dave r
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| posted on 13/11/09 at 08:45 PM |
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sierra upright geometry
whats wrong with it ? i know the cortina is supposed to be better suited...
dave
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loggyboy
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| posted on 13/11/09 at 11:03 PM |
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Raw recommended Capri to me... would be interested in peoples views too.
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Chippy
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| posted on 13/11/09 at 11:22 PM |
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Not absolutely sure, but I believe that the Sierra upright has better geometry than the Cortina, I think that the KPI is better. Sure somebody will
rush to correct me if I'm wrong.  Cheers Ray
To make a car go faster, just add lightness. Colin Chapman - OR - fit a bigger engine. Chippy
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britishtrident
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| posted on 14/11/09 at 07:23 PM |
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Yes on the Sierra upright the KPI can be altered --
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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mad-butcher
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| posted on 15/11/09 at 02:17 PM |
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depends in what context you mean what's wrong with it, on a sierra nothing wrong at all, on early robin hoods that used the sierra damper again
I believe nothing wrong. if you mean on a lococost style 7, the problem is with the placement of the top brackets not giving the correct angle of the
upright. hence the use of adjustable mushrooms and the likes of wozshers top wishbones. to be honest I've never measured the angle on a sierra
and then compared it with my MK
tony
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dave r
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| posted on 16/11/09 at 05:38 PM |
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the main bit i dont understand, is the strut hole to bottom bj hole does not center thru the hub center... so surely when you put the car on lock, it
loads up the outer wheel ?
i agree with the fact i can alter the kpi, and scrub angles, with where i put the top joint... its the offset of the hub that worries me more
dave
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StevieB
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| posted on 16/11/09 at 05:38 PM |
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As Britishtrident said, you can alter the KPI, so with a set of Wozsher wishbones (allowing you to adjust the castor by shimming the w/b fore or aft),
it would make the front end of the car about as adjustable as it could ever be.
The only problem to me is the weight - there's no lightweight replacement (that I'm aware of). I'm fairly sure that a few well
placed holes and removing some material would be possible, but I'm not going to be the first person to try it and fail at speed...
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mad-butcher
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| posted on 16/11/09 at 06:27 PM |
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dave
I've often wondered that myself, so I'm curious to see what the replies are.
must admit the MK always handled well but since I fitted wozshers wishbones it feels so much more responsive.
tony
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dave r
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| posted on 16/11/09 at 08:48 PM |
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i havent a choice on bones, they will be my own, as its not a book chassis...
just want to only make them the once!!
dave
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mad-butcher
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| posted on 17/11/09 at 08:40 AM |
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That being the case use rose joints on the top and bottom that will give you scope to move the top ones back and the bottom one forward to get it
perfect.
do a search for wozshers wishbones, I think theres some in the traders for sale section and I've also posted some in the MK section I would also
make them camber adjustable
tony
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