I tried a few different wieghts and brands of synthetics when I first got the car and ended up using the Mobil 1 0w 40. Seems to do well in the Texas heat. Lifters are fairly quite, good Psi, no consumption issues.

 

MOBIL 1 5W-30 always!! and a ACDELCO filter. Devin

 

Mobil 1 0w40

 

75w90 works like a charm, no oil consumption nor piston slap here!

 

Used 5W-30 M1 for a while then switched to GC 0W-30. Wasnt happy with the initial increase in drivetrain noise. But after a couple hundred miles its back to normal. Oil pressure sits a lil over 40 at idle.

 

Shell Rotella T

 

Havoline 5w-30

 

Just put Pennzoil Platinum 5W-30 in mine this weekend.

 

lol, glad to see im not the only one that uses it. I think im going to go with mobil 1 next time though since GC cant be found anywhere except the remote mountains of the himalayas.

 

I use Shell sae40 on my 383 LS1, no problems aand it bumps up oil pressure too

 

Ive used GC..Mobil 1...Pennzoil Platinum..Amsoil..havent really noticed any difference between them. I used the Platinum because of the buy one get one sale at advance auto..On long highway trips my car does seem to burn the platinum quicker than other oils ive tried...I havent decided if i'm gonna stick with the Platinum or not..I still have some GC left over..so i will prolly use that on my next oil change, and than idk..maybe i'll keep using the GC or just switch back over to the Platinum and stick with it.

 

Redline 10w-30 in my 02 ws6....LS1

Castrol GTX 10w-30 in my 01 2500HD....LQ4



PSJ aka Marc


.

 

I have no problems getting it. Why do people say this? You can order it at the counter. dude. Just wait for a sale, it's on sale for $4.49/quart quite frequently. When it's on sale, order 24 quarts and you're good for 2 years. When I saw it on sale, I bought 24 quarts and now I'm good for a looooong time. When it's on sale again, I'll pick up some more.

 

Royal purple baby!

 

I say it because my local autozone doesnt have it....

 

I've heard good things about PP from a few people I talk to and from some reading I did on here, so I decided to try it out. I also hear good things about the GC so I think I will try it out next time.

 

yea, one of the locals told me that PP isnt good because it has ceramics in it???? But I have only heard good things. Anyone have any info?

 

Yes it does. Go to the counter and ask the guy to order some for you. Just because they don't have it in stock or get shipments anymore doesn't mean it's not in its system. Autozone can order a lot of stuff they don't stock, from mufflers to catbacks to cold air intake systems and more. Oil is no different. Place your order for several cases when it's on sale and pick it up the next week. Then you're set for years.

 

mobile 1 syn 5w 40

 

Wow. What a unique idea! There's never been a "which oil do you use?" poll before.

Well... maybe one or two. Or four. Or... 10. Not more than 10 "Which oil do you use?" polls for sure.


At any rate, not more than 20.