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#1 (permalink) |
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Cutlass driver in Germany
Join Date: Oct 2006
Location: Munich, Germany
Posts: 39
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Wich oil do you suggest for a 69 Cutlass conv. 350
I am going to do a oil change. And therefore I wonder whats the best oil to get for my 69 Cutlass conv. 350 engine? It has been rebuilt and hardened seats. In the oldsgroup of google is a discussion going on about zinc in oil. So it came to my mind before I do the change job.
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Best regards, Tom Munich, Germany |
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#2 (permalink) |
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Landyacht Club President
Join Date: Jul 2007
Location: Lawton, OK
Posts: 4,286
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I've heard the diesel oil Rotella T is a good oil to use. It is supposed to cut down on all of the sludge build up in an engine if used consistently.
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Ferris, my father loves this car more than life itself... Apparently, you don't understand! Ferris, he never drives it! He just rubs it with a diaper! Cameron Frye Ferris Bueller's Day Off 1986 |
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#3 (permalink) |
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Super Moderator
Join Date: Mar 2007
Location: Northern VA
Posts: 4,402
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Unfortunately, Rotella and the other diesel oils are also going through a zinc reduction. There are now vendors selling both additives and motor oil that puts it back in for older cars.
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Joe Padavano 64 Jetstar 88 Conv 66 442 L-69 Conv 68 W-30 69 H/O 69 442 70 W-30 72 442 84 Custom Cruiser 86 Caprice wagon (w/307 Olds) |
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#4 (permalink) |
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Super Moderator
Join Date: Sep 2007
Location: Janesville wisconsin
Posts: 1,659
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I use Rotella 15/40 in everything I own.
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Chad Greed: in psychology is an excessive desire to acquire or possess more than what one needs or deserves, especially with respect to material wealth |
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#5 (permalink) |
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Registered User
Join Date: Jan 2007
Location: Long Island, New York
Posts: 307
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You can order cam break in lube that contains enough zinc additive from summitracing.com that you can add to any oil. Competition cams part # CCA-159. $10.25 per bottle. Add one per oil change and get the proper zinc you need for your flat-tappet camshaft.
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Darrell 1971 Cutlass Supreme |
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#6 (permalink) |
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Registered User
Join Date: Feb 2009
Location: brazil indiana
Posts: 1,022
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if your engine is not new and is broke in, all you need to do is go with a good brand. the lower zink is bad for breakin but other than that you will be fine. that is also if you don't have a extra high lift cam. but i will agree that rotella t will be fine to use and it does have more zink than gas oils.
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