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Originally Posted by ka9mnx First you asked for a non LS additive gear oil and now your asking if you should add it. I'm confused. ST is not a cheap gear oil and does have an LS additive. To answer your question, no. I have ST syn 75w-140 in all my vehicles and I like it better than the M1...

I changed my gear oil about a week ago and I used supertech 75w90 full synthetic gear oil. The rubbing/vibration feeling on turns from a stop was gone very briefly but slowly came back when my wife drove to work. Has anyone else experienced this when using cheaper gear oil? Should I add the...

Hello I have a 2006 Chevy tahoe 5.3l 4x4 with the Eaton g80 differential. Can anyone recommend me a good non ls gear oil. Every oil the parts store has says ls. Thank you

i just noticed they also have mobil clean 5000 high mileage.has any one ever tried there hm?

at one of my local auto shops they have pennzoil yb with the sn on the back.and the sale is for $2.79.

whats the difference between SM and SN? and would i look on the Pennzoil bottles somewhere to make sure it says SN?

can anyone tell what would be a better oil for my 99 grand am 2.4l engine.because i went to wally world and saw Pennzoil Yb for 3.77 a quart or 12.50 for the 5 quart jug and mobile clean 5000 for 2.77 a quart and 11.50 for the 5 quart jug...also can someone tell me why mobile 5000 is so cheap.

so im guessing its safe to use pennzoil yb. thanks for the info and help.i just didnt want to make a mistake and mess my engine up. is there any conventional oils that are better then pyb?

i usually change my oil at 3K-4K at most. so a synthetic would be a waste.i know oil has come a long way but i still dont like/trust oil for longer then that.i have never had a internal engine problem out of my 13 years of driving.and i want to keep it that way.i have always wanted to try...

i noticed a lot of people on here like max.so i was reading on there site and it says its a premium synthetic and conventional base stocks with a seal conditioning agent.so what exactly does it mean.is it a conv high mileage or a syn hm? also why does everyone say don't use a synthetic oil if...

i want to try and stick to conventional oil. i was looking at Pennzoil Yb or high mileage oil. any input on them. what are the top 3 conventional oils? thanks

i will be putting a ac delco filter.thats what came oem on my car.

hello, i got a 99 grand am 2.4l w/128k a few months ago.and i was wondering whats a good oil was to use.i don't know the oil change history of the car.all i know is when i got it i had the water pump changed,spark plugs changed,filter,iac valve,tps and outer tie rod replaced.so i am assuming...

i did some looking around and i found that loud clicking/taping noise is from an exhaust leak at the manifold where it connects to the j-pipe. also since i really don't know what oil is in my car and obviously he don't know either.i will be changing to the Pennzoil high mileage oil i got a few...

i just bought some ac delco oil filters from walmart because that's what came in my car being a GM.and there was 2 numbers from ac delco both the exact same number except one ended with E.and from what i understand it is the Ecore design.witch is supposed to be a good filter. can anyone shed...

not yet going to change the oil and filter today.i am going to use Pennzoil high mileage. when i here all that noise after driving for a while.i put a screw driver to the engine and have someone rev it and it sound nice and smooth inside the engine.i know i have a exhaust leak some where by the...

here is the engine after sitting for a few hours

the guy said it was mobile but did not know what kind.and he said it was 10w30.maybe he says that so he can charge more for a oil change.

its a 1999 grand am se 2.4L sedan auto trans. here is the sound.i took it with a digital camera and put it on sensitive and loud volume so it would pick everything up.its loud though so i dont know if you can pinpoint or even tell what it is.

i started my car again and it is running fine now.runs real smooth now. he said it was from mobile and he gets it in a big drum.but he is not sure exactly what kind of mobile it is.and he said he put 10w30 in.