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Re: [T3] oil viscosities: was starting problem


On 2 Jul 2002, at 22:31, Y and C Everhart wrote:

> > There was an afternoon here 20 years ago, when the temp dropped about 75
> > degrees in ~4 hours. I rode my bike in to work on a warm morning wearing
> > shorts, and got a ride home that night because it was snowing.
> 
> That sounds pretty good right about now - if that happened here today it
> would be 36 degrees out!

Yeah, that's hot! Wow, 111F. I drove thru Wyoming about 20 years ago in 
August and stopped to get gas only to be told that it was 112F. I was driving 
my 71 square with its freshly rebuilt engine, stock except for CW crank, full 
flow filter, and ported heads. It had absolutely no problems on that trip 
except for the fact that I was leaking oil off the bottom of the sump. 20W-50 
oil did NOT fix that, but at the next oil change I noticed that the 2 case 
halves did not line up to each other perfectly at the sump plate. I loosened all 
the bolts along the bottom, pushed things into alignment and retightened. 
That fixed the leak permanently. Since that experience I've noticed that it 
often takes some persuation from me to line this area of the case up, but I 
do it up front rather than later, with oil dripping in my face.  

That day driving thru Wyoming certainly seemed warm, but it really didn't 
seem as hot there as it feels in the midwest when it is 96F and 95% 
humidity. I suspect we'll see several such days on the way to, and in, Idaho.  

I think that one thing to keep in mind is that highway driving is fairly easy on 
the engine and undemanding on the cooling system. It's nice to have all that 
extra airflow around and under the car. Contrast this to standing in stalled  
traffic with the heated air just building up underneath you.  

-
Jim Adney
jadney@vwtype3.org
Madison, WI 53711-3054
USA

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