Front Suspension mounted using....?

[olason]

http://artmorrison.com/chevelle.php

The art morrison chassis for the A-bodies mounts the corvette front suspension using, what I have heard called on other sites, tie bars, but when I search that I can't find any information on them. Can anybody give me the common name or more specific name to these? I know that Roadster Shop also uses them on their chassis.

Thanks in advance, and I know it seems like a basic question.

[exwestracer]

Which piece are you referring to exactly?

The upper control arm mounts?

[olason]

Yes, the piece that mounts the upper control arm to the frame. Most of the ones I have seen are a solid bar that goes through each bushing on the upper control arm, and some designs like this one attach each bushing and end of the upper control arm separately to the frame. Is it easier to tune the suspension this way, or is it just the way they placed the coilover that this route was used?

[novaderrik]

that pic shows how every Corvette since 84 has had the upper arms mounted.. i don't know what kind of advantages it has over the single long bar other than less weight and more room in between for other stuff.

[bret]

I call them "trunnions".

http://artmorrison.com/chevelle.php

The art morrison chassis for the A-bodies mounts the corvette front suspension using, what I have heard called on other sites, tie bars, but when I search that I can't find any information on them. Can anybody give me the common name or more specific name to these? I know that Roadster Shop also uses them on their chassis.

Thanks in advance, and I know it seems like a basic question.

[cheapta]

that pic shows how every Corvette since 84 has had the upper arms mounted.. i don't know what kind of advantages it has over the single long bar other than less weight and more room in between for other stuff.

Not quite true-the C4's (84-96(?)) used the old style cross bar with two bolts and shims for caster/camber adjustments. Just a clarification-



Peter

[novaderrik]

Not quite true-the C4's (84-96(?)) used the old style cross bar with two bolts and shims for caster/camber adjustments. Just a clarification-

Peter

i stand corrected.. for some reason i was thinking that the C4's were like the newer Vettes..

[exwestracer]

I believe they would still be referred to as a cross shaft, although Bret probably has some influence on the "correct" term! LOL

[olason]

I sent an email to art morrison to see what they had to say, and this was the response:

"Kyle,

It is a piece that we make here but we do not sell them separately. We got the idea from the C6 upper control arm, we were looking for a way to gain more clearance for the shock without having a one piece crossshaft and this method allows that. As far as the name of the part goes I guess tie bar would work as well as anything. I’m not really what we call them. The design is fairly simple it is machined with a male and female thread that once it’s together secures the bushing and make for a great upper control arm mount.

We make quite a few parts that are proprietary to our own assemblies and this is one of them. The Roadster Shop used our design or did the same thing we did and they may sell them separately. I’m not sure of anyone else using this method to locate an upper control arm.

Sorry I couldn’t be more help,

Art"

I haven't seen if the roadster shop sells them, but from the sounds of it they shouldn't be hard to make either. A little time in Pro Engineer and I could have it all drawn up. He mentions cross-shaft in there, so it could easily still be called that. A search on google didn't show what I was looking for. Is there any where on the internet that gives a diagram and full breakdown of the parts list, kind of like a bill of materials?