From: G Shaw (milspectruck@verizon.net)
Date: Mon Oct 24 2005 - 13:37:24 PDT
That small an altitude change would not amount even to 1 psi. It would not
really be of any concern where we are talking readings in the 35-60 psi
range. It is not an issue for "land based" vehicles :)
Regards
Glenn
-----Original Message-----
Sorry about answering a question with another but is there such a thing
Darrell Ramsell wrote:
> Mystery
===Mil-Veh is a member-supported mailing list===
From: Military Vehicles Mailing List [mailto:mil-veh@mil-veh.org] On Behalf
Of Fred Martin
Sent: Monday, October 24, 2005 4:19 PM
To: Military Vehicles Mailing List
Subject: Re: [MV] Mystery oil pressure problem
as a gage that isn't altitude compensated? Seems the problem only showed
up at altitude. Fred
>
> Gents
>
> I drove my HMMWV this last weekend from the San Francisco Bay Area to
> Reno and back. On my trip I experience an unusual oil pressure
> problem that I hope some of you Diesel Engine Experts can help me with.
>
> Friday night I drove out to Reno. As I was crossing the Sierra
> Mountains at about 4,500 altitude my oil pressure dropped about 15
> psi. Normally when I drive it's at 60 psi & 30 psi when idle. So now
> it was at 45 psi. I stopped at a Rest Area and check for leaks and
> the oil and everything was fine. I also tested the engine. When I
> stepped on the gas the oil pressure went up then dropped when I let of
> the gas. I asked a trucker at the stop for some advice. After he
> check things out he said I should be okay. As I continued the oil
> pressure reading dropped to 30 psi but the engine seemed to be running
> fine. By this time I had reached the summit and since the rest was
> down hill I decided to continue on. As I started going down hill the
> oil pressure went up to about 40 psi and stayed there. I finally made
> it to my destination with no problems.
>
> I discussed the problem with some friends in Reno and they felt I
> should be able to drive home. So I drove back to the Bay Area today
> and my oil pressure was normal all the way home (60 psi driving & 30
> psi idle). In fact it ran just fine.
>
> The only other thing I noticed was that there appeared to be some oil
> residue around where the exhaust manifold attached to the block but it
> was just in one spot and I could tell it this was fresh or not.
>
> So my thoughts now is that perhaps I might had a fluke with the oil
> pressure sender unit or gage is going bad. But the oil residue around
> one of the exhaust manifold and engine block concerns me. Maybe the
> gasket has a small leak or it's something else and if it does I don't
> know if it's related. So if anyone can help me solve my dilemma I'd
> appreciate it.
>
> Thanks
>
> Darrell
>
>
> ----- Original Message ----- From: "jhooah" <jhooah@mindspring.com>
> To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
> Sent: Sunday, October 16, 2005 12:14 PM
> Subject: [MV] TP filter, 'secret" Fuel ingredients and AN/TAS-4 parts
>
>
>>
>> How about using the Toilet paper filters for filtering the WVO as a
>> pre-filter, then burn it in the Deuce... Should save $$$ on the
>> primary filters.
>>
>> The "Secret" ingredient that company sells is likely the pre-mixed
>> Lye and methanol so you can merely add it to a vat and do the rest of
>> the work like Bjorn has done in individual steps.
>>
>>
>> Funny thing happened following the Mil Show the other day, the local
>> FBI called up to ask if I knew anything about a guy driving an
>> Anti-Tank missile jeep around my area during a rain storm last
>> Saturday... I said "Sure, it was me"...... Seems someone called in
>> to complain about my demilled TOW jeep driving to the show... Really
>> something a terrorist would drive around in when they are trying to
>> sneak up on you eh?
>>
>> I'm seeking AN/TAS-4 Thermal Night sight guts... I want to fix the
>> Thermal for the kids to see through....(don't want any other TOW
>> electronics, not going for operational system here, just the thermal
>> parts...)
>> Could buy a Soviet version,maybe Iraqi, but that's not "restoring it"
>> and defeats my intended purpose. if you haven't looked through a
>> Thermal, do so at a Military show one day...Neat, just like "Cops"
>> chasing crooks with helicopter stuff.
>>
>> Regards
>> W Winget
>> Virginia
>> www.vmpa.us/aw
>>
>> XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
>>
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>
>
>
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