Is it the same as the coupe? Curious because I'd like to get the Pedder springs and hardcore OTTP bar if they are. Not looking to drop the car (I do need to carry friends in the back, hence the sedan), just improve handling for my new track toy.

Thanks,
Warren

 

Here's an SS/TC Sedan on Pedders.

 

Rallyracer, that car just looks right! Wangspeed your plan is good. I had better get some more bars made for Josh and Sean...

 

Thanks for the confirmation of the plan. Since it's the end of the season, I probably won't grab the bar til the weather clears up. No need for a fat rear bar in winter.

Warren

 

aww its funner and you dont need ebrake turns

 

Wangspeed I see you're in Manassas. You had your SS/TC long?

 

Sean, I've only had it for 7 days now. Where abouts are you in Manassas? I don't recall seeing any TCs around here, just some SC.

Warren

 

lol oh there are plenty of us. if you're trying to meet up with some of us sometime just lemme know I PM'd you my number. I'm in Manassas by the Best Buy. What about yourself?

 

In a townhouse neighborhood near the Costco, so not far.

Warren

 

Do the Pedders keep the front to rear spring rate ratio the same, or higher in the rear?

Warren

 

tell me the assembled height at ride height of your stock sedan rear spring and I can tell you that answer

 

Are the stock coupe and sedan springs not the same?

 

sedan is heavier. so trim height is prolly different. If you cant tell me the assembled height I cant give you the answers you asked for.

 

Understood. I made the assumption that they were the same since there's only one version of the Pedder springs. Well, so let me ask this about them then. How about compared to the coupe version?

I have two concerns with just a spring swap. Loss of travel, and unknown spring rates. I want a reasonably stiff rear spring setup to help keep the inside front planted since we power the wrong wheels ;-)

Warren

 

my sedan with B&G springs.. ride is good... had me and 4 friends in the car the other night.. no rubbing at all..

 

i fill my car up with peeps all the time.. got eibach sportlines on mine... no rubbing... and the drop seems to be the same as the pedders... however my springs have sat a little better now so its slightly lower... i gotta get pictures so i can show you...

but i run 235's and im not rubbing

 

the spring rates of the pedders versus TC stock are similar. Where they differ is installed ride height; the Pedders are lower. The Pedder rake is better than stock, i.e. relatively the front is dropped more than the rear.

The Pedders springs do not coilbind so already better than eibachs and the rest of them.

The rake helps turn in. An OTT rear bar will help turnin even more, that bar is the ONLY chromalloy bar you can buy. The rest of aftermarket rear bars except Eibach are of different materials, the last test I did on one showed the material to be mild steel. Eibachs are good spring steel, however, just not chromalloy

What you need to know is your car will be very good and will handle well on Pedders. The loads of a 4 door with people in it will not challenge the Pedders. Any of the other drop springs I have seen or used - Eibach, H&R, coil bind, rust and sometimes (H&R) break. No worries like that with Pedders.


What happens if you put on an OTT rearbar is that you not only change the twb stiffness you change the roll center. That is important for you.

So go buy 'em you wont regret it....

 

I've a slight disagreement about the roll center changing. That would require a geometry change, something a bar alone couldn't accomplish. Still think the hardcore bar is the one for me though.

Warren

 

hmm. Not an unusual comment, but as the GM chassis engineer pointed out to me, most folks are not comprehending the twisting beam and how it works.

 

I would say that it's changing the rate at which the roll center changes.

Warren

 

Rear roll center location is basically determined by axle pivot location in relation the axle shear center location. Since the antiroll bar changes the rigidity of the rear axle its going to affect the shear center, you also get additional deformation of the suspension bushings, further moving the roll center(since the axle pivot location has moved) This is at least how I understand it to function

 

Ding. Maven for da win....

 

That is really close to me so I'm surprised you haven't seen any around. There are three SS/TC black coupes in Manassas alone. One is mine. lol