what oil weight do u guys use?

what oil weight is best for the LS1 engine? what do u guys use?

Use 10W30 unless you live up north and drive your car a lot during the cold weather, in which case use 5W30.

I use mobil 1 synthetic oil 5W-30

Expensive, but well worth it in my opinion.

I've been hanging out with a bunch of guys that are in a car team... it's mostly domestic. One person has a WS6 and is running "Royal Purple." It's supposedly better than synthetic oil and he agrees. He said, and I qoute, "you can actually feel the difference, it feels stronger." It's a little expensive, at least where I am, which is in California. $5 a quart to be specific (I think?). I'm going to try it. He's getting me a new oil filter and $50 worth of Royal Purple. If you want to know how it runs/feels, personal message me and I'll get back to you. Note: I'm putting it in on Saturday, so I'll be able to get back to you later that night.

5W30 Mobil1 here too. I changed the factory oil at 500 miles to fresh regular 5W30. Changed it again at 2,000 miles to Mobil1 5W30. I've got 62k miles on the car now, and the oil level is always full & clean when I change it. I change the oil now every 3,500 - 4,000 miles. So, mabey I'm a little overprotective - I like my toy and want it to last.

Is it true that the LS1 Fbodies came with Mobil One from the factory? I thought I heard this somewhere...

I use Quaker State SAE 5W-30 with a Fram filter.

Hey

I run 10-30 in my car . I tried the 5-30 mobil 1 but I was loosing oil. I went through 1 quart between oil changes. With other oils @ 10-30 i dont have that problem

Jeremy

Originally posted by SFB767
I use Quaker State SAE 5W-30 with a Fram filter.


Fram filters = :death: !!!!

Originally posted by SFB767
I use Quaker State SAE 5W-30 with a Fram filter.

Yeah FRAM = poop! Do not use!!!

just curious why are fram oil filters bad..ive heard people saying that they are not good filters to use? why?

5w30 synthetic blend mobil1

Originally posted by whataretheodds
just curious why are fram oil filters bad..ive heard people saying that they are not good filters to use? why?

From what I remember reading awhile ago, Fram used to make pretty good filters but they changed the way they make them (less material? I dunno) and now they just pretty much suck, so...I'll just take their word for it and run something else (I never did use Fram anyway).



Mobil 1 5W30 here.

Originally posted by whataretheodds
just curious why are fram oil filters bad..ive heard people saying that they are not good filters to use? why?

For all of your oil related questions, there is one answer...

www.bobistheoilguy.com

Fram filters have lass filter element and have a design that can allow oil to bypass the filter. Therefore making the filter worthless.

AC Delco PF59 I think.

And Royal Purple IS synthetic.

Use 5W30 up North. You can use 10W30 where it doesn't freeze outside. But you could use 5W30 everywhere.

Originally posted by XKnightRider
Yeah FRAM = poop! Do not use!!!

i have heard that a hundred times.....dont know whhy but i will never use em

Mobil 1 5W-30

Originally posted by 2002Z28SSConv
And Royal Purple [i]IS synthetic.[/B]

Here is what Royal Purple "is".

Synerlec® additive technology -- Beyond Synthetic™

Synerlec® additive technology is Royal Purple's most versatile additive technology and the cornerstone of its product line. Royal Purple's oils for turbines, pumps, compressors, blowers, hydraulics, gears, refrigeration systems, motor oils and more contain Synerlec®. It forms a tough, ionic, slippery, chemical film on all metal surfaces. This film helps to separate metal surfaces in three ways;

I. Synerlec® Provides a Thicker Oil Film.

By forming a chemical film on metal surfaces, Synerlec® adds to the oil film thickness created by the oil viscosity alone.

An increase in oil film thickness is proven to increase bearing life in direct proportion to the percentage increase.

II. Synerlec® Creates a Tougher Oil Film

The tough oil film on metal surfaces makes a breach of the oil film much more difficult and unlikely. By preventing metal-to-metal contact, Synerlec® enables equipment to operate normally under severe operating conditions where it would otherwise quickly fail.

