inability to accept heat.  Therefore, the synthetic
oil cannot carry the heat to the cooler as well as petrolium oil.  This
results in an engine that is running hotter even though the oil temperature
is cooler.

When you think about it, friction is a small part of the total engine heat
compared to heat of combustion.  So even if synthetic oil reduces friction,
it does not significantly reduce the overall engine heat load.  Synthetic
oils are great for jets or water cooled engines.  In an air cooled engine
the oil system provides a significant amount of the cooling and pertolium
oil is better at transfering heat to the cooler.

Regards,


Bob Lee
N52BL  KR2
Suwanee, GA  USA
92% done only 67% to go!


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KR> VW oil viscosity

2009-09-17 Thread Phillip Matheson
VW Engines Aust, who also race there engines, only want me to use 40 grade 
Valvoline. They it removes heat better.

Here is interesting oils on oil.
http://www.valvoline.com.au/pdf/Essential%20Guide%20to%20Motor%20Oil%20Brochure%20FINAL.pdf

Phil Matheson
SAAA Ch. 20  http://www.saaa20.org/
VH-PKR
Australia

EMAIL:   phillipmathe...@bigpond.com
KR Web Page: www.philskr2.50megs.com


---
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- Original Message - 
From: "phil brookman" <pjb1234...@yahoo.co.uk>
To: <flyboyb...@gmail.com>; "KRnet" <kr...@mylist.net>
Sent: Friday, September 18, 2009 12:58 AM
Subject: Re: KR> VW oil viscosity


i tried 15/40 and it actually gave me more revs at take off
so much so i thought about more pitch onn the prop
however when hot i did not like the oil pressure
i like to see 10psi / 1000 rpm  so went back to 20/50
interesting though more power on thinner oil
phill





From: Bob Lee <flyboyb...@gmail.com>
To: KRnet <kr...@mylist.net>
Sent: Wednesday, September 16, 2009 6:05:43 PM
Subject: RE: KR> VW oil viscosity

Mike wrote:

<>

You might want to reconsider using synthetic in a air cooled motor.  One of
the big selling points of synthetic oil is "reduced oil tempreature".
Unfortunately, this is not a good thing for us because the oil temperature
is reduced by the oil's inability to accept heat.  Therefore, the synthetic
oil cannot carry the heat to the cooler as well as petrolium oil.  This
results in an engine that is running hotter even though the oil temperature
is cooler.

When you think about it, friction is a small part of the total engine heat
compared to heat of combustion.  So even if synthetic oil reduces friction,
it does not significantly reduce the overall engine heat load.  Synthetic
oils are great for jets or water cooled engines.  In an air cooled engine
the oil system provides a significant amount of the cooling and pertolium
oil is better at transfering heat to the cooler.

Regards,


Bob Lee
N52BL  KR2
Suwanee, GA  USA
92% done only 67% to go!


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KR> VW oil viscosity

2009-09-17 Thread Fred Johnson
Almost all the new cars use 5w30 as there oil, the tighter tolerance with
advanced machining has made that possible.

They use it because of less friction, greater fuel economy and more
horsepower. 

Fred Johnson
Reno, NV

Phil Wrote:

i tried 15/40 and it actually gave me more revs at take off
so much so i thought about more pitch onn the prop
however when hot i did not like the oil pressure 
i like to see 10psi / 1000 rpm  so went back to 20/50
interesting though more power on thinner oil 
phill








KR> VW oil viscosity

2009-09-17 Thread phil brookman
i tried 15/40 and it actually gave me more revs at take off
so much so i thought about more pitch onn the prop
however when hot i did not like the oil pressure 
i like to see 10psi / 1000 rpm  so went back to 20/50
interesting though more power on thinner oil 
phill





From: Bob Lee <flyboyb...@gmail.com>
To: KRnet <kr...@mylist.net>
Sent: Wednesday, September 16, 2009 6:05:43 PM
Subject: RE: KR> VW oil viscosity

Mike wrote:

<>

You might want to reconsider using synthetic in a air cooled motor.  One of
the big selling points of synthetic oil is "reduced oil tempreature".
Unfortunately, this is not a good thing for us because the oil temperature
is reduced by the oil's inability to accept heat.  Therefore, the synthetic
oil cannot carry the heat to the cooler as well as petrolium oil.  This
results in an engine that is running hotter even though the oil temperature
is cooler.

When you think about it, friction is a small part of the total engine heat
compared to heat of combustion.  So even if synthetic oil reduces friction,
it does not significantly reduce the overall engine heat load.  Synthetic
oils are great for jets or water cooled engines.  In an air cooled engine
the oil system provides a significant amount of the cooling and pertolium
oil is better at transfering heat to the cooler.

Regards,


Bob Lee
N52BL  KR2
Suwanee, GA  USA
92% done only 67% to go!


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KR> VW oil viscosity

2009-09-16 Thread Bob Lee
Mike wrote:

<>

You might want to reconsider using synthetic in a air cooled motor.  One of
the big selling points of synthetic oil is "reduced oil tempreature".
Unfortunately, this is not a good thing for us because the oil temperature
is reduced by the oil's inability to accept heat.  Therefore, the synthetic
oil cannot carry the heat to the cooler as well as petrolium oil.  This
results in an engine that is running hotter even though the oil temperature
is cooler.

When you think about it, friction is a small part of the total engine heat
compared to heat of combustion.  So even if synthetic oil reduces friction,
it does not significantly reduce the overall engine heat load.  Synthetic
oils are great for jets or water cooled engines.  In an air cooled engine
the oil system provides a significant amount of the cooling and pertolium
oil is better at transfering heat to the cooler.

Regards,


Bob Lee
N52BL  KR2
Suwanee, GA  USA
92% done only 67% to go!



KR> VW oil viscosity

2009-09-16 Thread laser...@juno.com
Dan said: 

> "I have searched Steve Bennett's site looking for the recommended oil
Vis"

I think Steve reads the list when he has time so he'll probably respond -
although an email to him would get you an answer quicker.   
ifly...@msn.com

When I got it from him, Steve was using NAPA synthetic 10-30 in the 2180
he put on the KR-1½.  I have continued with that oil, although I did go
up a notch to 15-50.  I recently had an oil temp problem that turned out
to be the gauge reading high when nighttime electrics are on (strobes,
beacon, etc.)  But before I figured that out, I went through several
possibilities.  

Checking with Steve, he said the 15-50 weight oil does not cool as well
as the 10-30, for the same reason we use a thin liquid in our car
radiators to dissipate heat.  So I changed the oil back to 10-30 . . .
but that didn't help the problem since the oil temps were fine all along.
 But that's something to keep in mind if anyone is running high oil
temps.

There are some VW car guys who are quite fanatical in their belief that
one should only run straight 30 weight in a VW.  I may be wrong, but I
think Rex Taylor was of that persuasion too.

Mike
KSEE


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