Author Topic: So, what weight oil do you use.... (Read 704 times)

storch · « **Reply #30 on:** August 07, 2005, 07:54:12 AM »

read the paper that that Dr. Haas wrote. SaburoS provided a link. thanks for the link SaburoS

Ripsnort · « **Reply #31 on:** August 07, 2005, 08:04:25 AM »

Great read on that oil link above.

As a rule of thumb, one should always use the recommended oil viscosity range per the operating temperture as described in the owners manual. They pay engineers millions to research this. A company's reputation is at stake regarding engine reliability so its in their best interest to recommend what is best for your engine.

mora · « **Reply #32 on:** August 07, 2005, 09:20:32 AM »

Quote

Originally posted by storch
read the paper that that Dr. Haas wrote. SaburoS provided a link. thanks for the link SaburoS

Me? I did, and it said the same thing I wrote earlier, except that it didn't mention the benefits at higher tempreture than 212 F. A good read indeed.

Saurdaukar · « **Reply #33 on:** August 07, 2005, 01:31:40 PM »

Castrol TWS 10W-60

SaburoS · « **Reply #34 on:** August 07, 2005, 03:22:45 PM »

I can't wait until they manufacture a synthetic of about a -30w30. That would seem to be the perfect 30 weight oil for a street engine (those where a 30 weight oil is recommended).
I am using 5W30 Mobil 1.
I'll switch to a 0W30 when it becomes readily available.

SaburoS · « **Reply #35 on:** August 07, 2005, 03:34:24 PM »

Quote

Originally posted by Ripsnort

As a rule of thumb, one should always use the recommended oil viscosity range per the operating temperture as described in the owners manual. They pay engineers millions to research this. A company's reputation is at stake regarding engine reliability so its in their best interest to recommend what is best for your engine.

Sure, but remember that today's oil technology wasn't available in the not too distant past. Manufacturers usually won't recommend an oil weight not readily available.
I see no reason at all not to use a 0W30 if the recommended oil weight is 10W30 or 5W30.
The absolute biggest mistake people can do to a newer street engine is to add thicker oil.
I think Honda and Ford are now recommending 5W20 oils as standard for most of their vehicles.
Porsche and BMW are recommending 0W40 (I think).

Rip, what's the recommended weight Ford lists for your new Mustang?

Staga · « **Reply #36 on:** August 07, 2005, 04:21:17 PM »

0W-30 has been available for years and also Mobil produces one if you want to stick in that brand.
Fully synth Castrols and Mobil-1's are only oils I've been using for years for my and my dad's cars.
When my dad changed to new car the dealer saw the Castrol SLX sticker and was quite pleased. Some may not care what oils car has been using but looks like some were interested to know that car was taken care.