adurling
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| posted on 13/4/06 at 10:27 PM |
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GTS Front Wishbones
I'm going to have a go at knocking up my own front wishbones tomorrow. My chassis is based on the GTS drawings, and I'm using Sierra
uprights.
As I understand it, I should follow the book design, extending the top wishbone by 50mm and the bottom by 86mm. It this the whole story? Is there
anything else I should consider?
Thanks for your help.
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James
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| posted on 14/4/06 at 12:02 AM |
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Those figures sound wrong to me...
The bottom should be 2" ie. 50mm shouldn't it? That's 2" each side! For a total of 4" wider track.
The top should be less than 50mm as (I think!) the Sierra top ball-joint is set in-board relative to the Cortina.
HTH,
James
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"The fight is won or lost far away from witnesses, behind the lines, in the gym and out there on the road, long before I dance under those lights."
- Muhammad Ali
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flak monkey
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| posted on 14/4/06 at 09:12 AM |
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I know that cortina uprights give 36mm more track than sierra uprights if put on the same length wishbones if thats any help. Well so I have been told
anyway.
David
Sera
http://www.motosera.com
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Mr G
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| posted on 14/4/06 at 12:54 PM |
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You'll want to move the top draglink tube of the top wishbone back (towards the chassis) 20 - 25mm to compensate for the strut hole being inbound
more than the cortina. If you don't you'll struggle to get even neutral camber with the balljoint fully wound in.
Movement is supposedly more limited on the transit draglink balljoint compared to using a trackrod end balljoint and so the norm is to kick the
toptube 'up' to stop binding in full compression etc.
 
front OS wishbone 3
I'd recommend mushroom inserts WITHOUT and offset hole.
[Edited on 14/4/06 by Mr G]
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