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Joined: Jun 2015
Posts: 76
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Just Getting Started
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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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JohnV6
2022 CX Plus Four
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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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Ray Offline
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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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L - Learner Plates On
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Interesting Ray,
how did you you manage to modify the Ford rotors to fit?

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Ray Offline
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Originally Posted By Horror
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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