Home›Forums›Technical – General›Suspension›VT-VY Front LCA in a VR/VS?
This topic contains 13 replies, has 6 voices, and was last updated by LF24 9 years, 2 months ago.
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March 5, 2015 at 9:09 pm #2052
Phire aka GmfanParticipant- Victoria
- VT LS1 Wagon
View build HERE
Posts: 105Do later model front lower control arms from say a vy fit in a vr/vs? I was going to grab some from a wrecker and test it but to be honest if someone else has tried it already it would save me wasting money.
March 5, 2015 at 11:06 pm #2069From memory they are different Whiteline part numbers, so I would lean towards no.
Yep different mate, VR/VS Has a different ball joint and just an overall different design, VT S1 Has the same actual arm as VT S2/VZ but a different ball joint and they also come in a Left or Right.
VR/VS
Later VT S2/VZ
March 6, 2015 at 10:54 am #2083
VRSenator065Participant- Adelaide SA
- VR Senator LSx454 1960 Kombi (project) 1921 Nash Hot Rod (future project)
View build HERE
Posts: 5 777Nice work Kroozer.
March 6, 2015 at 2:38 pm #2104
Phire aka GmfanParticipant- Victoria
- VT LS1 Wagon
View build HERE
Posts: 105Yeh i had a quick look at the whiteline site too. Obviously different arms but the question is how different? Bushing used for the inner mount is the same which suggests it’ll mount up (first hurdle). I haven’t been able to find any dimensions for the arms to know distance between inner bush and radius rod bush for example. If that were too far out then it wouldn’t work. I also don’t know overall arm length differences. Ball joints don’t seem a big deal as i could potentially use the later model knuckle too?
Basically i’ve found some aftermarket arms designed the for 04-06 GTO. Wondering if they’ll work in a vr/vs track car. Doesn’t seem that anyone has looked at the differences in detail though so i’ll have to see if anyone is willing to donate free/cheap so i can take some measurements.
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You must be logged in to view attached files.March 6, 2015 at 3:50 pm #2106
VRSenator065Participant- Adelaide SA
- VR Senator LSx454 1960 Kombi (project) 1921 Nash Hot Rod (future project)
View build HERE
Posts: 5 777They are a nice looking bit of kit. Be great if they do work, keep us posted.
March 17, 2015 at 1:34 pm #2854
Phire aka GmfanParticipant- Victoria
- VT LS1 Wagon
View build HERE
Posts: 105So i bought some cheap arms, knuckles and radius rods to test. Arms seem to be basically same length and distance from lower arm mount to radius rod seems same. However there is a bit of a problem. The VR/VS have a doglog in them. Where the VT-VZ arms are straighter.
With VT+ arms in place the stock radius rods are too short, but the VT and later radius rods are too long. The later radius rods literally won’t fit into the k frame.
Potentially adjustable radius rods may work but don’t know if they can be extended longer than stock or if they only get shorter.
August 23, 2015 at 3:52 pm #8663If you use the VT arms you might be able to get more caster, with VS arms and adjustable radius rods, you’re limited by how much caster you can put in as the wheel rubs on the guards. With the VT arms it looks like the wheel starts off further back in the wheel arch so you could get more caster – possibly…
Can you tell if the VT wheel hub bolts straight up to the rest of the VS suspension? Struts are the same but is the flange and ball joint location compatible?
P.S. Apparently the VT S1 ball joint connection to the hub is pinch bolt, VT SII onwards is tapered.
- This reply was modified 9 years, 3 months ago by benk.
August 23, 2015 at 9:14 pm #8703If you took ur stock Vr/VS arms to a good fabricator they could mod them to be adjustable.
August 24, 2015 at 11:56 am #8721
LF24Participant- Ipswich
- - \'99 ls1 Holden VS ute - \'02 HSV Maloo R8
View build HERE
Posts: 57A guy on the VG-VS holden utes facebook page has run this setup before and i will be going down this path soon. Will be running vt-vz lcas, knuckles and hubs with adjustable radius rods. Will put up pictures once i get around to doing it.
August 24, 2015 at 12:28 pm #8723
VRSenator065Participant- Adelaide SA
- VR Senator LSx454 1960 Kombi (project) 1921 Nash Hot Rod (future project)
View build HERE
Posts: 5 777Def post up pics when you are done, excellent discussion.
August 24, 2015 at 1:11 pm #8726A guy on the VG-VS holden utes facebook page has run this setup before and i will be going down this path soon. Will be running vt-vz lcas, knuckles and hubs with adjustable radius rods. Will put up pictures once i get around to doing it.
what’s the reason guys go VT LCA’s on a VS? I know on the vn-vp they do it to gain track but the vt and vs arms appear to be the same length?
August 24, 2015 at 1:28 pm #8727
LF24Participant- Ipswich
- - \'99 ls1 Holden VS ute - \'02 HSV Maloo R8
View build HERE
Posts: 57My reasoning is you get the least steering lock with modified knuckles with vs lcas because of the lock stops. Apart from that I’m not sure, maybe because the later model arms are cheaper?
August 30, 2015 at 7:09 am #8831
Phire aka GmfanParticipant- Victoria
- VT LS1 Wagon
View build HERE
Posts: 105I haven’t tested whether vt+ knuckles will work on vs ball joints but more options for aftermarket knuckles with improved bearings and roll centre/camber adjustment for VT+ than Vr/Vs. That’s if you’re getting serious.
August 30, 2015 at 10:27 am #8832
LF24Participant- Ipswich
- - \'99 ls1 Holden VS ute - \'02 HSV Maloo R8
View build HERE
Posts: 57I’ve been talking with a guy on Facebook that makes modified radius rods and knuckles.
He was saying that he’s working on a fully adjustable heavy duty front suspension kit for Commodores.
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