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 > _________________________________________________________________ Join the world�s largest e-mail service with MSN Hotmail. http://www.hotmail.com