5w30 or 5w40 Engine Oil
 

I cant find Mobil 1 5W 30 here is Oz. The dealer is only selling the MOPAR 5W 30 for 40 bucks for 4 Litre Can.

Can I use 5W 50 Mobil 1 or similar instead of 5 W 30????

My owner's manual says to use 5W-20. Page 398 for the 2007 model.

My owner manual says the same 5 w 20. But unfortunately i cant get that here in Oz so hence the question can i use 5w 40 instead?

supposed to be 5 w 20 dino or syn

i had the dealer do a synthetic oil change and they used mobil one 5 w 30

perhaps u should forgo the synthetic till they have 5 w 30 available.

save the 5 w 50 for the yodas.

5w30 or 5w40 would be better in Aus. than 5w20 because it stands up to the hot summer better. The larger the last number, the better it performs in the heat. In the US, people in the south with hotter summers should use 5w30 or 10w30 instead of 5w20.

1. If it's not recomended in the owners manual don't use another grade of oil. If you should have an engine problem, such as a wiped bearing, that will just give them an excuse to not honor the warranty.

2. Mobil 1 and all other synthetics have much better viscosity stability at extreme temperatures than dino oils. That's why I use them.

The 30 weight might have inadequate flow dynamics and result in oil starvation at some rpms, mate. Better to mail-order it and suck-up the expense.
Amsoil will ship anywhere I guess. Or maybe you know somebody in the cities?
I've got a buddy in Queensland that I just emailed; maybe he knows where to shop.

That would only be true for Dino Juice....the synthetic oil acts like the lighter weight when lighter is needed, and only acts like a heavier oil when a heavier oil is needed.

In fact, Mobil 1's label for 0W - 30 says it meets Chryslers Lube requirement for the 5W-20....as as long as the required range is BRACKETED, you're protected. That's part of the beauty of the synthetics.

Oil weight numbers are based on viscosity. 5W means at normal temp (cold engine) it has a viscosity of 5. The second number is the modified viscosity after the engine has warmed up and the bearing clearances have expanded. Two small of a number won't give enough protection to the bearings and too large of a number might not flow into all the spaces it needs to. You need to stick to what your owners manual says.

1. As long as I can find what the engineers recommend, I'll stick with it.

2. Oz is currently headed into winter. :yup: