The Synthetic oil will not harm the engine in anyway. Yes it is fine to
switch back to regular oil next time. and yes you can go around 6-7,000
miles with the Synthetic oil, but i prefer 5,000 on Synthetic.
----- Original Message -----
From: DYSmith <dysmith@carolina.rr.com>
To: <dakota-truck@dakota-truck.net>
Sent: Friday, October 04, 2002 4:06 PM
Subject: DML: Mobil One Syn 5-30
>
> I just got my oil changed and I told my mechanic to put synthetic in it by
> mistake. I've been running regular Mobil in it. I have 16,000 miles on the
> stock 4.7. Is it ok to switch back if I decide to? He told me I could go
> around 7500 mi. before the next change?? And, what differences should I be
> noticing with the syn in it?
> TIA
> DySmith
> 2002 QC Manual 3.92, 4.7 SLT 2WD
>
>
>
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