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Blackstone Labs ST Oil Filter(E-core) FP - 1oz/5 gallons LC - 6 oz @ initial fill, 1 oz @ 1500 miles Vehicle Usage - Daily: Wife drives 5 miles to work, 5 miles home and occasional trips to grocery store, etc. Other: One 1200 mile round trip for vacation in December AL 1 CR 0 FE 2 CU 27 PB 3 SN...

I was surprised this VOA doesn't look anything like the 5W-30 Quaker State 4x4/SUV. Loads of Calcium and thats about it. I have this is my suburban now and wonder if I should dump it ASAP. Al 1 Cr 0 Fe 1 Cu 1 Pb 0 Tin 0 Mo 74 Ni 0 Silver 0 Titanium 0 Potassium 1 Boron 6 Silcon 7 Sodium 1...

Just got my UOA on Havoline 5W-20. Its posted in the UOA section with a comparison to MC 5W-20. I am having Mr. Dyson do an analysis. From what I can tell, the TBN held up nicely for a dino. Seat of the pants analysis by the driver (a.k.a. me!) is that the engine runs sooooooo smooth on this...

Here is UOA from Blacktone labs on my Mazda 6 3.0 L V-6. I am awaiting Terry's analysis: First column is this UOA, Havoline 5W-20 (4070 miles on oil and 16080 on car). The second is previous UOA. MC 5W-20 (4020 on oil and 7947 on car) Aluminum 5 2 Chromium 1 1 Iron 7 14 Copper 0 0 Lead 0 0...

While looking for a "thicker" warranty period oil for my 04 Suburban at Wally World, I stumbled across QS 4x4 10W-30. Compared the Product Data Sheets on the Pennz/Quaker State Web Site to Pennzoil SUV 10W-30 and found the QS is semi syn (as is Pennz) but the QS is rated ACEA A3 and the Pennz is...

Was at Advance Auto tonight and noticed the AC oil filters are different. They now have AC Delco written in ink on the outside of the case. On the PF46, the base plate has 7 holes vice 6 on the old version. The inner tube has more and smaller holes that are evenly distrubuted. The ADBV looks...

I see posts that indicate GM LT1/LS1 engines LOVE GC. Are these engines the same as a suburban 5.3? Does the GM 5.3 in trucks also love the GC?

Look! Motorcraft has improved their formulation as of March 2005. The PDS shows a HTHS of 3.1 for 5W-30 ( previously 2.9) and now 10W-30 is semi synthetic. http://lubes.conoco.com/NR/rdonlyres/54C17AE1-A0C4-499B-8E4B-F6FDABC27D88/0/Con_SAS_SynBlend_MO.pdf

Does anyone know the oversize filter application to replace an AC PF46...goes on a 2004 Suburban K1500. Thanks If there is no oversize replacement, will the PF46 handle a 7500 mile OCI with GC 0W-30?

I have ready many bashers of Castrol SYNTEC full synthetic and many worshipers of GC 0w-30. I am considering going to synthetic and using the OCM on my 2004 Suburban (5.3L) for the full interval. I have discovered that 5/10W - 30 SYNTEC is the ONLY synthetic that meets the GM 6091 spec AND the...

Blackstone Labs Actuals/Univ Avg Aluminum 2/3 Chromium 1/1 Iron 14/15 Copper 10/4 Lead 0/2 Tin 0/1 Moly 46/53 Nickel 1/0 Boron 6/66 Silicon 15/12 Sodium 3/5 Calcium 1602/2603 Magnesium 12/89 Phosphorous 600/784 Zinc 699/918 All other values were 0 Vis 50.5 /48-58 Flash 385/>370...