AC Delco oil filter varies in configuration?
#32
#33
Old habits die hard,you know. I've been changing oil for my family and myself since about 1960 (10 years old), and I agree that things have indeed changed. I've seen (and bought) some vehicles that were sludged up beyond belief. I bought a '75 Chevy-10 pickup (99k mi), a few years back, that the owner said had always been run on Pennzoil 30w (3k mi oil changes). He had a book,started by his dad, that kept track of it for 25 years. I checked the oil...thick on the dipstick. PCV clogged. Vacuum booster lines plugged with sludge/carbon. Even though the engine didn't smoke, I pulled it anyway. The oil pan was completely filled with sludge; only the area around the pickup was liquid. So even though there was "documentation" of adequate? care, the Pennzoil dino had solidified over the years. I wonder if they ever noticed that the truck had gone from 5quart to 1-2 quart oil changes? I rebuilt that whole truck, nothing was good. But back to the subject > I am slowly gaining confidence in synthetics' longevity. I'm extending my street car oil change intervals; and gained more faith in synthetics, having freshened up my race engines and observed NO wear with Royal Purple,even after 2 seasons. I go 7.5k mi on my trucks now with RP. I guess I'll have to trust the technology, and the DIC, and M1 oil, to further extend future OC intervals. Thanks.
#34
so from my experience working in the parts department of a dealership, there were 2 versions of the ACDelco filter, 2 different part numbers, that we had, one in a box (from GM wharehouse), and a cheaper one in a bag (from ASCO (I think was the other warehouse)), there were a few differences in the 2, thou they were both ACDelco parts. The ones in the bag were at the service counter (for customer oil changes) and the ones in the box we kept in the warehouse (for customer orders). The dealership mechanics liked the box filters better because the o-ring was a little fatter and stayed in the cap for easier installation, and the filter had more pleats/surface area. just my .02
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Lone Ranger
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07-14-2008 07:09 PM