The other issue as I understand it is synthetic's superior detergent properties. On an older engine, switching to synthetic can break down deposits in the engine, clogging the oil filter causing loss of the engine in a short time due to oil starvation.

-d

At 06:25 PM 2/28/02 -0500, you wrote:
>I agree now is the time. The problem as I understand it is when you start
>when your seals are old and hard. Your seals are new and your clearences ore
>good so go for it.
>
>Joe
>----- Original Message -----
>From: "Max Wellhouse" <maxjoyce@IPA.NET>
>To: <vanagon@GERRY.VANAGON.COM>
>Sent: Wednesday, February 27, 2002 1:52 PM
>Subject: Gradual switch to synthetic oil?
>
>
>> Anyone thought of dealing with the perceived notion of switching to
>> synthetic oil by first going to a "blend" oil for a couple of oil changes
>> and then going to the full synthetic?  Keeping in mind that staying with
>> the same manufacturer might be a good idea.
>>
>> All input welcome.  Have almost 9k on the Boston Bob rebuild and if I'm
>> going to switch, I guess now would be time time.