Breraking in a new engine

From: Darrell Ramsell (daram@comcast.net)
Date: Tue Oct 25 2005 - 10:57:52 PDT


Thanks Dave

This leads me to another question.

When you buy a new car, they often have you come back in after 10,000 miles
for an engine adjustment. Is the same true for diesel engines? If so, what
items should be adjusted or tuned.

Thanks

Darrell

----- Original Message -----
From: "MV" <MV@dc9.tzo.com>
To: "Darrell Ramsell" <daram@comcast.net>
Cc: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
Sent: Tuesday, October 25, 2005 10:39 AM
Subject: Re: [MV] Mystery oil pressure problem

> If you have a stock oil pressure pump, and you are running regular spec
> motor oil, then the oil pressure is determined primarily by the clearance
> in the bearings. Since your motor is relatively new and apparently they
> set the clearances either right on or a little tight, then your oil
> pressure will run a little high. You may also have an aftermarket oil
> pump which puts out more volume which can lead to higher overall
> pressures. A little high or little low is not generally not a problem, a
> lot high can cause excessive oil pump wear. A lot low and you usually
> have worn bearings or a pressure leak in the block.
>
> Dave
>
> Darrell Ramsell wrote:
>> I forgot to add that I live about 40 "miles" east of San Francisco.
>>
>> I also forgot to ad that my engine is a new rebuilt with less that
>> 10,000. I'm not sure if that make a difference or not but I thought I
>> would mention it. I've been told that my oil pressure runs a little on
>> the high side. I wonder if this is because the engine is new so to
>> speak.
>>
>> Darrell
>>



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