Bernd , Thanks for the further info . The running gear, drive train break -
in. I'm moving a mixture of trucks and cars, standards and automatics over
distances up to 400 miles.
Jim Knox
91 Dak
>From: "Bernd D. Ratsch" <bernd@dodgetrucks.org>
>Reply-To: dakota-truck@dakota-truck.net
>To: <dakota-truck@dakota-truck.net>
>Subject: RE: DML: RE: Factory Engine, Run - In Procedure, Gasoline & Diesel
>Date: Tue, 16 Oct 2007 22:54:35 -0500
>
>
>The engines of today are much higher quality (engineering and tolerances)
>than those of old. Can you "romp" on them right off the showroom floor,
>yes
>- but there still is some break-in. The biggest issue isn't with the
>engines though, it's the towing/hauling. During the first 500 miles - NO
>TOWING...the differential(s) need to break in first (along with brakes and
>clutches).
>
>BTW: The oil used in these engines isn't just based on EPA requirements,
>it's primarily based on the internal engine tolerances. Bearings now are
>down to .006" variance and oil selection is critical. If the cap states
>5w20, that's what should be used. Thicker oil can cause premature wear or
>failures with these tolerances.
>
>- Bernd
>
>-----Original Message-----
>From: knox.james@sympatico.ca [mailto:knox.james@sympatico.ca]
>Sent: Tuesday, October 16, 2007 9:55 PM
>To: dakota-truck@dakota-truck.net
>Cc: knox.james@sympatico.ca
>Subject: RE: DML: RE: Factory Engine, Run - In Procedure, Gasoline & Diesel
>
>
>
>
>
> >From: "Bernd D. Ratsch" <bernd@dodgetrucks.org>
> >Reply-To: dakota-truck@dakota-truck.net
> >To: <dakota-truck@dakota-truck.net>
> >Subject: DML: RE: Factory Engine, Run - In Procedure, Gasoline & Diesel
> >Date: Tue, 16 Oct 2007 11:37:43 -0500
> >
> >
> >The engines are bench tested (oil pressure and flow) and then installed
> >into
> >the vehicle. After installation and vehicle build, they are run at the
> >factory for about 1 mile. Then, they arrive at teh dealership where we
> >check them over and drive them for another 5-10 miles.
> >
> >- Bernd
> >
> >-----Original Message-----
> >From: knox.james@sympatico.ca [mailto:knox.james@sympatico.ca]
> >Sent: Tuesday, October 16, 2007 11:17 AM
> >To: dakota-truck@dakota-truck.net
> >Cc: knox.james@sympatico.ca
> >Subject: DML: Factory Engine, Run - In Procedure, Gasoline & Diesel
> >
> >
> >
> >Are new engines test run in the factory ?
> >Should a no mile'age vehicle engine right from the dealers lot be run in
>?
> >
> >Jim Knox
> >91 Dak
> >
> >
>Thanks for the factory info Bernd.
>Next question, Rite off the lot should the engine be run in gradually as in
>speed, rpm and load.
>Some people drive 80-90 mph rite from the start.
>I'm old school in thinking of rings, bearings, ect wearing in,initially at
>speed limits and 2000 area rpms
>
>This is in regard to moving new vehicles ( dealer trades )
>
>Jim Knox
>91 Dak
>
>
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