[DeTomaso] Misdiagnosing an oil pressure issue

Mike Drew MikeLDrew at aol.com
Sun Mar 18 22:00:30 EDT 2018


Thanks Mike, that’s exactly what I plan to do now. :)

Mike

Sent from my iPad

> On Mar 18, 2018, at 16:26, Mike & Elizabeth Thomas <mbefthomas at comcast.net> wrote:
> 
> Mike, I had the same problem a few years ago (not the dumbassery part) and
> wanted to flush the heater lines with the motor in the car.  I disconnected
> the heater hoses from the block and water pump (have blue silicone so
> they're easy to bend, threaded them down so they ran under the car, jury
> rigged a garden hose connection to one (the end that would normally send
> water to the heater core) and ran the other heater hose into a bucket and
> holy crap!, er, rusty crap!  That did the trick.  If you have a
> male-threaded hose end on your utility sink faucet, you could run hot water
> through and may get more out than with cold.  Just a thought.  Also, don't
> turn the water on full, that could be entertaining.
> 
> Haven't had an issue with the heating system in the 8 years since.
> 
> Mike Thomas
> Pres., Panteras Northwest
> 206-795-3302
> Yellow '74 #6328
> www.panterasnorthwest.com
> 
> 
> 
> 
> -----Original Message-----
> From: DeTomaso <detomaso-bounces at server.detomasolist.com> On Behalf Of Mike
> Drew via DeTomaso
> Sent: Saturday, March 17, 2018 7:49 PM
> To: spkorb at gmail.com
> Cc: DeTomaso Mail List <detomaso at server.detomasolist.com>
> Subject: Re: [DeTomaso] Misdiagnosing an oil pressure issue
> 
> Sean,
> 
> Good story! But if you went through all the work to remove the stock oil
> pan, and then just put it back instead of installing a quality pan like and
> Aviaid or Armando pan, well....
> 
> Then I think your self-assessment is correct. :) :) :)
> 
> Speaking of dumbassery, yesterday after rebuilding my frozen heater valve, I
> installed it and hooked up new heater hoses and prepared to have a
> functioning heater for the first time in 29 years. 
> 
> I had thought long and hard about all the things I was going to do to make
> sure the pipes and heater core were free of debris. I thought SO long and
> hard about it that I became convinced that I had actually done it!
> 
> So in my excitement I hooked everything up, filled the cooling system and
> tested it. It blew lukewarm for a minute and then blew cold. Feeling the
> heater hoses, they were room temperature too. 
> 
> Zero water flow. Then I realized I never cleaned out the 30 years of gick
> that are probably in there. So now I have to tear the system down and try to
> clean it all out and get it to work properly. It would have been so easy
> when the engine was out just a few weeks ago. 
> 
> Yes, I am a dumbass!!!!!
> 
> Mike
> 
> Sent from my iPhone
> 
>> On Mar 17, 2018, at 19:07, Sean Korb <spkorb at gmail.com> wrote:
>> 
>>  Years ago, I noticed in right hand turns my oil pressure would suddenly
>>  drop.A  It was alarming so I took right hand turns very slowly.A
>>  Sometimes it would drop in left hand turns too.
>>  I didn't know if I had safety wires for my -1 ZF ring gear and I had
>>  stock 2 piece valves so I thought it was a good time to do some
>>  familiar maintenance.A  I thought extreme measures were called for so I
>>  even got a deep pan to install.
>>  ZF turned out to already be safety wired.A  Yay.A  The old pan came off
>>  and wow!A  All the valve seals had disintegrated and settled in the
>>  pan!A  Problem solved!A  I cleaned it out and ran solvent through all
>>  the galleys and block, installed the pan and put rebuilt heads on and
>>  painted the block.
>>  I had the same problem in left and right hand turns.A  And it was
>>  getting worse!A  I assumed I had missed a few flakes of valve seal and
>>  I was going to have to take the motor out again.
>>  One day I started it up and had no oil pressure at all!A  It did
>>  eventually come back but I did discover some other odd problems had
>>  been mounting and wiggling the fuses helped.A  I wire brushed them (a
>>  little copper wire brush) and it helped but I still had some trouble.A
>>  I noticed some of the rivets were loose so I set them with a wide awl
>>  struck with a hammer.A  That tightened them up, my lights and
>>  instruments seemed more reliable and I went about my business.
>>  I had some long left and right hand sweepers today on the way to a car
>>  show and I noticed the pressure did not drop the entire drive.A  It's
>>  been years since I put the motor back in and a year since I set all the
>>  fuses and I just... never noticed.A  It just works.A  Everything works.
>>  So anyway, I'm kind of a dumbass but at least the issue is resolved and
>>  I can take some curves in the Pantera like I always imagined doing :)
>>  sean
>>  --
>>  Sean Korb [1]spkorb at spkorb.org [2]http://www.spkorb.org
>>  '65 Suprang,'68 Cougar,'78 R100/7,'60 Metro,'59 A35,'71 Pantera #1382
>>  "The more you drive, the less intelligent you get" --Miller
>>  "Computers are useless.A  They can only give you answers." -P. 
>> Picasso
>> 
>> References
>> 
>>  1. mailto:spkorb at spkorb.org
>>  2. http://www.spkorb.org/
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