SE6 suspension query

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stevey
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SE6 suspension query

Post by stevey » Wed Dec 06, 2017 4:57 pm

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Your help would be appreciated I am trying to rebuild a 1979 SE6 and I was offered a far better condition front suspension than mine. It went together well until I attempted to fit the shock absorber. I am converting from a power steering to manual set up but as you can see the shock absorber has a lean rear wards and the coil spring fouls the upper wishbone mount. I am a bit lost, any experts got any ideas?
Thanks
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philhoward
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SE6 suspension query

Post by philhoward » Wed Dec 06, 2017 5:02 pm

Touching, or can't fit it because of the collision?

You might find that when the suspension is loaded, that will swing the coil/damper unit away from it.

Also - are the shims fitted because that's what was there before, or have you measured the camber angle based on the normal ride height?


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SE6 suspension query

Post by philhoward » Wed Dec 06, 2017 5:03 pm

"Standard" ride height bar dimensions here: viewtopic.php?f=1&t=35961&p=415641&hili ... ar#p415641


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SE6 suspension query

Post by rebel alliance » Wed Dec 06, 2017 5:03 pm

Correct trunnion ?



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Roger Pennington
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SE6 suspension query

Post by Roger Pennington » Wed Dec 06, 2017 5:05 pm

Have you altered the lower wishbone mounting brackets?

I'm assuming it must be the correct trunnion, as I think it's unlikely you could get a PAS one in without extreme force?


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SE6 suspension query

Post by stevey » Wed Dec 06, 2017 5:34 pm

The trunnions are in good order but came from a PAS set up, what is the difference between Pas and manual steering trunnions?



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SE6 suspension query

Post by philhoward » Wed Dec 06, 2017 5:35 pm

About 8 degrees of angle...


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SE6 suspension query

Post by stevey » Wed Dec 06, 2017 5:36 pm

Feck! I think I have my answer! Are those shims in the correct place in relation to the mount an plate?



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SE6 suspension query

Post by peter freeman » Wed Dec 06, 2017 5:47 pm

Roger Pennington wrote:
Wed Dec 06, 2017 5:05 pm
Have you altered the lower wishbone mounting brackets?
From the photo it does not look like the right brackets Roger. Stevey they are also sided so make sure you get the right ones on the right side - all four need to be replaced.



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SE6 suspension query

Post by Roger Pennington » Wed Dec 06, 2017 5:47 pm

I'm amazed that you managed to assemble it with a PAS trunnion! :shock: You must have had to really heave on the upright to make up the 8 deg missalignment at the top?

That still doesn't answer the point about the lower wishbone brackets - if you haven't changed them from the PAS setup, then the lower wishbones will be wrong.


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Roger Pennington
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SE6 suspension query

Post by Roger Pennington » Wed Dec 06, 2017 5:50 pm

peter freeman wrote:
Wed Dec 06, 2017 5:47 pm
Roger Pennington wrote:
Wed Dec 06, 2017 5:05 pm
Have you altered the lower wishbone mounting brackets?
From the photo it does not look like the right brackets Roger. Stevey they are also sided so make sure you get the right ones on the right side - all four need to be replaced.
Yes, I didn't think they looked right either, though it's difficult to be absolutely sure from a photo - I asked the question to confirm my suspicions.... :wink:


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SE6 suspension query

Post by peter freeman » Wed Dec 06, 2017 5:57 pm

From this picture you can see that the bracket bolts are off centre - the manual steering has them at centre. You can also just see the angle of the trunnions -
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with the manual they are not angled.



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Roger Pennington
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SE6 suspension query

Post by Roger Pennington » Wed Dec 06, 2017 6:06 pm

peter freeman wrote:
Wed Dec 06, 2017 5:57 pm
From this picture you can see that the bracket bolts are off centre - the manual steering has them at centre.
Not correct, Peter, - the Manual and PAS systems use the same brackets, but they need to be assembled on opposite sides of the car, so that the offset is towards the front on a manual car, and towards the rear on a PAS car

(brackets with the bolts centred are a 5/5a thing)


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SE6 suspension query

Post by peter freeman » Wed Dec 06, 2017 6:08 pm

Yes you are right - it looks like a 5 bracket fitted hence my error without thinking properly.



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SE6 suspension query

Post by scimjim » Wed Dec 06, 2017 6:11 pm

They do look a bit like 5/5a brackets fitted?


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