Recent content by pipebender

Cars with better score in JDP's initial quality study tend to do better at long term reliability study. So yes, the IQS is a good indicator for long term reliability for newer cars where long term data are not yet available.

How do you know if the cheapo meets the Nissan rec. grade and API standard or not? Just wandering.

Long's Drugs sells SI-1 for about $4.50 a bottle all the time. They also have Redline 75w90 for 7 bucks a bottle. However they want $11 for Syntec when they also have RR sits right next to it for $8.

some of the link you provied are SI-1 some are SI-2.

at the long's drug near me they sell Castro GTX for about 7 bux. RP for 9 dollar. Yet they have Redline gear oils for about $6 a bottle.

"elcheapo Pentosin" So Pentosin is a value brand in Germany? And they charge some $15 for a bottle ATF1 here.

I would not take Synlube seriously because of the old M1 "square" bottle used in one of the pic, without the temper proof ring!

Did you reset the computer between the fill ups when you switch from 87 to 91? If you don't, the engine computer will not adapt right away and ofcourse you'd see no gain from the higer octane gas.

This MSDS info is from Feb 2006. The new 'Syn' stuff showed up since when? I searched their site and could not find any updated info.

GM 3.8L OHV V6 Mercedes 3L DOHC I6

What are the cars? You go by 'Audijunky' on AW right?

Description of Test: Replaced existing 20W50 engine oil, GM Dexron III® ATF fluid, and 75W90 differential fluids with Royal Purple's 20W50 Motor Oil, Max ATF® and Max-Gear® 75W90 in a 400 HP ’65 Mercury Comet and tested on full chassis dynamometer. http://www.royalpurple.com/hotrod1/hr1p1.html

The second run is also a 50 weight.

what's wrong with Mahle?

Hey! You might get lucky and have true group 4 oil because Mobil had trouble finding group 3 during Katrina!