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Date: Tue, 02 Jun 1998 10:04:04 -0500
From: ch <chobbsnopsamst.net>
Subject: Re: Oilchanges


How much does oil analasys cost? CH Saab85900 wrote: > >Colin Hobbs wrote: > > >And i have been considering the purchase of a > >bypass filter. but this is what bothers me about leaving oil in an .engine for > 100,000 miles > > Colin, you don't just "leave it in for 100,000 miles". Key to the extended > drain is oil analysis. The lab will tell you if the wear metals are > acceptable, if the additive package is still there, if the viscosity is in > range, and if the oil has been contaminated (water, glycol, fuel, etc). As > long as the oil is good, you change filter9s) and charge on for the next test > interval (usually 25/35, 000 miles OR 1 year--less for turbos/diesels). > > > Do you think that oil with 100,000 miles on it lubricates as well as oil > with 4,000 miles on it? > > Probably not quite as well, but if you are talking AMSOIL, it probably lubes > better than fresh non-synthetic<g>. If you are planning to keep your car for > over 400,000 miles, you might want to go ahead and change the oil out a bit > more frequently (maybe evry 50K<g>, even if the lab says it is still good. > > I have Bypass Fitlers on both my turbos, not on my Dodge van, at least not yet. > Have an old one here I'll probably put on, though I only run the thing about > 8-10,000 miles a year. > > Personal opinion is that the Bypass Filter is a great thing, especially if you > are running turbo/diesel/or commercial operation. For Harry Homeowner's Honda, > it is probably overkill--often hard to find room for it and you can't wear the > engine out anyhow if you are changing AMSOIL yearly. > > Dick in Falls Church, VA > Using and sellng AMSOIL (First in Synthetics) over 20 years

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