Castrol Syntec for older ENGINES

Looks like somebody realizes the problem. Has anybody tried it?

http://www.castrol.com/castrol/genericarticle.do?categoryId=82915470&contentId=7032644

Exceptional Engine Protection for Classic Cars

Finally, a motor oil that's one for the classics...

Today's engines face different demands than those of yesteryear. Now classic car owners who are particular about what they put in their vintage vehicles can receive modern wear protection from a high–zinc formula specially engineered for classic engines.

Back in 1906 Castrol created its first automobile lubricant. Since then, our leading–edge technologies have protected generation after generation of engines. Castrol SYNTEC 20W–50 motor oil is geared to protecting, preserving and helping extend the life of your vehicle from an age gone by that still lives on.

Key Benefits *


Contains increased zinc levels for extra engine wear prevention.
Utilizes proprietary additives and base oils to reduce metal–on–metal contact of aging engine parts.
Engineered to increase wear protection for classic cars with flat tappet camshafts.
* SYNTEC 20W–50 does not meet the catalyst compatibility requirements of vehicles manufactured since 1993.

Castrol SYNTEC 20w-50 Motor Oil
Classic & Vintage Vehicles that Qualify
Pre–1949 1949 — 1961 1962 — 1973


Call 1–800–462–0835 for the latest product details.

Does not mention cars between 1973 to 1993.

I called and the rep said for all 'flat tappet', regardless of the year.

They also said to make sure the label says for 'Classic Cars' as the might be old stock Syntec 20w-50 that does NOT have the ZDDP.

So I guess that all the posters that were saying the new formulation were fine for our cars were WRONG. Castrol has admitted there were 'ISSUES' with the new oil in older cars.

Stephen