Re: New available motor oil
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Forum Ambassador
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If you want a single viscosity SAE 30 in a detergent version with appropriate wear additives there are lots of major name-brand sources such as Pennzoil, CAM2, and Shell (Forumula Shell). These are the oils I use in my '34 Eight, generally Pennzoil or Shell but I just picked up a case of CAM2, reasonable at $38 for 12 quarts.
Posted on: 2015/12/26 13:51
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Re: New available motor oil
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Home away from home
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In Las Vegas many of these not available in non synthetic, or straight wt. Have tried the Rotella 15-40. But I keep being told too light, and at the moment don't see any at Auto Zone or O'Reillys. The CAM 2, you purchase from?
Cam Super Pro Max?
Posted on: 2015/12/26 13:59
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Re: New available motor oil
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The CAM 2, you purchase from?
The local auto parts store (NAPA in this case) orders it for me, usually have it the next day. SAE15W-40 wouldn't be my choice for a Twelve here in NJ but perhaps it is for you - I guess the temperatures when you drive the car are quite high like 95-100?? If you want single viscosity I'd follow Packard's recommendation for the temperatures you anticipate, though in a detergent oil assuming you engine is clean internally. I guess you've read the little booklet about the dual (low pressure & high pressure) oiling system? It might be worth a read - published by the Lone Star Region of The Packard Club.
Posted on: 2015/12/26 14:05
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Re: New available motor oil
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Home away from home
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Not read the book, but I will. Looking at Amazon, whether single or multi grade, seems to be different kinds, which specifically kind of multi do you use? There is a napa close I can order from. Don't need a single viscosity, been using Valvoline 20-50 racing for years. Been told that is too heavy, and mostly not available around here anymore. Thanks
Posted on: 2015/12/26 15:16
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Re: New available motor oil
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Sorry if I wasn't clear but I don't use a multi-viscosity in my 34. First, like your Twelve it has an oil heat exchanger which largely negates the advantage of a multi-viscosity. And secondly I only use the car in spring, summer and fall so I don't need a thinner oil for winter use.
Unless your engine is really tired and with lots of wear I think a 20/50 is too heavy. Thinner oils moving in higher volumes would be a better choice. What are the temperature extremes that your car is driven in?
Posted on: 2015/12/26 19:15
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Re: New available motor oil
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Home away from home
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Probably minimum 70 and max 110. In Vegas.
Wanting to switch to probably a 30wt?
Posted on: 2015/12/27 2:40
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Re: New available motor oil
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Yeah, given that you've got a functioning oil cooler I'd go with a single viscosity SAE 30 for an engine in good internal condition; perhaps a SAE 40 if it's showing signs of the clearances beginning to open up. But of course use a detergent variety with antiwear/scuff additive packages like those identified in post #72 above, and if you don't know the last time the pan was dropped and cleaned, I'd do that as well.
I don't know anything about the Brad Penn oils, it may be a fine choice but my preference is always for well-known major brands. I can probably get you the specific product numbers for the Shell, CAM 2 and Pennzoil products mentioned above if you need them.
Posted on: 2015/12/27 9:39
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Re: New available motor oil
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Home away from home
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If you have any of the brands at your home or garage, just look at a label, any one of those should do. They have higher levels of lead?
Posted on: 2015/12/27 12:58
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Re: New available motor oil
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Guessing you mean zinc, not lead. I don't know what the ZDDP levels are but since both our engines have roller cam followers it's kind of an academic question.
Posted on: 2015/12/27 13:11
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