Date: Fri, 23 Oct 1998 16:09:53 -0400 From: Bob <rhusseynopsamrus.ca> Subject: Re: Oils/Fluids for 900T
-can you recommend a procedure to switch a car over to synthetic oil ? Flush the crank case ? Change it several times in a few thousand miles ? I thought it was bad to mix the two types of oil and one would assume that some of the old oil would be carried over from one oil change to another. Also how do you like the Castrol 5w50 ? Bob... Justin VanAbrahams wrote: > njahnopsamejanews.com wrote: > > > > ALWAYS run a turbo > > on synthetic oil. The standard stuff will break down in no time (<3k miles) > > and will prove a false economy especially when the turbocharger gives up. 3) > > If the oil is too thin for the engine you will know about it since you may > > develop strange oil leaks and loose oil out the engine breathers etc. If the > > car drives smoothly and doesn't loose oil then why be stupid and put thicker > > oil in. Seriouslly if you take this guys crap advice and put something like > > bog standard 20w-50 in the engine you will do it serious damage. NJH > > You are dead-on on that one... I bought my '85 900 Turbo with 186,000 > miles on it. At the time, it was not running, and had been nearly > two years (!) since it's last oil change. I drained the oil, replaced > the filter, and refilled with Mobil 1 5w-30. Not a single leak has > developed in the last 5,000 miles (except the power steering rack :). > The same is true for an '88 9000T I recently purchased - 212,000 > miles on the odometer, and I refilled with Castrol Syntec 5w-50 (no > Mobil 1 around :) and it doesn't leak nor burn a drop. > > Always use synthetic. Always. And if your car does happen to > be an exception and develops a leak, fix the leak. Don't change > "good practice" to avoid having to fix a problem. > > -Justin