I was paid by Shell to test out their oil on my brand newly restored
Austin Healey. It was meticulously measured for the dreaded valve
seat recession and I put a lot of miles on. After this Shell
measured again (they made a special tool to fit the engine) - and
voila! - no signs of wear! This during a period when some
companies were pushing additives
At 10:54 AM 8/28/2010, Paul Osborne wrote:
>I'm with Barney, why all of these exotic oils and lube mixes???
>Have been using NAPA 20-50 too and with 100,000 + and in 2 cars
>, regular changes all is just fine. Guess there is a need to spend $$ .
>paul
>
>
>>Chuckle. Something wrong with "the average LBC"? My MGA fairly
>>often does 500 miles in a single day. 385,000 miles and counting.
>>So far I do not worry about ZDDP, except during a new cam break in
>>period. I run NAPA 20W50 in summer and 10W40 in winter. Current
>>engine has 75,000 miles, going strong, never had the bottom end apart.
>>
>>Barney Gaylord
>>1958 MGA with an attitude
>>http://MGAguru.com
>>
>>
>>At 11:23 PM 8/27/2010 -0500, "Ron S" (<iverside> wrote:
>>>The street version does not contain zddp. VR-1 does contain zddp
>>>and is labeled for off-road use only but does not contain the
>>>high milage additives of the street version. It is meant to be
>>>changed after every race, or about every five hundred or so miles.
>>>This is about the milage the average LBC `weekend tourer' does in
>>>a driving season in a moderate climate area.
>>>....
>___
>
>--
>Paul Osborne
>University of Rochester
>Engineering & Technical Services
>Department of Electrical and Computer Engineering
>201 Hopeman Bldg River Campus
>Rochester, New York 14627
>585-275-5226
>paul@ece.rochester.edu
>_______________________________________________
>
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Regards
Barrie
barrie@look.ca
705--721-9060
_______________________________________________
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