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Motor oil recomendation after H/C

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Old 02-07-2008, 10:40 PM
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Default Motor oil recomendation after H/C

Can anyone recommend a premium motor oil. Have been using regular synthetic. 10/40
Old 02-07-2008, 11:07 PM
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mobil 1 synthetic 5w 30
Old 02-07-2008, 11:12 PM
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Oil is oil. Do not let the pretty bottles fool you. Almost every off-the-shelf oil is going to be equiv. to each other.
Old 02-07-2008, 11:17 PM
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i use royal purple 10w-30
Old 02-07-2008, 11:26 PM
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i use mobil 1 5/30 in all of my vehicles , and i have a 1995 GMC sierra 4x4 w/ 306,000 miles and not a thing has been done to it other than a intake gasket and a water pump, and i just had to change the factory alternator Monday . also have an extremely hard driven WS6 w/ 115,000 on it w/ not a problem other than a water pump . so that proves it to me just keep your oil /filter changed and you should be good to go
Old 02-08-2008, 12:52 AM
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Originally Posted by Damian
Oil is oil. Do not let the pretty bottles fool you. Almost every off-the-shelf oil is going to be equiv. to each other.
Good god, are you ******* serious? And you're a sponsor? and a moderator?

Have you ever heard of a used oil analysis? do you know what an additive package is? do you even know the difference between a synthetic base and a natural base?

I'm sure you could go visit some popular oil forums and tell them that every difference between the oils they're testing is made up and it doesn't matter. You could save us all a lot of time and money! On second thought, maybe you should just move to the next thread and do some more reading.

To the OP: if you like using a 10w40 my personal choice is RP XPR 41.
Old 02-08-2008, 09:16 AM
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Castrol 10-30 GTX or Syntec

w/ a Wix Filter

DO ET
Old 02-08-2008, 11:47 AM
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royal purple 10-30 and k&n filter
Old 02-08-2008, 11:55 AM
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German Castrol if you can find it... I prefer the Castrol Syntec in 10-30. I dont care for the mobil one anymore, and if I really want to treat my car, Ill feed her AmsOil. As long as its synthetic, you should be ok. Purebase synthetic is preferrable though.
Old 02-08-2008, 06:51 PM
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royal purple all the way!
Old 02-08-2008, 06:53 PM
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castrol synthetic
Old 02-08-2008, 07:47 PM
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Originally Posted by Asmodeus
Good god, are you ******* serious? And you're a sponsor? and a moderator?

Have you ever heard of a used oil analysis? do you know what an additive package is? do you even know the difference between a synthetic base and a natural base?

I'm sure you could go visit some popular oil forums and tell them that every difference between the oils they're testing is made up and it doesn't matter. You could save us all a lot of time and money! On second thought, maybe you should just move to the next thread and do some more reading.

To the OP: if you like using a 10w40 my personal choice is RP XPR 41.
Yes, I'm ******* serious. I build engines. I don't read the internet and sweat over peoples' oil "analysis" all day. I've seen engines broken down that have used almost every type of oil on the planet. They all look the exact same....Well of course there is an exception with the old Quaker state oils that had wax in them. Sludge city.

Oil analysis is for the magazines and the internet. In the real world, any name brand oil is going to do the same thing. Lubricate the engine. It only becomes a factor when it's not changed properly.
Old 02-10-2008, 04:40 PM
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Castrol Syntec in 10-30
Old 02-10-2008, 04:52 PM
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Mobil 1 5W40
Old 02-10-2008, 05:15 PM
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Mobil Delvac 15W-40 HDD
Old 02-10-2008, 05:20 PM
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castrol sytec 10w30...
Old 02-10-2008, 06:42 PM
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After I did my H/C I ran some 10w-40 for a short time then did an oil change, just to get out any metal out of there. After that I swapped in some German Castrol.
Old 02-10-2008, 07:31 PM
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Originally Posted by Damian
Yes, I'm ******* serious. I build engines. I don't read the internet and sweat over peoples' oil "analysis" all day. I've seen engines broken down that have used almost every type of oil on the planet. They all look the exact same....Well of course there is an exception with the old Quaker state oils that had wax in them. Sludge city.

Oil analysis is for the magazines and the internet. In the real world, any name brand oil is going to do the same thing. Lubricate the engine. It only becomes a factor when it's not changed properly.
i agree with you . To many people read the internet and believe every thing they read. One may be better but they all have to pass test to do the same thing. I have ran Valvoline, mobil 1 , and now going to Rotela 15 w 40 since it has moly and zinc. Most oils dont use this any more becuase it clogs cats, I dont have to worry about clogging cats

Reason for Rotela is its free for me. We run it on my tow boat that I run and they dont miss a gallon here or there

The main thing to any one is Change your oil on a regular basis and you will be fine.
Old 02-11-2008, 12:12 AM
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Rotella T 15W-40 here. 408 stroker... Recommended by builder of the motor.




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