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mobil 1 Racing 4T #4498478
08/26/17 08:13 AM
08/26/17 08:13 AM
Joined: Feb 2011
Posts: 1,261
Golden Meadow, LA
mobilaltima Offline OP
mobilaltima  Offline OP
Joined: Feb 2011
Posts: 1,261
Golden Meadow, LA
I have a few quarts of Mobil 1 Racing 4T 10W40, would it be ok to use in a Honda GX390 generator at 50 hr intervals? My only concern is its API SH.


2006 2500 Dodge 5.9 Cummins Mobil Delvac 15W40, Fleetguard Stratapore 90k miles
Early '99 F250 ECLB 7.3 Stroker, 223k miles
Re: mobil 1 Racing 4T [Re: mobilaltima] #4498483
08/26/17 08:19 AM
08/26/17 08:19 AM
Joined: Oct 2015
Posts: 2,798
Balearic Islands , Spain
FordCapriDriver Offline
FordCapriDriver  Offline
Joined: Oct 2015
Posts: 2,798
Balearic Islands , Spain
M1 Racing 4T is SH because it contains a fairly high concentration of ZDDP, around the 1300ppm mark i believe, but it's a very good oil, here in Europe we have Racing 4T 15W-50, no 10W-40, a friend of mine has run it in his TVR 3000M Race car ( Ford V6 with Triple Weber carbs ) and it is perfect and squeaky clean inside.
I think it should be perfectly fine.


1975 Ford Capri II Ghia 3000 V6, - Shell Helix HX3 20W-50 w/ 20% Rimula R4X 15W-40 HDEO.

1988 Ford Escort Mk4 Xr3i Cabrio, - Shell Rimula R4X 15W-40, w/ 30% Helix 3 20W-50.

Finnish expat in Spain.
Re: mobil 1 Racing 4T [Re: mobilaltima] #4498489
08/26/17 08:24 AM
08/26/17 08:24 AM
Joined: Feb 2011
Posts: 1,261
Golden Meadow, LA
mobilaltima Offline OP
mobilaltima  Offline OP
Joined: Feb 2011
Posts: 1,261
Golden Meadow, LA
Thanks. Ive always noticed what Cujet said about running 15W50 in these engines, I'm not doubting what he said at all, I'm just hesistant to run a 50 weight in it. Im sure a 40 will do fine, I usually run a 15W40 in it.


2006 2500 Dodge 5.9 Cummins Mobil Delvac 15W40, Fleetguard Stratapore 90k miles
Early '99 F250 ECLB 7.3 Stroker, 223k miles
Re: mobil 1 Racing 4T [Re: mobilaltima] #4498504
08/26/17 08:34 AM
08/26/17 08:34 AM
Joined: Oct 2014
Posts: 12,578
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 12,578
Idaho
Originally Posted By: mobilaltima
Thanks. Ive always noticed what Cujet said about running 15W50 in these engines, I'm not doubting what he said at all, I'm just hesistant to run a m0 weight in it. Im sure a 40 will do fine, I usually run a 15W40 in it.
I use What ever Xw-40 HDEO I have left over from My wife's Ford diesel trucks oil change. 15W-50 works great in ope engines . I would run 15w-50 if I were to make a special trip buy an ope oil. Starting temps considered.

Re: mobil 1 Racing 4T [Re: mobilaltima] #4498525
08/26/17 09:02 AM
08/26/17 09:02 AM
Joined: Feb 2011
Posts: 1,261
Golden Meadow, LA
mobilaltima Offline OP
mobilaltima  Offline OP
Joined: Feb 2011
Posts: 1,261
Golden Meadow, LA
I was worried about 15W50 being too thick as its not a pressurized system, almost certain it has a slinger.


2006 2500 Dodge 5.9 Cummins Mobil Delvac 15W40, Fleetguard Stratapore 90k miles
Early '99 F250 ECLB 7.3 Stroker, 223k miles
Re: mobil 1 Racing 4T [Re: mobilaltima] #4498596
08/26/17 10:14 AM
08/26/17 10:14 AM
Joined: Dec 2016
Posts: 7,147
Waco, TX
Linctex Online content
Linctex  Online Content
Joined: Dec 2016
Posts: 7,147
Waco, TX
Originally Posted By: mobilaltima
Ive always noticed what Cujet said about running 15W-50 in these engines, I'm not doubting what he said at all, I'm just hesitant to run a 50 weight in it.


I don't know what he says, but I've never had any issues with a -40 or -50 oil in any OPE engines.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: mobil 1 Racing 4T [Re: mobilaltima] #4498664
08/26/17 11:37 AM
08/26/17 11:37 AM
Joined: Feb 2003
Posts: 7,686
Jupiter, Florida
Cujet Offline
Cujet  Offline
Joined: Feb 2003
Posts: 7,686
Jupiter, Florida
This subject comes up once in a while. Interestingly, again and again, certain oils provide excellent protection in air cooled engines. Among them are the Mobil 1 oils: Mx4t 10W-40 and the associated 20W-50 V-Twin, 5W-40 TDT and the robust 15W-50.

All of those oils have a stout ability to provide excellent lubrication under very high heat conditions without excessive shearing. High HTHS.

The 10W-40 is an ideal choice for that engine in hot climates.


People who count on their fingers should maintain a discreet silence.
Re: mobil 1 Racing 4T [Re: mobilaltima] #4498787
08/26/17 02:45 PM
08/26/17 02:45 PM
Joined: Feb 2008
Posts: 4,727
Texas
FZ1 Offline
FZ1  Offline
Joined: Feb 2008
Posts: 4,727
Texas
If that is motorcycle oil it doesn't have as much friction modifiers as automobile oil.


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