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Aug 24th, 2023
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Joined: Jan 2014
Posts: 27
Just Getting Started
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OP
Just Getting Started
Joined: Jan 2014
Posts: 27 |
Hi,
I was wondering if anybody knows of the existence of a spare set of Bevel Pinion Mate gears for a 3HA diff (new or used). - The 7HA ones don't fit.
I pulled my diff down as a precaution as it hadn't run for 40 years when I adopted my Morgan, and one of the pinion mates was missing a tooth. - Actually I found the remains of 3 teeth in the housing so I think they were reproducing themselves in the diff oil due to boredom.....
Any advise or help greatly appreciated.
Cheers,
David.
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Joined: Dec 2009
Posts: 35,778 Likes: 468
Tricky Dicky Member of the Inner Circle
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Tricky Dicky Member of the Inner Circle
Joined: Dec 2009
Posts: 35,778 Likes: 468 |
This a link from the Gomog website to a company that do rebuilds and have spares so they should have lots of contacts - maybe worth an email. http://www.jb-engineering.co.uk/Good luck.
2009 4/4 Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Connaught Green +8 prev
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Joined: Jan 2014
Posts: 27
Just Getting Started
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OP
Just Getting Started
Joined: Jan 2014
Posts: 27 |
Thanks Richard.
I already tried JB Sports Engineering. Billy Bellinger hasn't got any 3HA bits but he will keep any eye out with his contacts.
I'm still searching elsewhere. Last night I came up with a possible option for a 4 Star replacement center or an LSD that will fit. The 4 star center is "unbreakable" but both options come at a hefty price.
Considering the fact that there was 3 broken teeth in the diff housing when I pulled it apart and the there was only one pinon mate gear tooth missing, it must have been an ongoing problem.
Cheers,
David.
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Joined: Dec 2009
Posts: 35,778 Likes: 468
Tricky Dicky Member of the Inner Circle
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Tricky Dicky Member of the Inner Circle
Joined: Dec 2009
Posts: 35,778 Likes: 468 |
David, Sorry to hear that JB didn't have any bits for you. I found another link in the States who charge $1,800 for a rebuilt axle but don't seem to have any other spare bits in stock at present. http://www.morgan-spares.com/plusfour/rearaxle.htmlI guess the perfect solution would be a written off car or one that had rotted out, not very likely I guess where you are. It must have had a major happening to create that much damage to the axle at some stage. Good hunting.
2009 4/4 Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Connaught Green +8 prev
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Joined: Jan 2014
Posts: 27
Just Getting Started
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OP
Just Getting Started
Joined: Jan 2014
Posts: 27 |
Just an update.
I managed to find a complete set of new old stock 7HA Pinion Mate and Side Gears and they fit the 3HA carrier perfectly. You cannot match the 3HA side gears with 7HA Pinion mates or the other way around because of the different gear profiles.
Cheers,
David.
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Joined: Jan 2012
Posts: 14,976 Likes: 1
Member of the Inner Circle
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Member of the Inner Circle
Joined: Jan 2012
Posts: 14,976 Likes: 1 |
Richard
1976 4/4 4 Seater
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Joined: Dec 2008
Posts: 21,868 Likes: 167
Roadster Guru Member of the Inner Circle
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Roadster Guru Member of the Inner Circle
Joined: Dec 2008
Posts: 21,868 Likes: 167 |
That's great news and a huge achievement, given how hard this stuff is to track down.
DaveW
'05 Red Roadster S1
'16 Yellow (Not the only) Narrow AR GDI Plus 4
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Joined: Dec 2009
Posts: 35,778 Likes: 468
Tricky Dicky Member of the Inner Circle
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Tricky Dicky Member of the Inner Circle
Joined: Dec 2009
Posts: 35,778 Likes: 468 |
Well done ozziemog - that's just the best news good luck with the oily rag bits  . p.s. Thanks for the update.
2009 4/4 Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Connaught Green +8 prev
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