View Full Version : lower strut brace
lukebartlett2405
21-08-2007, 17:41
http://cgi.ebay.co.uk/SPARCO-Lower-Strut-Brace-RENAULT-CLIO-2-0-16v-WILLIAMS_W0QQitemZ180136160681QQihZ008QQcategoryZ1 0410QQrdZ1QQssPageNameZWD1VQQcmdZViewItem
Just seen this on ebay any one got one? are they any good? where do they go?
cheers :D
yes i have one. they bolt between the lower wishbones and strengthen,s the subframe
Justin..
21-08-2007, 20:16
aye i got one too. got a pic of where it goes if your unsure
cant see it particualy doing much, if your car is pretty low, it'll catch the floor first!? subframes are pretty rigid.
just before you hit the sump. know which i,d prefer.
lukebartlett2405
21-08-2007, 23:21
lol a pic would be helpful
luke__bartlett@hotmail.co.uk
cheers everyone :D
it bolts in two holes inbetween the wishbones on the subframe, where the frame is: I<l l>I it the bridges like this I<l-l>I
I = the wheels
< = a wishbone
l = part of the subframe.
hope you like my explanation :oops:
http://i36.photobucket.com/albums/e15/123maxiboy/DSCF3479.jpg
only pic i could find. just under the driveshft
^^^ or just go one better :lol:
hope you like my explanation :oops:
I thought it was rather good!
Justin..
24-08-2007, 19:00
http://i14.photobucket.com/albums/a341/justin_2k5/Subframe/PHTO0020.jpg
http://i14.photobucket.com/albums/a341/justin_2k5/Subframe/PHTO0035.jpg
there ya go matey
Justin..
24-08-2007, 19:06
http://i14.photobucket.com/albums/a341/justin_2k5/Picture021.jpg
Yamaha_YzF-R1
24-08-2007, 19:37
Isn't it dangerous for that stud brace? couldn't it hit something under there when you drive?
Justin..
24-08-2007, 19:58
i've only hit it once on a stupid speed ramp going too fast. but its inline with the wheels so tends to go up with the car if you understand
Yamaha_YzF-R1
25-08-2007, 08:56
Yeah I understand :) 10x
I've wanted one for a while!
I wouldn't want one of these.
The subframe is designed to flex and bend inwards in a side impact with say the curb or a crash barrier :oops: Stiffening it up means your going to transmit that otherwise absorbed energy to something else, like the chassis!
Bailey_1260
25-08-2007, 20:49
I wouldn't want one of these.
The subframe is designed to flex and bend inwards in a side impact with say the curb or a crash barrier :oops: Stiffening it up means your going to transmit that otherwise absorbed energy to something else, like the chassis!
Dont crash then :wink:
I wouldn't want one of these.
The subframe is designed to flex and bend inwards in a side impact with say the curb or a crash barrier :oops: Stiffening it up means your going to transmit that otherwise absorbed energy to something else, like the chassis!
same as a cage really . might mean the arms/wishbones go instead of the subframe though.
In theory though, wouldnt this make the front end too stiff, giving it more of a understeer characteristic?
As there is little to stiffen the back up to keep it in line with the front.
doesn,t on mine. i think its a good thing as makes the front more positive.
Going by my own experiences strengthening wife's Lancer and a friend's Camry with 4-point undercarriage braces. In both cases, it reduces understeer significantly and makes the steering less affected when hitting potholes and puddles. I think the theory is to make the chassis geometry flex less while making the the suspension do most of the work. Mind you, that's on a rolly-polly japanese chassis, I think the Williams double-skinned sub-frame is probably already quite strong in the first place. Also, I think with undercarriage braces in place, it might interface with engine evacuation on very strong frontal impact. So, if you are going to have a strong head-on collision, make sure you remove the bracing first :)
all the rally cars had double skinned seem welded subframes and upper and lower strut braces as well the the front turrets triangulated into the cage.
they tend to crash well. 8)
stevie_b
07-09-2007, 14:34
all the rally cars had double skinned seem welded subframes and upper and lower strut braces
That swung it for me Maxiboy. Mine arrived yesterday. Do they all have a slight bend in the middle on them? Mine isn't dead straight across, but it looks unlikely it would have got damaged in transit as they had packaged it pretty well. Also do you need to put a washer between the brace and the subframe as it looks like the panel on the subframe slightly fouls the brace where it bolts onto the subframe. No bolts came with it - anyone know what size I should ideally be fitting?
in a crash I can just see the mounting bolts ripping out the holes or snapping, surely welding in on would make the most difference. :idea:
I can't personally see a differnce in a crash situation - in a heavy front on its gonna give up the ghost pretty quick!
all the rally cars had double skinned seem welded subframes and upper and lower strut braces
That swung it for me Maxiboy. Mine arrived yesterday. Do they all have a slight bend in the middle on them? Mine isn't dead straight across, but it looks unlikely it would have got damaged in transit as they had packaged it pretty well. Also do you need to put a washer between the brace and the subframe as it looks like the panel on the subframe slightly fouls the brace where it bolts onto the subframe. No bolts came with it - anyone know what size I should ideally be fitting?
I think that slight bend is to give some clearance for the downpipe.
yes they have a slight bend that clears underneath i used m8 bolts and large washers.
stevie_b
07-09-2007, 20:21
yes they have a slight bend that clears underneath i used m8 bolts and large washers.
Cheers mate. Washers between the brace and the subframe as well?
no just under the nuts above the subframe
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