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Jun 14th, 2026
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Joined: Jun 2015
Posts: 76
Just Getting Started
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OP
Just Getting Started
Joined: Jun 2015
Posts: 76 |
In November I purchased a 1973 Plus 8 that had, in period, a set of 6" wire wheels (as on 289 AC Cobra) installed. There is some thought that to accomplish this the Plus 4 wheel assemblies may have been used. Apparently the early Plus 8 rotors were thicker than Plus 4 rotors. Can anyone confirm this, and if so, can anyone tell me the actual thicknesses of either or both? Thanks in advance for any info.
Tom Morris
1972 Plus 8
1932 Super Sport "Beetleback"
1961 Morris Minor Tourer
1972 Triumph T120V
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Joined: Jul 2007
Posts: 27,809 Likes: 749
Member of the Inner Circle
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Member of the Inner Circle
Joined: Jul 2007
Posts: 27,809 Likes: 749 |
JohnV6
2022 CX Plus Four
2025 Renault Scenic Alpine etech "Yvette"
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Joined: Sep 2014
Posts: 2,272 Likes: 7
Talk Morgan Expert
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Talk Morgan Expert
Joined: Sep 2014
Posts: 2,272 Likes: 7 |
Tom
Most of the data you need is in the article above as recommended by JohnV6.
Many +4s (especially the racers) upgrade the brakes by fitting the +8 calipers (which entails changing the caliper mounting bracket I seem to remember) which is an improvement. Also experiment with brake pads. The +4 brakes are good and using a fade resistant pad will to some extent compensate for the extra weight of the +8.
If you want to revert to standard +8 parts it could be an expensive journey, using the items from the later wire-wheeled cars. Your system can be made to work well as long as you are not expecting race performance.
Andy G
1999 +8 , Indigo Blue.
Ex-John McKecknie/Mike Duncan 1955 +4 racer.
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Joined: Apr 2014
Posts: 5,182 Likes: 2
Charter Member
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Charter Member
Joined: Apr 2014
Posts: 5,182 Likes: 2 |
The early 69 +8 I had was fitted with escort Mexico/Capri calipers and rotors. Never had a problem with them ,even in hard use.
.+8 Now gone for a 1800 4/4. Duratec in bright yellow.
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Joined: May 2015
Posts: 110
L - Learner Plates On
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L - Learner Plates On
Joined: May 2015
Posts: 110 |
Interesting Ray,
how did you you manage to modify the Ford rotors to fit?
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Joined: Apr 2014
Posts: 5,182 Likes: 2
Charter Member
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Charter Member
Joined: Apr 2014
Posts: 5,182 Likes: 2 |
Interesting Ray,
how did you you manage to modify the Ford rotors to fit? . They were on the car from new.
.+8 Now gone for a 1800 4/4. Duratec in bright yellow.
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