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TR4/4A Front Suspension Vertical Link

Scotsman

Jedi Hopeful
Offline
Questions reg TR4A front suspension


1 How do you tell the left side vertical link from the one on the right side? The two on the project car I am working on are identical including the direction the trunnions threads on.


2 Did all the TR's from the 2 through 6 have the same vertical links, and if not how do you tell the difference? Is there a part number stamped on them that I can use to differentiate them. The Moss part numbers for all these model years are the same, but I have been told that Triumph beefed up these parts from the TR4A onwards. I am trying to find used parts and want to be sure I get the correct item for my 4A


3 Are any of the other front suspension parts left and right sided, or am I safe in just getting the correct link and trunnion and using the other parts I have.


Thanks


Richard
 

TR3driver

Great Pumpkin - R.I.P
Offline
Are you working on a 3A or 4A?

The vertical links changed when the 4A was introduced, I believe, along with the trunnions. IIRC they also became "handed" (TR2-4 VL were same side to side). The Moss website shows different part numbers for each side on 4A (both different than TR2-4).

Lower A-arms also changed at the same time. Upper A-arms changed sometime earlier, during TR4 run. The A-arms are not "handed" as such, but are different front & rear. Again, the Moss website shows the changes in part number.

Offhand I can't think of anything else in the suspension that is handed. Steering and brakes yes, but not suspension.
 

Popeye

Jedi Knight
Country flag
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On my 4A the vertical links and trunnions are handed. I can look tonight and see which one is which handed - attached is a photo of my disassembly; passenger side. If you squint, you can see the thread direction...

IMG_8228.jpg
 
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