won;t a non detergent oil result in sludge in the motor?
>From: KerryPinkerton <pinkertonk@xxxxxxxxx>
>>Ok, We need a test case. I hear and understand what
>D2 is saying and actually agree with his words. I;m
>struggling with the difference between the theory that
>D2 correctly describes and what I perceive to be the
>real world.
>
>In my experience, if you have a car that smokes A
>LITTLE, especially at startup, then running Vavoline
>40 or even 50W racing oil (non detergent) will greatly
>reduce the smoking AND increase oil pressure. The
>downside is that when it is VERY COLD (40 or less) it
>seems a little harder to crank and oil pressure does
>not pop up quite as fast but still pops right up.
>What works for me may be because I have rather sedate
>driving habits but based on what D2 said, my solution
>would actually be better for hard driving except
>possibly for a few seconds at startup. After all,
>it's RACING oil.
>
>A car which smokes probably has extra clearance in the
>journals and the heavier oil seems to take up some of
>the slack hence higher oil pressure. Yep the heavy
>oil can get SLOOW when cold but my thinking is that it
>will also stay in place on the journals while the
>pressure is coming up. Anyway, in 37 years of messing
>with old cars, this has worked for me and saved me
>several rebuilds because I won't drive a smoking car.
> I've never had an engine seize or develop a knock.
>If it doesn't smoke, has decent oil pressure, and has
>not other mechanical problems, I'm perfectly content
>to let my money get smaller in the stock market rather
>than building an engine. However, this is MY OPINION,
>what we need is a test of sorts.
>
>I'm willing to make this offer to ONE person. If
>someone has a car that smokes a little (enough to be
>noticable and be able to tell if it smokes less after
>the test), is due for an oil change, and normally runs
>a multigrade detergent oil change it and put in
>Vavoline 40 or 50W racing oil (Autozone, walmart,
>advance, etc). The racing just means non detergent.
>IF it does not, IN YOUR OPINION, reduce smoking, I'll
>pay for the oil and filter and you can change it back
>to whatever you want. This does not include labor so
>I guess I'm looking for a do-it-yourselfer.
>
>This will be first come only to the FIRST person who
>emails me privately. When I get a volunteer, I'll
>post who it is and we'll await the results.
>
>Kerryp
>
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