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Author Topic: Mv8 project. Steering rack no go...  (Read 9575 times)

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chrisgixer

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Re: Mv8 project. Steering rack no go...
« Reply #90 on: 09 August 2014, 01:21:38 »

There's a further interference from the rack, in that the pinion gear housing is very close to the starter motor. I'm presuming that unequal length track rods , via the adjustors, will allow me to move the rack nearer the drivers wing, to give clearance, without any detrimental effects...?
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05omegav6

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Re: Mv8 project. Steering rack no go...
« Reply #91 on: 09 August 2014, 01:36:37 »

Might need to watch the effects on the steering lock, as anything coming up on the outside of the chassis rail might foul them, whereas a more direct line might not :-\

Not sure about uneven lengths though, might cause an issue with geometry :-\
« Last Edit: 09 August 2014, 01:48:22 by Taxi Al »
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chrisgixer

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Re: Mv8 project. Steering rack no go...
« Reply #92 on: 09 August 2014, 01:39:17 »

Now you're getting somewhere :y

I did wonder about obtaining a left hand drive steering idler and bracket to fit in place of the box and clamp a fitting to the tie rod. This could then receive a rose joint connected to a hydraulic ram, tother end of which could be mounted to the subframe. (Not sure of the legality of this though as I believe there must be a mechanical connection between the wheels and the steering wheel, although the Citroen CX had such a system). A remote pump could then be fitted directly to the steering column, which neatly solves the packaging issue with the steering shaft/exhaust, and does away with the power steering gubbins too...

That said a short rack could just as easily attach to the tie rod... could be a nice compact solution, whilst maintaining the Omega geometry :y

Actually, thinking further, the example in that pic would be much easier to weld 40mm risers onto the black bit and or attach the ball joints wherever the hell to want. No need to touch rack ends at all.

Although the added width(of the body and black bit with ball joints) might add a few niggles, but solves more than it causes all things considered. Might be able to add the black bit to the rack I have, and weld up a cradle.



Thinking further again, as Al said about keeping the original geometry, made me think, attach the black bit to the oe centre tie rod with a couple of u clamps....? :)
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05omegav6

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Re: Mv8 project. Steering rack no go...
« Reply #93 on: 09 August 2014, 01:49:09 »

Houston, we have a solution :y
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05omegav6

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Re: Mv8 project. Steering rack no go...
« Reply #94 on: 09 August 2014, 02:59:11 »

Rack could even attach to the tie rod where the idler/drop arm mount, only need a short rack then... Summat from a Pug 106 perhaps, barely a foot long iirc :-\
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05omegav6

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Re: Mv8 project. Steering rack no go...
« Reply #95 on: 09 August 2014, 14:11:26 »

Rack could even attach to the tie rod where the idler/drop arm mount, only need a short rack then... Summat from a Pug 106 perhaps, barely a foot long iirc :-\
This gives you an idea of the layout of one...

http://www.ebay.co.uk/itm/Citroen-Saxo-1-1-Steering-Rack-Peugeot-106-Non-PAS-rally-/141371943541?_trksid=p2054897.l5672

This shows a clearer pic of where the track rods attach to the rack... the flat bar with two holes.

Plenty of scope for attaching it to the tie bar :y
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Gaffers

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Re: Mv8 project. Steering rack no go...
« Reply #96 on: 14 August 2014, 08:25:17 »

And here is man in a tie to demonstrate this:

« Last Edit: 14 August 2014, 08:29:14 by Monsieur Guffer »
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05omegav6

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Re: Mv8 project. Steering rack no go...
« Reply #97 on: 14 August 2014, 08:26:49 »

Oh dear, the picture is broken... never mind ;D
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Gaffers

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Re: Mv8 project. Steering rack no go...
« Reply #98 on: 14 August 2014, 08:34:07 »

Oh dear, the picture is broken... never mind ;D

Proxy dropbox  >:(

Sorted now :y
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05omegav6

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Re: Mv8 project. Steering rack no go...
« Reply #99 on: 14 August 2014, 08:35:53 »

Bugger  ;D
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Gaffers

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Re: Mv8 project. Steering rack no go...
« Reply #100 on: 14 August 2014, 09:02:08 »

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05omegav6

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Re: Mv8 project. Steering rack no go...
« Reply #101 on: 14 August 2014, 09:27:55 »

True enough, look at Ton E Bliar ::)
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chrisgixer

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Re: Mv8 project. Steering rack no go...
« Reply #102 on: 15 August 2014, 23:48:10 »

Will a pass pump for a box, work with a rack?  Does it mater? Will there be more or less flow etc....?
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05omegav6

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Re: Mv8 project. Steering rack no go...
« Reply #103 on: 16 August 2014, 01:18:48 »

Racks and boxes both have pressure relief valves so should be fine... Incidentally the Pug rack I suggested has electric power steering, so pump can literally be anywhere. Might help with overall packaging...
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andyc

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Re: Mv8 project. Steering rack no go...
« Reply #104 on: 31 August 2014, 23:10:44 »

Had a look a a HSV Commodore at a local car show, any reason why a Commodore rack can be used?

Andy
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Iceni Automotive. Classic Vauxhall/Opel Specialist. Service, Repairs, Restoration
Thetford. Norfolk
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