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Originally Posted by Anthony
From looking at several oil analysis's, it appeared to me that the results from Blackstone labs may underestimate the zinc/phos... |
Having sent numerous samples to Blackstone, I would agree with Anthony's statement on the "low-balling" of Zn & P. But aside from just having the right amounts of the ZDDP additive it is just as, or more, important to have a quality
oil that has a good "cling" factor so the ZDDP doesn't have to get involved in the first place (doubly important for solid flat tappets). Since Blackstone was mentioned I'll morph this thread over a little bit in to the "winter storage" topic. We all know that we should store our cars over the Winter with fresh
oil in the crankcase. Yes, it's a PITA to do that, especially if you're going to change it again in the Spring. The little vacuum pump that I got from Blackstone just happens to fit the top of the gallon size glass wine jugs (the cheap table wines from the grocery store). As you can see from the photo below, using the vacuum pump and glass wine jug makes the last oil change before putting the car away for the Winter a breeze. You can't use a plastic bottle (it collapses). I tend not to drive my car if the temperature is below 60 degrees or so -- yesterday may have been the last warm day of the year so I filled the tank up, added a bottle of Sta-Bil, and drover her around a while. If I don't see warm weather in the next couple of weeks the last thing I'll do is give her this "half-a$$" oil change and then pop her in her bag with fresh desiccant (picture below) and she'll stay that way until the Spring. I don't start her up any over the Winter, I don't keep the battery tendered, but I do put an extra 10 lbs. of air in the Avids and pull the Moto-Lita off the quick release hub and store that in the closet for the Winter.
