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Total 33 documents matching your query.

1. Oil Pressure Question (score: 1)
Author: "Thomas J Pokrefke" <pokrefke1@comcast.net>
Date: Sun, 28 Mar 2004 07:55:12 -0600
After warmed up (measurements taken after a 15 mile high speed tollway trip), my MGB shows about 10psi for each 1,000 prm while driving. This holds true for idling as well: i show about 10psi for an
/html/mgs/2004-03/msg00676.html (7,755 bytes)

2. Re: Oil Pressure Question (score: 1)
Author: "Paul Hunt" <paul.hunt1@blueyonder.co.uk>
Date: Sun, 28 Mar 2004 15:44:47 +0100
Sound wrong on two counts - shouldn't be that low at idle and shouldn't rise Book states 10 to 25 at hot idle and I think this should be considered an absolute minimum, mine only gets as low as 25 if
/html/mgs/2004-03/msg00677.html (8,750 bytes)

3. RE: Oil Pressure Question (score: 1)
Author: "Thomas J Pokrefke" <pokrefke1@comcast.net>
Date: Sun, 28 Mar 2004 10:05:14 -0600
Did a little more testing. At cold startup, the oil pressure was 55lbs @ When temp guage was 1/2 way between "C" and "N", the pressure was 40 @ idle. When temp guage was at "N", the pressure was 35 @
/html/mgs/2004-03/msg00679.html (8,390 bytes)

4. Re: Oil Pressure Question (score: 1)
Author: David Councill <dcouncil@imt.net>
Date: Sun, 28 Mar 2004 09:23:44 -0700
Well, I have similar problems with a fresh rebuild on a 72 engine. I went ahead and replaced the pressure relief valve including the cap, spring, and a metal space that fits in the cap (I noticed tha
/html/mgs/2004-03/msg00680.html (11,169 bytes)

5. Re: Oil Pressure Question (score: 1)
Author: Rocky Frisco <rock@rocky-frisco.com>
Date: Sun, 28 Mar 2004 10:54:31 -0600
Sounds to me like knackered bearings, or a worn crank, probably both. -Rock http://www.rocky-frisco.com -- JJ Cale Live CD and video: http://www.rocky-frisco.com/calelive.htm The Wednesday Night Scie
/html/mgs/2004-03/msg00681.html (10,488 bytes)

6. Re: Oil Pressure Question (score: 1)
Author: Max Heim <mvheim@studiolimage.com>
Date: Sun, 28 Mar 2004 12:12:29 -0800
Does the 1970 have the electric oil pressure gauge? Those are known to be pretty flakey. -- Max Heim '66 MGB GHN3L76149 If you're near Mountain View, CA, it's the primer red one with chrome wires
/html/mgs/2004-03/msg00682.html (8,725 bytes)

7. RE: Oil Pressure Question (score: 1)
Author: "James Schulte" <schultejim@msn.com>
Date: Sun, 28 Mar 2004 22:13:59 +0000
On my 70B, I had a similiar reading as yours . So, I change the main bearings while the engine was out for a transmission swap. The oil pressure the past three years since the change, has been 55lbs
/html/mgs/2004-03/msg00687.html (9,789 bytes)

8. Re: Oil Pressure Question (score: 1)
Author: "Paul Hunt" <paul.hunt1@blueyonder.co.uk>
Date: Mon, 29 Mar 2004 15:15:01 +0100
Hmmm, apart from the last one I'd say the readings are fine and don't indicate a problem with the relief valve, or the gauge or sender for that matter. The last one indicates loss of viscosity, which
/html/mgs/2004-03/msg00704.html (9,557 bytes)

9. Re: Oil Pressure Question (score: 1)
Author: "Paul M." <rowman22001@yahoo.com>
Date: Mon, 29 Mar 2004 07:00:55 -0800 (PST)
This reminds me of a question I always wanted to ask the list: What is the theroetical (and real) advantage of fitting the uprated oil pressure relief spring? It ups the oil pressure, yes, but if the
/html/mgs/2004-03/msg00708.html (8,851 bytes)

10. Re: Oil Pressure Question (score: 1)
Author: "Paul Hunt" <paul.hunt1@blueyonder.co.uk>
Date: Mon, 29 Mar 2004 16:50:23 +0100
Give you artificial peace of mind if the bearings are knackered? Con a prospective purchaser? I have seen it writ that it is a *bad* thing on an engine with good bearings, the increased pressure can
/html/mgs/2004-03/msg00709.html (8,458 bytes)

