Hi. Since you have so much concern about wear on initial start up, Maybe you should have a pre-oiler device on your engine... With this system you can provide oil pressure to the bearings, before even cranking the engine. Scott www.turbovans.com -----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of David Kao Sent: Thursday, October 04, 2007 9:05 AM To: vanagon@GERRY.VANAGON.COM Subject: Re: Cold-start up oil issue..a solution No. I am not concerned about "dry" wear on engine start up. It is the oil weight of 20 at cold start question. Most engine wear occurs at the first few miles after a cold start. Is 20W-50 good enough or is 5W-50 better for reducing cold start wear? This may be a question during winter only. 5W-50 is not widely available. I am using 10w-40. Yes, I keep hearing that 20w-50 works fine. 10w-40 has worked very well for me too. But is there a difference? What is the difference? What is better for winter? I know once the engine warms up there is no difference any more. But the wear happened before the engine warms up. I heard that each cold start wear equals the wear of 200 miles of driving. I think dry wear contributes to the cold start wear too. But it occurs only for a few seconds. Thanks for the accusump suggestion. That's something I haven't thought about. BTW, I look forward to hearing your new trip report soon. David --- Don Hanson <dhanson@GORGE.NET> wrote: > If you are concerned about minimizing 'dry' wear on engine startup, or > perhaps use your Syncro at silly angles on rugged terrain, you may want to > install one of these accusumps. I had them in my racecars. They are pretty > simple and an elegant solution to the short period of time when you first > fire up, or if for any reason you uncover your oil uptake. > I suggest using the electric switched model, the one that activates as you > switch on the ignition. Essentially, it 'pushes' 2-5 quarts of oil through > the oil galleries, pre-oiling the bearing surfaces before you turn the motor > over. > > http://www.accusump.com/ > > Don Hanson >
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