Rick,
Running a 0W- oil eliminates "cold" pass risk. That, for me, is one of
the reasons to use it.
Bryan
On 7/30/2013 9:50 AM, Rick Byrnes wrote:
> Hi doc
> try rickbyrnes@comcast.net Comcast recognizes your isp as one that
> sends spam and blocks, so it may block this address too. otherwise txt
> 3133198544
>
> Back on the subject of oils, Brian you are right about 50 wt Mobil 1,
> but I NEVER made a run with oil temp at least 150 deg f and at 180 H20
> temp. The N/A motor now on methanol has a heat exchanger inside the
> oil tank with coolant flowing thru it, and I preheat both lube and
> coolant. On one of my learning visits to the salt, I watched somebody
> destroy a Carillio rod when he made a "cold" pass.
> My old turbo motors were easier to preheat, and had lots of bottom end
> clearances that like it once everything was warmed up. I flowed lots
> of oil at 60 to 70 pounds pressure.
> There may be a few HP in running on the fine edge, like nascrap, but
> they have more resources than all of us combined. AND the run only 1
> lap qualifying. I would look at Indy car qualifying at Indy for
> better data. Problem is getting data.
> Good luck this year. I'll be quietly watching.
> Oh, I am back to work on the liner, and have finally started enjoying
> it again. Life is not normal, but getting better.
> I will never be quite the same....
>
> Mayf, with production bottom end clearances I would not hesitate to
> use the multiweight oil. _______________________________________________
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