Well, they (Kendall) have spec sheets that show zinc and phosphorus content
as a percentage of weight, which is essentially useless (how much does a
quart of oil weigh? It's sold by volume...). Are they being deliberately
obscure?
I looked at the sheet for GT-1 High Performance Motor Oil. It said the 20w50
grade ONLY had "additional" ZDDP, but it didn't say how much, and the %
figures made no distinction between grades. At any rate, it can't be a
significant amount, since it stated the oil still meets new car warranty
requirements.
What we are looking for, essentially, is an oil that DOESN'T meet new car
warranty requirements (i.e. too much ZDDP for the catalytic converter to
handle). This is the problem -- who would market such a product? Specialized
outfits like Brad Penn, I suppose.
--
Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the primer red one with chrome wires
on 9/21/09 12:27 PM, Barrie Robinson at barrie@look.ca wrote:
> They told me to go to their web site and they did give me PPM figure
> but I cannot recall what it was. I have their brochure but no mention of PPM
>
> At 11:25 AM 9/21/2009, Paul Hunt wrote:
>> So what does that mean in terms of quantity? There are any number
>> of claims out there that A has more than B, but until someone starts
>> specifying how much, and producing documentation to prove it, they
>> are meaningless.
>>
>> PaulH.
>>
>> ----- Original Message -----
>>> I chatted to the Kendall Oil bloke at their both. He said they
>>> had 50% more ZDDP (dialkyldithiophosphate - and you thought I
>>> couldn't spell!) than anyone else
>>
>
> Regards
>
> Barrie
> (705) 721-9060
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