[AT] Off Topic 2001 Ford F250 6.8L engine. Oil pressure gage port size.

Thomas O Mehrkam tmehrkam at sbcglobal.net
Mon Dec 19 16:19:22 PST 2016


Truck ran with no problems.  Went hunting in Runge Tx.

Saturday night temp dropped from 85f to 30f in just a few hours. We 
literately went from shorts to jump suites gloves and ski masks.

Hunting was great after the norther.  25mph winds and 30 degree weather 
was quite exhilarating.  Doves were flying backwards going up wind and 
100 mph down wind.  It was quite challenging and fun.

PS: Anyone try to burn Ceder Elm.  We lost a huge tree a couple of years 
ago.  I cut a few limbs to try the next trip.  I have heard bad things 
about piss elm.  This is not piss elm but it is elm. If that does not 
work We have some mesquite.

On 12/14/2016 10:05 PM, Thomas O Mehrkam wrote:
> I am not far from you now.  I live in Houston Garden Oaks north of the
> Heights. I lived here when we were a Suburb and we were out in the country.
>
> My father grew up on a farm in Waller.  After the war he settled in
> Garden Oaks and worked as a Printer.  The 47 acres is part of my Grand
> Fathers  farm.   The H belonged to an Uncle. I worked in Sharpstown  and
> Stafford for 35 years.  Now working  290 and Pinemont NW Houston.
>
>
> On 12/14/2016 9:30 PM, Dennis Johnson wrote:
>> Thomas,
>>
>> You will be close to me when you move. I am about 48 miles South of you in Rosenberg.
>>
>> Dennis
>>
>>
>> Sent from my iPad
>>
>>> On Dec 14, 2016, at 9:02 PM, Thomas O Mehrkam <tmehrkam at sbcglobal.net> wrote:
>>>
>>> Oil pressure followup.
>>>
>>> Oil pressure specifications. Engine at temperature 200F, 2000 rpm
>>> pressure between 40 and 75 psi.  Mine is at 53 psi.   Not bad for
>>> 240,000 miles.
>>>
>>> I found a oil pressure test set at harbor freight.  $27.  It had a
>>> gauge, 5 1/2 ft hose and a bunch or adapters.  It could use some type of
>>> swivel. I had to crawl under the truck and out from under it at least
>>> five times to relieve the torque on the hose to be able to thread in the
>>> gate. A swivel would have been much easier but it worked.  The gauge
>>> looped over the driver side mirror makeing it easy to perform the test.
>>>
>>> http://www.harborfreight.com/catalogsearch/result?q=oil+pressure+tester
>>>
>>> The pressure sender thread is 1/4 18 MPT  instead of NPT.  No O ring on
>>> the gas engine just some thread sealer.   It is a straight thread. The
>>> tester had a tapered thread and engaged two threads sealed fine for the
>>> test.
>>>
>>> Pressure was 30 psi at 1000 rpm idle.  28 psi in gear at idle 700 rpm
>>> and 70 psi max wot.  I installed a new pressure switch and all looks
>>> fine.  Time to go hunting this weekend.  Yea.
>>>
>>> Thanks for the help.  I tried to put a tester together from parts from
>>> Northern Tool but they did not have the proper gauge in stock so the
>>> Harbor Freight it was. About the same price anyway.
>>>
>>> ANTIQUE Tractor Reference.
>>>
>>> I am moving a house on my 47 acres in Waller Texas.  When things dry out
>>> I will be using the Ford and trailer to move my Farmall H and blade to
>>> level the pad for the house.
>>>
>>>>> On 12/14/2016 6:19 PM, Steve W. wrote:
>>>>> tmehrkam at sbcglobal.net wrote:
>>>>> Thank you.
>>>>>
>>>>> For some reason I did not think about NAPA
>>>>> Strange it says MPT which is a straight thread not tapered.
>>>> The actual unit in the engine nor has the same thread form as NPT, but
>>>> it is a straight thread with an O-Ring that seats against the block to
>>>> seal it. Only the OEM switch is made that way.
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