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I don't think that the expense is to much of a issue. Scheaffer markets their oils to industry, not to the general public and I would assume there isn't much of a demand for the quart/gallon size bottles within industry. Although I do agree with you, it would be much nicer if they did offer...

What about the Peak Global stuff? On the back of the bottle it says it is Dex-cool approved. What is it and is it any good? Thanks, Jeff.

I think I am going to go with the Zerox G-05. Is there any additives that people rocommend with this? and also seeing how this isn't GM approved coolant, what do you think the chances are of them pitching a fit over a coolant related warranty? Thanks, Jeff.

I have a 2003 GMC Sierra 2500HD and a 1999 GMC Sonoma, both of which have the GM dex-cool. Neither of them have any apparant sludge build-up but I want to replace it with somthing that won't sludge up on me. From what I've read on here, There is either the G-05 or the prestone Dex-cool that...

So Pennzoil's 5w20 meets fords 5w20 syn-blend specs?

I am building a 383 SBC to put into a 93 S10 and was wondering what some good break-in oils are? I know I will want to run a dino oil for the first couple changes and I'd assume I'd want somthing with a high moly content. I plan to change the oil 3 times in the first 1000 miles (after the cam...

Potasium - 0 Sodium - 0 Fuel - 0 %Antifreeze - 0 %H2o - 0 Sulfer - 13 Oxidation - 9 Nitration - 12

ok guys help me out, i'm not sure what everything means as this is my first UOA. 2003 GMC Sierra 2500HD 6.0L V8 Schaeffer Supreme 7000 5W30 Oil was put in at 4,500 miles, taken out at 10,186 Oil has 5,686 miles on it Copper - 175 - Think this is due to break in? Iron - 73 Chromium - 2 Aluminum...

Where can i get these Fleetguard Filters?

I'm not too sure about the havoline but i know the pennzoil 5/20 is pretty dark right out of the bottle... Jeff.

I've read on here that some companies (Honda, ect) use a special break-in oil (high content of moly) and that you shouldn't change it for a while. I just bought a new GMC Sierra 2500HD with the 6.0L and was wondering if GM uses a break-in oil? Also was planning on running Schaeffer 5W-30 with a...