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Jun 14th, 2026
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Joined: May 2012
Posts: 1,796 Likes: 5
OP
Talk Morgan Enthusiast
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M3W bevel box
Here are some images I took after warming it up prior to changing the oil.
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Joined: Oct 2012
Posts: 6,538
Talk Morgan Sage
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Talk Morgan Sage
Joined: Oct 2012
Posts: 6,538 |
Excellent response Peter - well done!!
Do not mess with PD!!
Neil
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Joined: May 2012
Posts: 1,796 Likes: 5
Talk Morgan Enthusiast
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OP
Talk Morgan Enthusiast
Joined: May 2012
Posts: 1,796 Likes: 5 |
That temp. was measured after 5-6 minutes in 2nd gear on tick over with the car on stands.
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Joined: Jun 2013
Posts: 1,461
Has a lot to Say!
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Has a lot to Say!
Joined: Jun 2013
Posts: 1,461 |
That temp. was measured after 5-6 minutes in 2nd gear on tick over with the car on stands. Blimey! I suppose the temperature drops somewhat when moving along the road, but even so...
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Joined: May 2012
Posts: 1,796 Likes: 5
Talk Morgan Enthusiast
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OP
Talk Morgan Enthusiast
Joined: May 2012
Posts: 1,796 Likes: 5 |
I dread to think what it would be after 100 miles on the motorway on a hot summers day.
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Joined: Jan 2013
Posts: 472
Learner Plates Off!
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Learner Plates Off!
Joined: Jan 2013
Posts: 472 |
Hi, I heard about a gear box overheating problem on oil rigs in the North sea many years ago (decades actually...).
When drilling very deep the gear boxes could get overheated before the drill was used to it's full length. To avoid the cost of stopping drilling and not use the full length of the drill they used an additive to the gearbox oil. It lowered the temperature enough to finish drilling. The additive was called Prolong, and I use it in all my cars. I have no connection with the company but am a very satisfied customer. Hope I'm not breaking any rules here...
-99 4/4, 1.8 Zetec, Indigo Blue, 2-seat, Suplex RS
-04 Citroen Pluriel, 1.6 Sensodrive, Met Orange
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Joined: Jun 2013
Posts: 1,461
Has a lot to Say!
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Has a lot to Say!
Joined: Jun 2013
Posts: 1,461 |
Hi, I heard about a gear box overheating problem on oil rigs in the North sea many years ago (decades actually...).
When drilling very deep the gear boxes could get overheated before the drill was used to it's full length. To avoid the cost of stopping drilling and not use the full length of the drill they used an additive to the gearbox oil. It lowered the temperature enough to finish drilling. The additive was called Prolong, and I use it in all my cars. I have no connection with the company but am a very satisfied customer. Hope I'm not breaking any rules here... And I hope that is not the additive that the MMC used for a while!
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Joined: Jan 2013
Posts: 472
Learner Plates Off!
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Learner Plates Off!
Joined: Jan 2013
Posts: 472 |
I'm not easily or usually impressed by additives in general but the testimony of an oil rig engineer persuaded me that this one was different. Later my personal experiences has proved him right.
-99 4/4, 1.8 Zetec, Indigo Blue, 2-seat, Suplex RS
-04 Citroen Pluriel, 1.6 Sensodrive, Met Orange
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Joined: Oct 2012
Posts: 2,822 Likes: 155
Talk Morgan Expert
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Talk Morgan Expert
Joined: Oct 2012
Posts: 2,822 Likes: 155 |
Does anyone know what the additive was that MMC (or Quaife??) put into the early bevel boxes?
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Joined: Jun 2013
Posts: 1,461
Has a lot to Say!
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Has a lot to Say!
Joined: Jun 2013
Posts: 1,461 |
Does anyone know what the additive was that MMC (or Quaife??) put into the early bevel boxes? That is a very good question! It seems from my correspondence with Quaife in July 2014 that the dodgy substance, whatever it was, was installed at the factory without consulting Quaife. The MMC did not wish to discuss it at the time and I strongly doubt that there has been a policy change on that! There must be several people connected with the factory who know the answer.
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Joined: Oct 2012
Posts: 2,822 Likes: 155
Talk Morgan Expert
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Talk Morgan Expert
Joined: Oct 2012
Posts: 2,822 Likes: 155 |
Does anyone know what the additive was that MMC (or Quaife??) put into the early bevel boxes? That is a very good question! It seems from my correspondence with Quaife in July 2014 that the dodgy substance, whatever it was, was installed at the factory without consulting Quaife. The MMC did not wish to discuss it at the time and I strongly doubt that there has been a policy change on that! There must be several people connected with the factory who know the answer. Had a feeling that might be the answer!  Perhaps we need someone undercover at the factory? 
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