Jump to content

Raceleda Uprights On L/w


Guest ScotMac

Recommended Posts

Guest marcatmnr
OK, i figured it out. Chalk it up to my inexperience w/ balljoints, and MNR messing up. The issue is, the Raceleda/MNR tapers are not made for the RH l/w balljoints. The taper for the top balljoint allows the balljoint to extend into the upright a *bit* too much, thus restricting the movement. The taper for the bottom balljoint is worse. I can understand MNR's tapers not fitting the top, since there is no stock top balljoint. But the bottom BJ is just sierra standard, which i verified w/ my old sierra uprights. Since this is supposed to be a "Sierra replacement upright kit", the tapers should match sierra balljoints!! I have sent off an email to Marc/MNR to see if he can get me the right taper inserts.

 

The interesting thing is that the taper for the bottom, though it doesn't at all work w/ the bottom BJ, works well for the top balljoint. ie, it is smaller than the one MNR said i should use for the top balljoint, and thus allows the necessary room.

 

Thus, i am swapping the bottom taper to the top, and am trying to get a taper for the bottom. I have talked to a machine shop, and they will machine two for about $200. Not too bad.

 

The angle will still not be great (the original issue i brought up), but i think w/ the better tapers, i will have enough travel to deal w/ it (hoping).

 

Thanks for the help everyone.

 

 

hi all marc at mnr here

we have not messed up as scott has put it, these uprights fit all cars that run the std config sierra upright with maxi balljoints lower and transit top, the reason people use the maxi lower is greater articluation and the need not to have a long strut top adapter that you guys have for some reason, i havent modellled it in my suspension priogramme but im pretty sure it will give some strange numbers on camber gain, roll centres etc

hope this helps clarify the situation and the reason we are no longer able to supply parts for robin hood cars as there are just too many anomolies to deal with

 

best regards

 

marc

Link to comment
Share on other sites

  • Replies 30
  • Created
  • Last Reply

Top Posters In This Topic

  • 2 weeks later...
Guest ScotMac
hi all marc at mnr here

we have not messed up as scott has put it, these uprights fit all cars that run the std config sierra upright with maxi balljoints lower and transit top, the reason people use the maxi lower is greater articluation and the need not to have a long strut top adapter that you guys have for some reason, i havent modellled it in my suspension priogramme but im pretty sure it will give some strange numbers on camber gain, roll centres etc

hope this helps clarify the situation and the reason we are no longer able to supply parts for robin hood cars as there are just too many anomolies to deal with

 

best regards

 

marc

 

Hmmm...i guess we could call it a misunderstanding...

 

The fact is, the uprights will NOT fit balljoints made for Sierra uprights, and i was buying a "Sierra Upright Replacement Kit", that was said to replace "any sierra based car". Quotes are what Marc posted when i bought the kit (see the advertisement below that Marc posted on locostbuilders).

 

Marc has now stated that the uprights will only fit cortina/maxi (both the same taper) balljoints, and replace the uprights on cars where the uprights have been modified to take cortina balljoints on the bottom (cortina is larger, and they just ream it out). However, the kit was not advertised as a "Modified Sierra Upright" replacement kit.

 

To be fair, Marc does *now* have the kit marked a bit more correctly on his new "www.locostsparts.net" site. Also, he says he will have some sleeves cnc'd, but w/ me footing the bill.

 

Surely Scott should be able to change to the Maxi Balljoints then? Might be easier than modifying the inserts.

 

Is a possibility Dan...problem is that the maxi/cortina stuff (at least all of it that i have seen) mount substantially differently on the bottom from the balljoints that the l/w bones are made for. I believe it will be easier to simply create the sleeves to fit the Sierra balljoints taper. As i mentioned earlier, the current bottom sleave fits the RH top pretty well, and it is just a matter of getting new sleeves for the bottom joint.

 

Here is the original ad from locostbuilders (note the "any other sierra based car", not "modified sierra based car"):

 

sierra replacement uprights save 7kilos per side

 

sierra replacement details

 

full details can be found in the mnr section so the most common queries can be seen by all <img align="absmiddle" border="0">

 

Only 40 sets at these introductory prices

 

to order please contact us through the parts department email

 

chrismnrltd@btinternet.com

 

to answer some questions already asked via email

 

1. will fit to mk, mac 1, tiger, luego and any other sierra based car

 

2. can be run with rod ends on outboard ends and steering arm

 

3. you will probably find you have increased articulation compared to std sierra uprights, meaning more travel

 

4. yes we can provide drive in drive out fitting service, including resetting geometry

 

best regards

 

marc

Link to comment
Share on other sites

Guest Paul Kirby
Timbo, yes, that is what i meant. I always mix up neg and pos camber. The top goes in a bit on compression, so yes, a bit of negative camber. Probably not enough though.

