[TR] oil pressure 40-50?

[don]

Oil pressure at idle or at higher RPM?  There's going to be a big 
difference!  On MGAs and MGBs the idle oil pressure would be about 20 psi 
and at driving speed about 60 psi.
Also, the type of oil filter and the weight of oil.  I don't have any 
experience with TRs (other than a TR8), just MGs and Sprites and other BMC 
cars.  I do know that there was a felt oil filter that would give me about 
10 lb. more oil pressure than the cardboard filter on my MGA.  And Castrol 
20-50 would not have as much reduction in oil pressure once the engine was 
hot, where other brands would show significantly lower oil pressure.
Don Scott
1962 MGA
1973 MGB GT (for sale)
1991 Miata BRG



At 08:10 PM 09/23/2008, dorpaul wrote:

>I stated my car today for the first time in several years.  The engine has
>been rebuilt by professionals.  Doug Mathews and myself installed it.  I knew
>it would work cause I had ran it several years ago (since the rebuild),
>however, the car had not been wired at that time.  Now the wiring is nearly
>complete, and, the engine runs too!  I'm on a winning streak!!
>
>The oil pressure stayed at about 50 at the beginning, but after about 10
>minutes of running it started to move to around 40.  I don't remember what is
>preferred for a newly run-in engine.  I had added about 2 quarts of some kind
>of oil additive because a flaps salesman gave me a 'good pitch' about it's
>benifits.  It was proably synthetic.  I'm so gulable!
>
>I decided not to go ahead at this time and buy a battery just yet, as I have
>3-4  months worth of work before the car is roadworthy.  I put my truck's
>battery in the Tr3 to start it.  If I had known how the starter solenoid is
>properly wired to the key switch, I would have cranked it with a key.  I think
>my switch is bad.   Instead, I did it the way I've been warned about: by
>manually 'jumping-out' the 2 big lugs on the starter solenoid.  It's not a
>stock solenoid.  Tomorrow I'll try to make it so that it will start from the
>console.
>Thanks, Paul Dorsey  60 TR3A
>
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