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Post Info TOPIC: Vertical Links


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Vertical Links


Has anyone explored the possibility of using Reliant Scimitar vertical links? Basically the same design. I happen to have a few of them lying around but havn't got round to checking the various dimensions against one another.



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I think there TR6 aren't they?



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Well, Nigel, yes and no. The first Reliant to use them was the Coupe introduced in 1964 which, in turn, was based on a proposed replacement for the Daimler SP250 (Dart). Some 4 years before the TR6. In the early '70s, the Scimitar GTE Se5a (having replaced the Coupe) intoduced a vertical link that took a stronger stub axle which was probably the same as the TR6 one.

It was some information I heard about some TR3 owners looking to replace the original vertical link with the later Scimitar one to take advantage of this stronger (i.e. larger diameter) stub axle that prompted the question. It may well be that this idea only has relevance to those choosing to race their cars but I wondered if it might also have some - camber which would also be advantageous. I imagine that using them would require the hubs being machined to take the larger diameter bearings but that shouldn't be too difficult.

The other advantage is that there are lots of old Scimitars lying around which could provide an ample source of spares.

Just a thought.

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if you're trying to get get camber angle then I think Revington's do an adjustable top bar?

If you're trying to get castor angle then that's a whole different game.

the TR2-3 didn't have any castor angle either in the chassis or the suspension, the Peerless did! this was

because cleaver old Bernie built it into the chassis so he could use standard TR suspension and gain castor. That's why your chassis kicks up (effectively)from the A posts forward.

If you fit TR6, which has castor built into the actual suspension then you will, in affect double your castor angle and find it even more difficult to turn the steering...in fact you may see

the front of the car rise slightly if you did this whilst parked!

I have built a weird concoction of both these so I now have a TR6 lower bolt so I can slide the bolt out to remove the trunnion (instead of stripping the while thing down ala TR3)

equal TR4-6 top arms so I can use the far better designed top ball joint and then new up-rated hubs and stubs with equal bearing diameters (inner and outer) to reduce pad

knock off....all seems to work well.



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Neither, to be honest, Nigel. My intention was to rebuild the front suspension as per the original. However, one of the vertical links 'may' have a slight bend on the threaded section that goes into the trunnion. It's in my local engineers for checking. If it turns out to be scrap, I'll probably just buy another standard one. I was just really considering alternatives but, on reflection, that particular option would inolve too much effort. I'm now just not sure if I should bite the bullet and buy two new links (along with two new stub axles).

It all adds up two a few hundred I wasn't planning on spending and could have used elsewhere.

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if I were to put new money into any area of the front suspension I would probably spend it on upright links and trunnion's as the loading/wear is a lot and they are heading for 60 years old

BP front sus upgrade.JPG

 

You can see the oversized stub axle and the later top ball joint. the stub axle just fits directly into the old/new upright link.

if you go for the better (in my opinion) TR4-6 top ball joint then you will need to get four matching top arms.

this pic shows the standard TR top arms but for a Peerless you will need four of the bottom image...and sell the top ones on.......

BP top arms.JPG

No TR's were hurt in the making of these pictures



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Yes, and exactly the same as the Scimitar ones of which I have a number.

I'm still waiting on the assessment of my vertical links from Agra Engineering. If one happens to be duff, I'll certainly be buying a new pair. If they're ok, they'll be going back on the car but may be swapped out in later years. I'd rather get the car on the road than pour money into areas that don't necessarily need improving at the moment.

New trunnions are in at Agra along with the lower wishbones (fitted with new steel bushes) which are being reamed to suite the trunnions.

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