 

So far all MNR (Marc) has suggested is mod'ing the bones...not helpful. I am going to try gettting the top adapter out tonight...hopefully can post pictures later.

 

Going to try taking them to the race-car fabrication shop.

 

Cheers, -Scot

 

 

Easy way to remember cambers = "NEGATIVE IS KNOCK KNEED"

Link to comment
Share on other sites

Hey

 

Dunno if it helps, but the Sierra uprights I have on the Superspec don't have ford bottom joints, they're actually Peugeot (406 I think).

I seem to recall seeing articles about having to use lock-wire from some of the 2B builders on here as there where no locking tabs on the wishbones, they looked exactly like the joints I have, so it's possible the Lieghtweight is the same??

 

Regards

e

Link to comment
Share on other sites

Hey

 

Dunno if it helps, but the Sierra uprights I have on the Superspec don't have ford bottom joints, they're actually Peugeot (406 I think).

I seem to recall seeing articles about having to use lock-wire from some of the 2B builders on here as there where no locking tabs on the wishbones, they looked exactly like the joints I have, so it's possible the Lieghtweight is the same??

 

Regards

e

 

 

The bottom ball joints on the lightweight are ford cortina fastened to the lower wishbone by 3 fixing points

 

Most other makes of kit car use the maxi bottom ball joint with the taper on the sierra upright reamed out

Edited by DRC7
Link to comment
Share on other sites

Guest ScotMac
The bottom ball joints on the lightweight are ford cortina fastened to the lower wishbone by 3 fixing points

 

Most other makes of kit car use the maxi bottom ball joint with the taper on the sierra upright reamed out

 

No, cortina and maxi have the same taper, which is why most manufacturers use maxi as a replacement for cortina balljoint.

 

The l/w is definitely not cortina based (hence the reason for this thread). It definitely has the sierra taper.

 

But, i don't actually know exactly what the l/w ones came off of...could be peugoet, Ian...do you have photos?

 

Thanks, -Scot B)

Link to comment
Share on other sites

Guest ScotMac

Let's take a step back, and give people some background here (help myself sort this too).

 

The locost stuff has been using cortina/maxi based stuff for quite some time, w/ bones setup for them. When the locost vendors began supporting the sierra uprights, they did it the easiest way possible: they reamed out the bottom taper to fit cortina/maxi bottom balljoints and they produced a strut-adapter to fit their normal upper balljoint, thus minimal changes to the bones, etc. Hence the reason for the misunderstanding between Marc and I. Marc has made his stuff up to match the above cortina/maxi modified sierra uprights, and i was looking for a *true* "Sierra Replacement Upright".

 

Hope that helps clear things up.

 

For Marc's MNR/Raceleda "Sierra" replacement uprights, they have some stainless sleeves that fit into the upright top and bottom to allow the the *aluminum* upright to hook up to the steel balljoint taper, and to provide the right taper.

 

I am now looking at simply getting new sleeves made up to match the standard l/w balljoints.

 

Lastly, it would be useful to find exactly where the standard l/w balljoints come from, for future part replacement and because in all this messing around w/ the balljoints, i have torn one of the rubber boots.

 

Thanks, Scot :)

Link to comment
Share on other sites

Guest salty_monk

Scot,

 

All the 2B ones are Peugeot screw-in type. Check out www.joeybrown.co.uk for a decent picture of them with it safety wired into the bone.

 

Dan

Link to comment
Share on other sites

Guest ScotMac

Thanks Dan. Those Peugeot ones are definitely not the l/w ones. The l/w ones bolt on the bones w/ three equally spaced holes, which you can see in my original picture for this thead.

 

So, who can solve the mystery of what they were made for??? RJHall i am sure. ;)

Link to comment
Share on other sites

Guest ScotMac
Can you not just buy a replcement rubber boot?

 

Yep, but for what balljoint? I guess i could base off the dimensions, but would be easier to know the exact balljoint.

Link to comment
Share on other sites

My RS JIGTEC wishbones use a bottom balljoint that fits the Sierra taper and has 3 bolts

fixing it to the wishbone. It is definitely from a Peugeot, either a 306 or a 309 (cant remember which)

It looks a lot like your picture.....

 

HTH Bob

 

Better get spraying ASAP!

post-71-1175679128_thumb.jpg

Link to comment
Share on other sites

Guest RJHALL

Scot

 

the locost using a cortina hub has a much larger taper than the sierra, so the maxi and cortina joint will not fit the sierra hub. the one use on the lw has the same tapper as the sierra joint i am not sure what its from we ask our suppler to match the spec for the taper but with a bolt on joint not the screw on as on the 2b.

hope this helps

 

Richard

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Loading...
  • Recently Browsing   0 members

    • No registered users viewing this page.

×
×
  • Create New...