Synerlec's ability to carry up to 700 percent greater loads than other mineral and synthetic oils provides extra protection for bearings subjected to mechanical stresses caused by misalignment, shaft flex, imbalance, water contamination or elevated temperatures, which thin the oil.

III. Synerlec® Micro-Polishes Contacting Metal Surfaces

When opposing asperities (microscopic projections on tmetal surfaces) breach the oil film of competitors' oils, surface initiated fatigue occurs, which causes bearing surfaces to quickly wear and become rougher.

Vibrations steadily increase because these rough surfaces can no longer be fully separated by the thin film of the oil, causing increased metal-to-metal contact to occur.

Synerlec's tough film strength not only makes it more difficult for asperitites to breach the oil film, but it actually smooths bearing surfaces that do. Instead of becoming rougher, Royal Purple's Synerlec® additive technology gently micro-polishes these asperities, creating smoother surfaces, which then are easily separated by Royal Purple's tough oil film.

Damaged bearings experiencing high vibrations can run normally for greatly extended periods of time simply by changing to Royal Purple's oils with Synerlec®.

Originally posted by tainted
I've been hanging out with a bunch of guys that are in a car team... it's mostly domestic. One person has a WS6 and is running "Royal Purple." It's supposedly better than synthetic oil and he agrees. He said, and I qoute, "you can actually feel the difference, it feels stronger." It's a little expensive, at least where I am, which is in California. $5 a quart to be specific (I think?). I'm going to try it. He's getting me a new oil filter and $50 worth of Royal Purple. If you want to know how it runs/feels, personal message me and I'll get back to you. Note: I'm putting it in on Saturday, so I'll be able to get back to you later that night.

syn vs syn it wont be any different.. i know the guys at Royal Purple.. well a couple of the suits there...

I did an Amsoil test.. found no gain either.. most of the tests they (oil companies) show are syn vs dino oil.. but syn vs syn there is no reason for it..


good luck!

Originally posted by 2002Z28SSConv
For all of your oil related questions, there is one answer...

www.bobistheoilguy.com

Fram filters have lass filter element and have a design that can allow oil to bypass the filter. Therefore making the filter worthless.

AC Delco PF59 I think.

And Royal Purple IS synthetic.

Use 5W30 up North. You can use 10W30 where it doesn't freeze outside. But you could use 5W30 everywhere.

but i think this guy is just an Amsoil salesman.. i can sell it too.. got the dealer thing from them.. not worth it.. i cant sell ya anything I dont believe it.. its only good IMO cause I dont have to go hunting down the oil.. its brought to my door! hehe

This is a good, ongoing study using a 2002 Z28.

http://neptune.spacebears.com/cars/stories/oil-life.html

4 quarts of 10w 30 Mobile 1 pure syn,.....and 1 quart additive. I tried using the 10w 30 by itself and my low oil light would come on with about 2000-2500 miles on the oil. But I was going to the track just about every weekend making a 3-5 passes and that was killing the life of the oil! Since using the additive no low oil light! Also my intrest in the track has slowed down.

10w30 in Winter
10w40 in Summer (it get 105-110 friggin degrees here in the summer months !!)

Fram is garbage

Purolator and GM are the best cheap filters you can buy. I've heard Wix is very good too and similarly priced.

Originally posted by XKnightRider
Yeah FRAM = poop! Do not use!!!

Everyone in my family has been using Fram oil and air filters for decades, and they've never had any engine problems or other problems that were caused from a Fram filter. Yes, I've heard that Fram sucks, but my oil is pretty clean every time I change it.

Mobil 1 SS 10w30. I am in Orlando so I don't need the cold cranking weight all that much.


Jason

The royal purple worked better than I expected. The people who recommended it to me were right, I could feel the difference. It felt smoother.

I changed my oil and oil pump.