A must read for E-tec fans

[XStech]

http://www.sae.org/technical/papers/2003-32-0007

The abstract on the link is good, But its well worth the money to order the SAE paper. It goes step by step on how they made a 2 star Ficht into a 3 star E-tec.

Lots of charts, graphs, and pictures of the E-tec technology.

Trust me, you'll love it.

[Jason Phillips]

I won't pay for the download, but the abstract was indeed interesting.

[Dover]

..graphs andcharts make my head hurt

[ChampioNman]

Post deleted by CM

[Backfire]

Check this out, especially anybody that thinks oil is oil, from SAE also.
Backfire

http://www.sae.org/technical/papers/2006-32-0018

[Dae]

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Backfire &raquo;</TD></TR><TR><TD CLASS="quote">Check this out, especially anybody that thinks oil is oil, from SAE also.
Backfire

http://www.sae.org/technical/papers/2006-32-0018</TD></TR></TABLE>

From what I read:

"Most of the major original equipment manufacturers (OEMs) offer a choice of engine technology to meet emissions regulations in the form of four-stroke or direct-fuel-injected (DFI), two-stroke cycle engines, with both segments representing a near equal share of the large engine market. Since the first DFI two-stroke cycle engines were introduced in the mid to late 1990's, significant strides have been made in further improving engine performance. However, the move from conventional carbureted two-stroke cycle engines to DFI technology introduced a more severe environment for the engine lubricant. With the advent of DFI, overall engine operating temperatures have increased resulting in greater demands being imposed on the engine's lubricant. In some severe duty applications, field problems have been experienced with some outboard engine oils leading to excessive liner wear and even engine scuffing.

To address this deficiency, lubricant formulations were developed and a laboratory engine test procedure was designed to quickly simulate and replicate observed field conditions. The test protocol allowed for quick screening of candidate formulations with improved overall engine performance. To validate the results, field trials were conducted under severe real-world conditions. In summary, the established test protocol and methodology allowed for the rapid development of new and improved formulations for modern two-stroke cycle DFI outboard engines "

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I guess all TCW3-RL is all pretty much the same. If you're wondering how I came to that conclusion, it's because the RL rating means that the TCW3 oil has met or exceeded NMMA lubricity test which was added to the TCW3 certification program 2 years ago.

- Dae