11. Re: Oil Pressure Question (score: 1)
Author: pokrefke1@comcast.net
Date: Mon, 29 Mar 2004 16:33:48 +0000
The last oil change was about 50 miles ago and I used fully synthetic Valvoline 20W-50 with a Fram PH43 filter. There is an oil cooler fitted.
/html/mgs/2004-03/msg00710.html (10,944 bytes)

12. Re: Oil Pressure Question (score: 1)
Author: Max Heim <mvheim@studiolimage.com>
Date: Mon, 29 Mar 2004 08:47:55 -0800
I think the answer is "no". I believe the benefit is in racing applications, where you might suffer oil starvation in cornering at low revs. It's a question of "enough is enough". I have heard that t
/html/mgs/2004-03/msg00711.html (9,395 bytes)

13. Re: Oil Pressure Question (score: 1)
Author: David Councill <dcouncil@imt.net>
Date: Mon, 29 Mar 2004 10:13:30 -0700
Well, I put one on a new engine (less than 500 miles) just because I was replacing the spring anyway. So far, it just gives me perhaps an increase of 10 psi when it peaks, around 3000 rpm. Its normal
/html/mgs/2004-03/msg00712.html (9,674 bytes)

14. Re: Oil Pressure Question (score: 1)
Author: Bob Howard <mgbob@juno.com>
Date: Mon, 29 Mar 2004 12:32:16 -0500
There's no advantage to using the uprated spring for normal driving. Although Mae West is credited with saying that "Too much of a good thing is never enough", that's not necessarily true of oil pre
/html/mgs/2004-03/msg00715.html (8,778 bytes)

15. Re: Oil Pressure Question (score: 1)
Author: Max Heim <mvheim@studiolimage.com>
Date: Mon, 29 Mar 2004 09:39:36 -0800
I'd take a wild guess that it's the synth oil -- it is "slicker" and flows better, resulting in lower indicated pressure. But it is probably working just fine. Personally, I can't see spending the bi
/html/mgs/2004-03/msg00716.html (8,211 bytes)

16. Re: Oil Pressure Question (score: 1)
Author: Barney Gaylord <barneymg@MGAguru.com>
Date: Mon, 29 Mar 2004 18:28:01 -0600
This should answer most questions about oil pressure and flow: http://mgaguru.com/mgtech/engine/of102.htm Barney Gaylord 1958 MGA with an attitude http://MGAguru.com
/html/mgs/2004-03/msg00728.html (7,823 bytes)

17. Re: Oil Pressure Question (score: 1)
Author: Barrie Robinson <barrier@bconnex.net>
Date: Tue, 30 Mar 2004 09:25:35 -0800
Is not oil necessary to do two things? One, to allow the surfaces to slip over each other to reduce wear and friction. Two, to reduce the temperature on a local basis. The latter because it would be
/html/mgs/2004-03/msg00748.html (8,596 bytes)

18. oil pressure question (score: 1)
Author: John Steczkowski <stecz@pswtech.com>
Date: Thu, 09 Apr 1998 14:54:26 -0500
I have a '75 MGB (no oil cooler, no electric cooling fan). I just drove it a relatively long distance (55 miles at 75 mph or so) in one sitting and I noticed towards the end of that run, the temp gau
/html/mgs/1998-04/msg00373.html (8,155 bytes)

19. Re: oil pressure question (score: 1)
Author: mgbob@juno.com (ROBERT G. HOWARD)
Date: Thu, 09 Apr 1998 16:49:06 EDT
Hi John, Do you have a lot of miles on that engine? My 75 got driven a lot on the highway in Florida, and its pressure stayed right up there at highway speeds. It would be lower at idle for the first
/html/mgs/1998-04/msg00383.html (9,170 bytes)

20. Re: oil pressure question (score: 1)
Author: Patrick Bailey <pbailey@qnet.com>
Date: Thu, 09 Apr 1998 21:41:50 -0700
How hard are they to change?Can they be changed in the car or do you have to pull the engine? Will they give you warning before they go?Would it also be a good idea to change the oil pump too? My b
/html/mgs/1998-04/msg00388.html (7,632 bytes)


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