Didn't we find out that Chevron *won't* be reducing the zinc & phosphorous content in their Delo 400 diesel oil? I guess we'll have to go to that, or the racing oils. I prefer to use the diesel stuff, because it's readily available at O'Reilly's, Autozone, etc. Some sort of concrete confirmation that Delo 400 has the necessary additives, and will be keeping them would be very helpful. Is there some sort of document available that confirms that the additives are being reduced in Rotella-T? I find it silly that these additives are being reduced in an oil targeted at diesels, which don't have catcons. Not that "silly" has ever stopped anyone before...

As far as the EPA, well, I have no idea what motivates them exactly. It's easy to imagine some sort of conspiracy to kill off older cars, but a conspiracy requires intelligence, and more importantly, secrecy. Our government's never been great at keeping secrets.

krw

On Aug 16, 2006, at 9:46 PM, Infinite Space Systems, Inc. wrote:

Add to that short list Pennzoil Racing Oil, which is Dino oil. My old standby, Kendal GT-1 Racing Oil, has been drastically reduced in zinc and phosphorous. Do ***not*** use it. I will be switching to Pennzoil RO. Shell Rotella-T is scheduled to have its zinc and phosphorus additives reduced in 2007 and reduced further in each succeeding year. Can we all say, "EPA wants our older technology engines DEAD." Most true racing oils should stay unaffected by the EPA lunacy.

EPA claims the zinc and phosphorous additives will get into the cat and corrupt it. That can't happen if the engine isn't burning oil. Anybody ought to be able to figure that out. If the engine is burning oil, then it needs to be fixed. But the way modern engines are built, they use no oil. 29 July - 8 Aug, my Trans Sport used 1/3 of a quart of 10/30 Mobil One going up to Eveleth, MN, 1825 miles, at 5500 pounds GVW, and no oil on the return trip of 2312 miles at 4200 GVW. 22.5 MPG going up and 23.5 MPG for the return. The EPA is just plain nuts and uses VooDoo for science.

Milton Schick
1964 442 Cutlass
[EMAIL PROTECTED]


----- Original Message ----- From: "Kevin Wright" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Wednesday, August 16, 2006 6:31 PM
Subject: Rotella-T


Car Craft mentions Shell Rotella-T in an answer to a question in their "What's Your Problem" tech section, Sept. '06 issue. The question is titled "Valve Clatter", in relation to valve train noise. I n the answer, Car Crafts Jeff Smith mentions the lack of zinc and phosphorous in current oils, pointing out that a bottle o anti-wear additive is essential for cam break-in. Further, he says: "But the problem doesn't stop there. Many cam companies now suggest using engine oils with higher levels of zinc and phosphorous for engines equipped with flat-tappet lifters. Shell Rotella T is diesel- engine oil that offers these increased antiwear additives and is safe to use in gasoline engines. Another alternatives is using one of the high- performance oils from Quaker State, such as the Q racing oils , which contain higher levels of antiwear additives and can be used safely in street engines. The oils cost a little more, but they may prevent a flat-lobe problem down the road."

I just thought that it was interesting, in light of our discussions of oil, zinc, and phosphorous some time ago.



On digest mode, so I'm a little slow...

Kevin Wright [EMAIL PROTECTED] Dallas/Ft. Worth, TX http:// www.wankel.net/~krwright/cars/olds/70Olds.html

'71 Cutlass S for sale, less engine and trans: http://www.wankel.net/ ~krwright/cars/olds/71_cutlass.html

Snoopy: 1970 Oldsmobile Cutlass S Sports Coupe - It wants to be a W-31! And have EFI, 4-wheel discs, a 6-speed, a turbo or two... :) ...and a '71 Holiday Coupe less engine/transmission for sale - it'll be parts if someone doesn't buy it!

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