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KugaWestie

Cobra 427 Build

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KugaWestie

Thanks @corsechris

Yes the rear lower brace is still to be fitted, I will put it on when I torque up

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corsechris

Ah, thought I'd seen one ;)  Just too lazy to go back through the thread :( 

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KugaWestie
On 17/09/2018 at 17:27, corsechris said:

Ah, thought I'd seen one ;)  Just too lazy to go back through the thread :( 

It's been put back on there tonight :yes:

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KugaWestie

Grabbed an hour after work today, so put the coilovers on. Again, not torqued up.

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I did torque up the top diff mount bolts and lock wire them though

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KugaWestie

I think I am now at the point where I could pop the wheels on and have myself a rolling chassis!

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CL290005

looking good, this might be ready for the kit car show:d

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AdgeC

Great work Gary, be good to see a rolling chassis. A good milestone methinks.

Keep up the good work.

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KugaWestie

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KugaWestie

A bit of work on the brake pipes this evening at the front end

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Nearly done at the front. I need to weld a couple of brackets on and then measure up and order some flexible hoses.

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KugaWestie

I have been working on the steering over the last few days.

I was not happy with the difference in angle between the steering rack and the lower wishbone with the Jag track rod ends fitting into the steering arm from the bottom. 

So i contacted @Ben (bunje) and asked him to open out the tapered hole in the steering arm, then fit a tapered top hat bush into the steering arm to reverse the track rod end to fit from the top instead. This will et the steering rack much more parallel to the lower wishbone (by approx 80mm) which should hopefully eradicate any bump steer.

 

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KugaWestie
@Ben (bunje) did a great job, which meant today I could have a look at positioning the steering rack.

So I assembled the rack with the thread adaptors

 

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KugaWestie

I tack welded an angle iron in place across the chassis to house the rack

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KugaWestie

And then fitted the rack, again everything is loose at present

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Here you can see the angles of the lower wishbone and the rack. If it had been fitted as standard the trackrod end would have gone into the arm from below, which would have massively increased the andgle of the steering rack from the gaiter.

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corsechris

Hi Gary,  I hate to be “that guy” again, but to be fair, I do seem to have a gift for it :blush:.......but did you measure the bumpsteer before making the changes (or was it a well known issue with that chassis)?  Having had a kit with shocking bump steer designed in by the manufacturer, I certainly wouldn’t be surprised if this was a known issue though.

Your solution looks great, but looking right and being right doesn’t always follow with steering/ suspension geometry, you really do have to calculate it then just meausure it once you have it built. Tiny changes can have a big impact, so if you can, it’s a good idea to allow for some adjustment in the vertical location of the rack and track rod ends.

As always, forgive me sticking my oar in if you have all this in hand :blush:

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Ben (bunje)

all looks good as usual Gary. keep up the good work

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