is it safe to use 10-50 race mobil 1?
Oct 24, 2003, 08:00 PM
#1
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is it safe to use 10-50 race mobil 1?
is it safe to use 10-50 race mobil 1?
what is the best oil weight. can i use a weight for warmer temps even though im in california?
what is the best oil weight. can i use a weight for warmer temps even though im in california?
Oct 25, 2003, 01:09 AM
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I would not. Mutli-viscosity oil with higher differences are not the best i.e. 10-50 has 40 while 10-30 has 20. Oil with the least amount of variance while giving the best protection at various weather condtions are the best. Here in California, 10-30 is about the best for the Evo while places with colder temps, a 5-30 would be better for protection. If you only use your car for track race where high temp protection is a must than a true 50 weight race oil (non multi-viscoity) would be the best.
Check oil company websites for more info.
Check oil company websites for more info.
Oct 30, 2003, 05:25 AM
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Originally posted by CarPhoto.net
Thank you. Currently I use Mobile 1 10-30. I do race. Would you reccomend a switch to 10-50?
Thank you. Currently I use Mobile 1 10-30. I do race. Would you reccomend a switch to 10-50?
A3 means it was tested up to 150C(302F) while still giving very good viscosity levels and no breakdown. The stock fill 10W30 can NOT accomplish that and will break down at those temps. On the track the oil can get around 280C(137F) which is right below the HTHS test given for A3 spec'd oils.
So on the track I would use the 15W50 and stick with the 10W30 on the street.
Oct 30, 2003, 06:07 AM
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Originally posted by sir lurks alot
I run the 15-50 also the one with the red top. they say it is recommended for turbo applications
I run the 15-50 also the one with the red top. they say it is recommended for turbo applications
CarPhoto, it'll be more helpful if you explain WHAT kind of racing you do. And how often.
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Oct 30, 2003, 08:13 AM
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Originally posted by Zeus
It seems the oil runs pretty damn hot in these cars under load.
It seems the oil runs pretty damn hot in these cars under load.
If you're tracking your car frequently an oil temp gauge would seem necessary. From there I would choose the correct oil for your specific app. Or at least it would be a good start. Check the manufacturers listed specs on the oil and understand it.
If you take it to the track once or twice a year I wouldn't even bother with the oil.
simevo,
if you're using a single viscosity oil for racing wouldn't it have to be preheated before the engine is started? Seems to me if the oil is made to run only at high temps and high stress then cold start would create havoc. A little too much effort for a couple track days a year.
Oct 30, 2003, 10:35 AM
#9
Originally posted by mayhem
Apparently. Good thing mitsu gave us that nice big oil cooler.
If you're tracking your car frequently an oil temp gauge would seem necessary. From there I would choose the correct oil for your specific app. Or at least it would be a good start. Check the manufacturers listed specs on the oil and understand it.
If you take it to the track once or twice a year I wouldn't even bother with the oil.
simevo,
if you're using a single viscosity oil for racing wouldn't it have to be preheated before the engine is started? Seems to me if the oil is made to run only at high temps and high stress then cold start would create havoc. A little too much effort for a couple track days a year.
Apparently. Good thing mitsu gave us that nice big oil cooler.
If you're tracking your car frequently an oil temp gauge would seem necessary. From there I would choose the correct oil for your specific app. Or at least it would be a good start. Check the manufacturers listed specs on the oil and understand it.
If you take it to the track once or twice a year I wouldn't even bother with the oil.
simevo,
if you're using a single viscosity oil for racing wouldn't it have to be preheated before the engine is started? Seems to me if the oil is made to run only at high temps and high stress then cold start would create havoc. A little too much effort for a couple track days a year.
Oct 30, 2003, 11:41 AM
#10
Redline recommends you use 15w50 if your temps exceed 225f when racing.
I posted a thread and got some responses about oil temp, and under heavy load I thought they were around 260 or so.
So we could use a 15w50 or equivelant.
If you do want to switch, I suggest Castrol RS Syntec 10w60, which is the ****. All the Euro rally boys are running.
I posted a thread and got some responses about oil temp, and under heavy load I thought they were around 260 or so.
So we could use a 15w50 or equivelant.
If you do want to switch, I suggest Castrol RS Syntec 10w60, which is the ****. All the Euro rally boys are running.
Oct 30, 2003, 11:53 AM
#11
Concerns about wider spread synthethic oils are to my knowledge unwarranted. There is an issue with deposits on the wide spread viscosity dino oils.
With regard to going to a heavier oil, synthetic or not, unless you really need it you are probably better off with the lightest oil that adequately lubricates your engine as heavier oil will give you less horsepower.
With regard to going to a heavier oil, synthetic or not, unless you really need it you are probably better off with the lightest oil that adequately lubricates your engine as heavier oil will give you less horsepower.
Oct 30, 2003, 12:30 PM
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Originally posted by alleggerita
Concerns about wider spread synthethic oils are to my knowledge unwarranted. There is an issue with deposits on the wide spread viscosity dino oils.
With regard to going to a heavier oil, synthetic or not, unless you really need it you are probably better off with the lightest oil that adequately lubricates your engine as heavier oil will give you less horsepower.
Concerns about wider spread synthethic oils are to my knowledge unwarranted. There is an issue with deposits on the wide spread viscosity dino oils.
With regard to going to a heavier oil, synthetic or not, unless you really need it you are probably better off with the lightest oil that adequately lubricates your engine as heavier oil will give you less horsepower.
