What is the best oil for the beast.

[Aurora40]

Originally Posted by carter200

Bob,
I was not trying to be rude. I do not play that game. I was just stating a factor as to why a person would "push" Amsoil.

It definitely read that way to me, especially with the sarcastic eye-rolling smilie. But thanks for clarifying your intent.

[lbszr]

Originally Posted by secondchance

It seems Molybdenum is an anti-wear additive. Mobil 1, 5W30 seems to have about 80 ppm.
http://neptune.spacebears.com/cars/stories/mobil1.html

That's the first I've seen Mobil adding Moly, I wonder if they put it in their other oils besides the super-syn. Maybe the moly helps with their lowered levels of phospherous and zinc.

[secondchance]

Originally Posted by lbszr

That's the first I've seen Mobil adding Moly, I wonder if they put it in their other oils besides the super-syn. Maybe the moly helps with their lowered levels of phospherous and zinc.

That's my guess.

[zrmynatt]

I recently switched my 92' Z to Mobil 1 high mileage formula, not because of high mileage (it has 41,000 miles) but I've always used M1 10w30 since new, M1 HM has plenty of zinc and also seal conditioners which I feel is important to our aging engines. I also used the Bosch oil filter. I get my M1 at Wally world so for a complete change oil is less than $50.00

[richard sanderson]

I am in Spain and the Mobil 1 that is available here is either 0w40 or 5w50. Anybody got any ideas which (if either) would be best for the LT5?

[EuroPete]

Originally Posted by richard sanderson

I am in Spain and the Mobil 1 that is available here is either 0w40 or 5w50. Anybody got any ideas which (if either) would be best for the LT5?

Richard, my friend Ramon (our local LT5 specialist) uses both of them. Now I'm with 5W50 and no issues at all so I feel both choices are good. I wish some day I find a good explanation for the different oil grades between the US and Europe.

[Jim Nolan]

It's my understanding that the only Mobil 1 that contains zinc is 15W50, which is the lube for our cams.

[93 ZR1 Barcelona]

Originally Posted by richard sanderson

I am in Spain and the Mobil 1 that is available here is either 0w40 or 5w50. Anybody got any ideas which (if either) would be best for the LT5?

Hello Richard.

Nice to hear from a ZR-1 owner in Spain.

About the Mobil 1 thing, I use Mobil 1 5W50 for my Corvette. The Mobil 1 grades you will find in Spain will not be the same that are available in the US (which are ALL). I suppose it's a weather temperatures or commercial issue.

I have been using for more than 2 years, from when I bought my ZR-1 in the US, the Mobil 1 5W50 without any problems. I also use it in the ZF manual transmission, and works OK.

I have done about 40.000 Km in the last 2 years and without trouble.

You can also find Mobil 1 0W40 in Spain, but its price is more expensive than the 5W50, so I switched to 5W50. And theoricaly it has a wider temperature usage.

Ramon.