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Old 10-11-2017, 07:04 PM   #1
monkey
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Default Balljoint Droppers

Evening all,

Question about the balljoint droppers available here;

https://www.upaclick.com/products/mi...adjusters-rcas

I'm looking to get either the 30mm or 20mm droppers to stop my 4 pot calipers catching on the tie bars with my allspeed frame. I've had this issue with a previous build and I've found out that the reason maybe because the allspeed frame was designed to take standard 2 pot calipers. This is 7.5" 4 pots by the way.

My questions are really;

Is it possible to be using this on a road going car with a Honda engine. With the extra weight, I'm worried about the balljoint dropper failing/shearing?

Would these adversely affect the driveshaft angle?

Unsure if the 20mm droppers will be enough. I have seen a fellow member on here "fordy" use them on his build to allow his calipers to clear.

Cheers

Monkey
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Old 10-11-2017, 10:07 PM   #2
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i can only answer the driveshaft angle, it will be unaffected, the top arm dictates that.
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Old 13-11-2017, 01:26 PM   #3
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Side question, as im sure im going to hit the same problem, what if the issue left as is. As in let the callipers hit the bottom arm. Or just don't go lock to lock. Surely there is enough metal on both calliper and the bottom arm for neither to fail/

Or ignoring that is it possible to shave off a little off the metal bracket of the bottom arm to allow some extra clearance, as them brackets are quite beefy
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Old 13-11-2017, 05:43 PM   #4
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I have the same caliper issue, I have fitted rack limiters and the are still touching the tie rod clevis. I was going to machine the clevis as they have plenty of meat but I bought these instead to try. Delivery is due tomorrow.

http://www.minispares-online.co.uk/n...m-ball-joints/
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Old 14-11-2017, 02:39 AM   #5
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i wouldent use them down to the power delivery from that engine, only because its fact that the power obouve 100 hp twists the outer part of drive train> into torqe steer,
meening the rubber part(tyer, can go wher it needs to because its not under any decent controll by such week suport arms,
in the past i seen some ball joint sofics sheer and they have allways been the bottom ones, if you think about it you will know why,
shure its ok for smoth track daYS but i would rather put up with the /only tight turning circal problem that you will get
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Old 14-11-2017, 08:49 AM   #6
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Hey guys, droped my mini down, and after fafing about with these rack limiters and adjusting bottom arms by eye just so they look same ish, I have about 5/8mm clearance between the clevis and the brake calliper on lock to lock. I have the 7.9 version of minisports.

can take pics if that would be helpful?
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Old 14-11-2017, 11:25 AM   #7
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Originally Posted by filski View Post
Hey guys, droped my mini down, and after fafing about with these rack limiters and adjusting bottom arms by eye just so they look same ish, I have about 5/8mm clearance between the clevis and the brake calliper on lock to lock. I have the 7.9 version of minisports.

can take pics if that would be helpful?
That would be useful, thanks!
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Old 14-11-2017, 11:25 AM   #8
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Quote:
Originally Posted by ardonfast View Post
i wouldent use them down to the power delivery from that engine, only because its fact that the power obouve 100 hp twists the outer part of drive train> into torqe steer,
meening the rubber part(tyer, can go wher it needs to because its not under any decent controll by such week suport arms,
in the past i seen some ball joint sofics sheer and they have allways been the bottom ones, if you think about it you will know why,
shure its ok for smoth track daYS but i would rather put up with the /only tight turning circal problem that you will get
But aren't these de rigeur fitment on Miglias ? They must put a lot of pressure on these joints due to sticky slicks and big power
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Old 14-11-2017, 11:28 AM   #9
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Keitht, I'd be interested in more pics and lengths once you receive them please. Only thing putting me off is its Huddersfield spares selling them. They aren't the best with customer service. I've done a quick search and it seems a few places are selling these Fletcher Motorsport ones. I'm slightly hesitant about the quality.

The one in my original link is made by Owens Fabrication who makes stuff for and competes in the Miglia series. Looks to be very well made. I wonder if I could get away with the 20mm version as opposed to the 30mm one.

Ardon, I get where you're coming from which is why I'm worried about using them. All the ball joint failures I've ever seen are bottom ones too.
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Old 14-11-2017, 12:23 PM   #10
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Originally Posted by Oz View Post
But aren't these de rigeur fitment on Miglias ? They must put a lot of pressure on these joints due to sticky slicks and big power
no comparison oz ,, nothings even close
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Old 14-11-2017, 12:41 PM   #11
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The ball joint spacers wont shear under any driving conditions.

You will be fine.

Just remember to re do your alignment afterwards.
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Old 14-11-2017, 01:15 PM   #12
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The ball joint spacers wont shear under any driving conditions.

You will be fine.
Does it not add more stress to where the spacer attaches to the hub, where the original balljoint would have been?
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Old 14-11-2017, 01:18 PM   #13
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That would be useful, thanks!
will get on it tonight pal
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Old 15-11-2017, 06:16 AM   #14
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Quote:
Originally Posted by rorenapier View Post
The ball joint spacers wont shear under any driving conditions.

You will be fine.

Just remember to re do your alignment afterwards.
fair point there, the few i seen fail wernt actuly a clean shear but more like
a thread twist due to loosend unit, that thred is realy strong if its set nice!
as oz said> mini mig use them but mig raceing is a walk in the park and easy on the car, not many miles, not much power, no agressive stop starts, no real bumps or pot holes,tiny wheels, ect ect, all them are just exsamples of the diferance to normal road conditions depending on your personal driveing habits ect,
the main problem i keep reading is about x2 power converts not doing well on the steering and pulling all over the place,,
well im not sorry to say that if that wheel is doing a too,and frow movement under power pull, its obviouce why its all over the place,
down to obviouce weekness in that part(wheel control arms)
i wouldent be happy about makeing the hub unit more at risc of stress,
if thers a good reason i may try,, but lack of lock aint one of them!!
depending on amount of lock loss ofcource!!
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Old 15-11-2017, 12:40 PM   #15
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Quote:
Originally Posted by monkey View Post
Does it not add more stress to where the spacer attaches to the hub, where the original balljoint would have been?
If there is any more stress it is very very little

Quote:
Originally Posted by ardonfast View Post
fair point there, the few i seen fail wernt actuly a clean shear but more like
a thread twist due to loosend unit, that thred is realy strong if its set nice!
as oz said> mini mig use them but mig raceing is a walk in the park and easy on the car, not many miles, not much power, no agressive stop starts, no real bumps or pot holes,tiny wheels, ect ect, all them are just exsamples of the diferance to normal road conditions depending on your personal driveing habits ect,
the main problem i keep reading is about x2 power converts not doing well on the steering and pulling all over the place,,
well im not sorry to say that if that wheel is doing a too,and frow movement under power pull, its obviouce why its all over the place,
down to obviouce weekness in that part(wheel control arms)
i wouldent be happy about makeing the hub unit more at risc of stress,
if thers a good reason i may try,, but lack of lock aint one of them!!
depending on amount of lock loss ofcource!!
Anything will break if its loose... Sounds like operator error more than anything..

Racing in the Migs will certainly put a lot more stress into them than anything on the road.. cornering on slicks at 70mph with kerbs thrown in....
If you wheel is moving back and forth you have a problem with substandard bushes.

To the OP, you wont have any problem running these. Ill be putting a set on my racecar (which runs sticky 13" slicks) over the winter and will have no issues in my mind with them.
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