What weight of oil is everyone running ?

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03-09-2018, 07:28 PM

#21

darkirish63

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Quote:

Originally Posted by akdg87

VR1 20w50 in my 5.3 with 7875 turbo.

I tried every other oil under the sun but they all broke down within 500 miles or so due to the heat (from not having an oil cooler). The 20w50 didnt break down and supposedly the higher zinc content is beneficial.

I run this in my Stroker as well. Only oil that lasts for 3,000 miles.

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03-10-2018, 08:03 AM

#22

GRRR65GTO

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I run rotella 15w40 in the summer and T6 5w40 in the winter, but then again most of you guys dont have to deal with real cold weather. I always heard the hype about switching to and from synthetic and Ive had no issues

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03-10-2018, 08:51 AM

#23

TXsilverado

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In a daily ls engine, mobile 1 10w30 every 10k miles. In an engine i push hard ill change the mobil 1 more often depending on how hard/often im pushing pushing it at the time.

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03-10-2018, 09:32 AM

#24

MrHorsepowerLSx

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Quote:

Originally Posted by MikeGyver

Isn't that the stuff that pours like STP? If so, it seems like it would increase the time it takes oil to reach the far reaches of the system on start up. I think it would be good for the main and rod bearings, but I wonder about the rocker bearings and lifter internals.

Yes it pours like honey, I use the Lucas synthetic tho. It pours more like regular oil. I have been using it ever since the motor came out of the crate. And I’ve had my motor apart plenty of times for upgrades. Still looks like new inside. And when the Lucas is mixed properly it does it’s job and clings to the parts.

Last edited by MrHorsepowerLSx; 07-19-2018 at 08:52 AM.

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03-10-2018, 10:01 AM

#25

walledition

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Im a Castrol full syntetic user

Castrol full syntetic 10w 30: At work with tacomas 4.0, 5.3 ls, ford ranger 4.0 with a ultra syntetic fram filter every 15,000 miles

Castrol full syntetic 5w 30: 6.0 Turbo truck with a K&N filter once a year since it doesnt get much miles

Castrol full syntetic 0w 20: 2015 SIERRA 5.3 with acdelco oil filter everytime the trucks gets the oil change warning wish is around 8000 miles