David is correct, here. To my friends, whose names I will omit, but who
have opined on this subject, and any of you others choosing to ignore the
issue, I say: DUH! For the same price, or very slightly higher, you can use
the best/correct oil and not need to worry about it. WHY WOULD YOU RISK
EVEN THE POSSIBILITY OF PREMATURELY WEARING OUT YOUR ENGINE, WHEN, FOR
ROUGHLY THE SAME MONEY YOU ARE BUYING "JUNK" OIL (any brand conforming with
API specification SM) FOR, YOU COULD BE USING THE BEST???
Just because "it" (the wrong additive package for our flat tappet engines)
has not yet bitten you in the ass, yet, does not mean you have escaped.
Look, I don't care whether or not you use brand X, or brand Y, or brand
Z........just use oil that has an API spec SJ rating, as it will have the
correct additive package for your engine. In addition to my favorite, Brad
Penn, both Castrol and (I think) Valvoline and a few others I can't recall
right now offer 20W-50 oils with the correct additive package for flat
tappet engines FOR THE SAME PRICE AS THE SM SPEC OIL. Why would you
deliberately put the wrong oil in your engine???
End of rant and back to work ;) Good luck to all of you and to your engines
(speaking of which, my '72 Midget's engine has been together for 27 years,
running Kendall GT1 and Penn Grade 1....no end in sight, but curiosity is
getting the best of me and I may tear it down one of these winters & see how
it looks).
Bud Osbourne
----- Original Message -----
From: "David Lieb" <72spridget@gmail.com>
To: "Spridgets" <spridgets@autox.team.net>
Sent: Wednesday, July 22, 2009 9:46 AM
Subject: Re: [Spridgets] oil for spridgets
> Billy wrote:
>> The ZDDP thing is for real, but it's a slow engine killer. It cuts your
>> engine life by maybe half. It's also an important factor if you have a
>> gearbox that takes motor oil. Gears really need an extreme pressure
>> lubricant.
>
> Larry wrote:
>> I recently bought an AL V-8. It came out of an MGB and had less than 500
>> miles on it. The mutt crashed it that fast. I looked at the cam and two
> of
>> the lobes were wiped. One of the lifters looked like a bad case of acne.
>> Less than 500 miles.
>
> My understanding is that it is a slow killer of a properly broken in
> engine. OTOH, in a newly rebuilt engine, the absence of zddp can lead
> to early failure. The evidence is way beyond anecdotal at this point.
> The new oil is ok for the new technology engines and the absence of
> zddp extends the life expectancy of the catalytic, but it is certainly
> an issue with Spridget engines.
> David L
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