Front Suspension and Brakes

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Front Suspension and Brakes

Post by Old and Slow » Fri Sep 16, 2016 11:42 am

660 XYB Sabre Six came with a handwritten list of suspension parts, referenced to Scimitars (probably fitted at some time by Iain Daniels); can anyone advise how to confirm the list is accurate (dimensions etc?) and where did Reliant originally source these parts (TR4? etc):
1. SE4 wishbones and uprights
2. SE6 Discs and Calipers
There's nothing wrong with the suspension, I just don't like not knowing.
More importantly as I think I ought to fit new parts before a brake fluid change, what pads are used with SE6 discs, can someone provide a description/dimensions to ensure I get the right replacement pads?
Is there any advantage in using exotic pad material (EBC?)?
Cheers,
Philip


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Re: Front Suspension and Brakes

Post by philhoward » Fri Sep 16, 2016 12:23 pm

There's a difference between SE6 pads (which are the same as 4a-5a ones I think) and SE6a-onwards - same for the discs.

If the calipers have 3 Pistons then they're 4a-6 ones; if there's 2 Pistons, then 6a/b

If 3 piston calipers the the discs should be TR6 - and likely the rest of the suspension will likely be as well.

If in doubt, get some pictures up?


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Re: Front Suspension and Brakes

Post by heathsabre » Fri Sep 16, 2016 8:30 pm

The Sabre Six front suspension parts, wishbones, uprights etc., are Triumph TR4 (3deg castor).

The discs, calipers and pads were also originally TR4.

Our Sabre Six has the Girling three-pot calipers, as fitted to later SE4, SE5 and the first SE6 Scimitars,and I believe to the Rover P6 V8. So Girling braked Scimitars are the pads to go for if you too have the three-pot calipers.


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Re: Front Suspension and Brakes

Post by Old and Slow » Mon Sep 19, 2016 6:06 pm

Thanks Tony, I have the TR4 manual and they certainly look like the TR4 wishbone illustrations. So, I assume the hand-written note is correct, if the SE4 Coupe uses TR4 bits too?
The TR4 Manual also shows 2-pot calipers; is it obvious by just looking, whether the calipers are 2- or 3-pot? Is there a code number on them somewhere or do they look totally different?
Perhaps I'll take a wheel off and post a picture, as Phil Howard suggests.
Philip


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Re: Front Suspension and Brakes

Post by philhoward » Mon Sep 19, 2016 9:13 pm

It's pretty obvious just by looking - the two halves of the caliper are different shapes ;) I think the 2 piston half is on the outside so likely to be visible through the wheel?


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Re: Front Suspension and Brakes

Post by Roger Pennington » Mon Sep 19, 2016 10:51 pm

philhoward wrote:It's pretty obvious just by looking - the two halves of the caliper are different shapes ;) I think the 2 piston half is on the outside so likely to be visible through the wheel?
I thought I might be able to answer the question by looking at my photos from Silverstone, but then I discovered that Philip has steel wheels..... It's possible you might be able to see enough through the holes though, with a torch?


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Re: Front Suspension and Brakes

Post by philhoward » Tue Sep 20, 2016 5:32 am

Ah - in that case it could be tricky..


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Re: Front Suspension and Brakes

Post by Oaksey » Tue Sep 20, 2016 12:35 pm

Unless I'm missing something, it'd be very easy due to the flip front on the Sabre?


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Re: Front Suspension and Brakes

Post by philhoward » Tue Sep 20, 2016 1:37 pm

Oaksey wrote:Unless I'm missing something, it'd be very easy due to the flip front on the Sabre?
:oops: Yes, it may well be..


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Re: Front Suspension and Brakes

Post by heathsabre » Tue Sep 20, 2016 1:52 pm

Here is a photo of the near side three pot caliper on our Sabre Six, taken with the wheel off.

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Re: Front Suspension and Brakes

Post by Roger Pennington » Tue Sep 20, 2016 2:33 pm

Oaksey wrote:Unless I'm missing something, it'd be very easy due to the flip front on the Sabre?
Stop introducing logic into these discussions! You're right, of course :lol:


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Re: Front Suspension and Brakes

Post by Old and Slow » Tue Sep 20, 2016 2:43 pm

Thanks everybody for your input.
A picture's worth a thousand words, so I've taken two.
Looking forward to comments, and finally a decision on what brakes are fitted.
Attachments
Suspension.jpg
Offside front suspension
Suspension.jpg (122.55 KiB) Viewed 2286 times
Caliper.jpg
Offside front caliper
Caliper.jpg (98.88 KiB) Viewed 2286 times


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Re: Front Suspension and Brakes

Post by Roger Pennington » Tue Sep 20, 2016 3:09 pm

Those look like Se6a Lockheed calipers to me - not what I was expecting to see!


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Re: Front Suspension and Brakes

Post by philhoward » Tue Sep 20, 2016 3:29 pm

I'll agree with Roger as he has 2 6a's ;)

Balljoints, trunnions and bushes should therefore be the same as a 5/a but it may have either set of hubs/wheel bearings though (as they changed at one point during 5a production).


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Re: Front Suspension and Brakes

Post by Old and Slow » Tue Sep 20, 2016 3:39 pm

Roger, do you have the dimensions for Lockheed 2-pot 6a pads? (Or perhaps the backplates and holes rather than the pads themselves!) As a final check before I buy some new ones.
Thanks,
Philip


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