I really hope you are kidding about using 5/30? The HEMI requires 5/20 for the MDS to function correctly, also for the warranty..

 

If it is a synthetic motor oil, 5W30 is okay, but 5W20 would be a better choice.

Here in Florida I have a little trouble finding the synthetic in a 5W20 grade.

Just have to look harder.

Bob

 

Mds still works average about 19 19.5 mpg. Ethier oil is fine. I think most cars are swicthing to 5w20. I use 5w40 in my grand national but that is for the turbo. I will only swicth to 5w20 if it is cheaper. 20k on y HEMI and still trucking just hope it makes it to 200k.

 

According to the Amsoil website, they seem to dominate alot of other oils. I'd go with Amsoil.


-Matt-

 

Right! According to the Amsoil website. I bet most manufacturers' websites claim their oil is better. I currentyl run Mobil 1. The main reason I don't use (or haven't tried Amsoil) is availability. Oil is one of those things that I don't like to plan for. I roll in to Pep Boys and buy Mobil 1. If I am in the mood to plan for it, I wait until Pep Boys has a sale and buy it for $4 a quart.

 

I requested Mobil 1 for my first three oil changes from the Dodge Dealer - on my fourth oil change the sales rep told me the 'veteran' mechanic put in regular oil because Mobil one did not come in the correct weight - I wrote Mobil One for info re switching from oil to synthetic and back but did not hear back from them - The vet mechanic said the engine check light might go on at altitude if I did not use the correct oil - TTL
http://tralfaz.net/snowmag/Snowmag.movl

 

I was a "preferred customer" of Amsoil for several years. That meant paying a $20 a year fee for the ability to buy Amsoil from their website. Amsoil is more expensive per quart than Mobil 1 especially after factoring in the shipping costs. As far as which one is best, they both perform well. In a well documented long term oil test on the internet, the only problem with Amsoil was that it tended thicken to a higher weight. Since I change my oil every 90 days with syn oil, (remember 4 banger turbo here), I go with the cheaper but high quality Mobil 1......

Dusty

 

A better choice would be to get one of these. oil drain valve

 

I have changed over to Ams oil and i replace the oil every 10k. I am on my thrid change, I have used Mobile 1 in the past and it works fine i just want to try some thing new and the Ams oil is good if you do a lot of driving and change your own oil.

 

You might want to consider another dealer as Mobil1 has had 5w-20 fore a while.