nnrouty
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| posted on 20/8/10 at 02:30 PM |
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Haynes Roadster Uprights
Hi everyone
Little while ago i got some cortina uprights given to me from my uncle which he had spare from his locost he built a few years ago.
I have now got to wondering weather the front suspension based on the Ron Champion book (which my uncle built) is the same as the Haynes roadster
which i am building?
Soooo, can anyone tell me if I can use the Cortina Uprights on the Haynes roadster?
As long as its fast.... i don't care
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Bluemoon
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| posted on 20/8/10 at 02:33 PM |
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No, without changing the design..
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nnrouty
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| posted on 20/8/10 at 02:35 PM |
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OK. so whats the difference between the two?
As long as its fast.... i don't care
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Miks15
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| posted on 20/8/10 at 02:45 PM |
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the ron champion book was designed for cortina uprights, the hayn es roadster was designed for sierra uprights,
Geometry is quite different
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nnrouty
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| posted on 20/8/10 at 02:50 PM |
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I have not yet made up my wishbones and was planning to fit the suspension brackets this weekend.
Is it possible for me to adapt the design in anyway?
If so what is required and what are the implications?
As long as its fast.... i don't care
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londonsean69
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| posted on 20/8/10 at 03:07 PM |
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They have different geometry.
You might get some other answers over on the Haynes forum. The author of the book is a member and posts regularly
Cheers
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Sean
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TimC
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| posted on 20/8/10 at 03:13 PM |
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If you sold the Cotina uprights and bought Sierra you'd definitely make a profit, even after buying mushroom adapters.
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nnrouty
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| posted on 20/8/10 at 03:13 PM |
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Thanks will post there.
As long as its fast.... i don't care
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Danozeman
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| posted on 20/8/10 at 03:21 PM |
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Are the differences not just the wishbone length then?
Dan
Built the purple peril!! Let the modifications begin!!
http://www.eastangliankitcars.co.uk
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nnrouty
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| posted on 20/8/10 at 03:28 PM |
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Yes.
After doing a search for cortina uprights on the haynes forum i found this..... (for future reference)
http://www.haynes.co.uk/forums/showthread.php?t=2487&highlight=cortina+uprights
As long as its fast.... i don't care
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James
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| posted on 21/8/10 at 04:28 PM |
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As I think you've surmised the top wishbone will definately be different. (Shorter if you use Cortina).
As for the bottom wishbone, it'll need to be different only by the amount the distance between bottom BJ centre and hub face is different
between uprights.
So, if the distance between bottom BJ centre and hub face is greater on Cortina than Sierra (as I suspect) then the wishbones will need to be shorter
by that amount.
If the Sierra BJ centre to hub is greater than Cortina then the wishbone will need to be longer.
Having said all that it looks like you can get away with only changing the top wishbone.
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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