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Wales
by Joske Vermeule, September 1
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Jun 14th, 2026
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Joined: Dec 2008
Posts: 22,366 Likes: 354
Roadster Guru Member of the Inner Circle
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Roadster Guru Member of the Inner Circle
Joined: Dec 2008
Posts: 22,366 Likes: 354 |
The Roadsters shouldn't have rubbing issues because they have less wheel inset (wires) than the 4/4.
Having said that my current car has a very tight clearance whereas the previous Morgan to identical spec had no issues. I've ovalled the reaction bars at the bottom to gain a couple of mm.
DaveW
'05 Red Roadster S1
'16 Yellow (Not the only) Narrow AR GDI Plus 4
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Joined: Dec 2011
Posts: 486
Learner Plates Off!
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Learner Plates Off!
Joined: Dec 2011
Posts: 486 |
Hi All
I tend to fit them below the the Spherical washer, as that is where they where designed to fit on a flat top King pin before domed top kingpins and spherical washers which are fitted to later Morgans.
Note
I have Had one Spherical Washer (concave part) explode on tightening the Oiler Bolt it dented the wall!.
Tyres rubbing Brake reaction bars are not a problem its only on a tight tern usually when parking.
Cain
Wolf Cafe Racer
4/4 Sport
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Joined: Jun 2015
Posts: 2,093 Likes: 74
Talk Morgan Expert
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Talk Morgan Expert
Joined: Jun 2015
Posts: 2,093 Likes: 74 |
Hi All
Note
I have Had one Spherical Washer (concave part) explode on tightening the Oiler Bolt it dented the wall!.
. That does not sound good. How many people are driving round with the washer about to fail? Each to their own, but unless you are up for track days or are into extremely spirited road driving with hard braking at the last moment, I really cannot see the point in brake reaction bars. Drilling holes in the chassis, bars rubbing the tyres, now the risk of fastenings exploding... Maybe they are popular because they are cheap and can be fitted as a DIY job to achieve an “upgrade”... End of rant!
Doug
2011 Plus 4 in Rich Maroon
1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900
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Joined: Jul 2011
Posts: 1,245 Likes: 30
Has a lot to Say!
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Has a lot to Say!
Joined: Jul 2011
Posts: 1,245 Likes: 30 |
Deejay my 4/4 felt “wobbly” just braking moderately. The reaction bars solved it. Recommend by a highly respected morgan garage.
4/4 Ivory 4.1:1 axle, Mercedes A200 AMG
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Joined: Apr 2008
Posts: 12,260 Likes: 319
Scruffy Oik Member of the Inner Circle
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Scruffy Oik Member of the Inner Circle
Joined: Apr 2008
Posts: 12,260 Likes: 319 |
That does not sound good. How many people are driving round with the washer about to fail?
Each to their own, but unless you are up for track days or are into extremely spirited road driving with hard braking at the last moment, I really cannot see the point in brake reaction bars. Drilling holes in the chassis, bars rubbing the tyres, now the risk of fastenings exploding...
I'm not sure that it's the brake reaction bar so much as tightening the oiler bolt that stresses the spherical washer, is it? once it's done, I can't see how the presence of the BRB would per se increase the risk of failure? I would agree that the brake reaction bars aren't necessary for normal driving, but I did find my car felt more secure when piling into corners under hard braking after I fitted mine. But as you say, chacun å son goût!
Tim H.
1986 4/4 VVTi Sport, 2002 LR Defender, 2022 Mini Cooper SE
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Joined: Feb 2016
Posts: 8,684 Likes: 413
Needs to Get Out More!
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Needs to Get Out More!
Joined: Feb 2016
Posts: 8,684 Likes: 413 |
I thoroughly greased my shaped/conical washers (one thick one thin from memory) before fitting. I made the point earlier in this thread that they need to fit directly under the oiler bolt to allow them to settle into their natural and correct position by the action of the bolts shoulder bearing on them as it's tightened. I suspect when this doesn't happen you can expect Cain's experience.
Again from memory, the two washers are flat on one side and taper in thickness on the other. The two tapered surfaces are placed against each other and settle into a combined position to take up the tiny angular difference between the upper surface of the upper suspension support (plus bracketry in between) and the oiler bolt shoulder when screwed into the matching kingpin thread.
Richard
2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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Joined: Jun 2014
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Wave & smile... It's a Morgan Member of the Inner Circle
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Wave & smile... It's a Morgan Member of the Inner Circle
Joined: Jun 2014
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What on earth is this?
A thoroughly interesting and technically fascinating Morgan improvement thread without any reference to Dominic Cummings or government bashing
Is this allowed Bob?
2008 XXVII Platform, Bugatti Blue Roadster 4 Seater
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Joined: Oct 2018
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L - Learner Plates On
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OP
L - Learner Plates On
Joined: Oct 2018
Posts: 122 |
Yes you're absolutely right - sorry Stewart. What was I thinking? Suitably admonished.... I'll get my coat 
2017 4/4 80th Anniversary
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Joined: Jul 2007
Posts: 27,816 Likes: 749
Member of the Inner Circle
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Member of the Inner Circle
Joined: Jul 2007
Posts: 27,816 Likes: 749 |
Send for Doctor Morgan. He went very quiet recently!
JohnV6
2022 CX Plus Four
2025 Renault Scenic Alpine etech "Yvette"
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Joined: Mar 2017
Posts: 2,274 Likes: 41
Talk Morgan Expert
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Talk Morgan Expert
Joined: Mar 2017
Posts: 2,274 Likes: 41 |
Deejay my 4/4 felt “wobbly” just braking moderately. The reaction bars solved it. Recommend by a highly respected morgan garage. +1 break reaction bars (with Panhard Rod) great handling improvement on my 4/4
Craig Jezz
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