SiegZ06

If you have tried them what are the good and bad with them?


thanks

John

vetteztr

I have the Pfadt coilovers, along with the sway bars on my 2000 Coupe. The ride on the street is much better than the z51 or z06 setup (I've had both on the car). The car doesn't skip or do strange things anymore when hitting rough pavement in a turn at speed. On ramps are great, no wheel hop, and the nose dives a lot less under hard braking. On the track, the difference is just as great. The car is glued to the corners. I run with the Porsche club at Miller Motorsports in Utah, the Corvette will gain ground on a new GT3 in the tight sections! I run Toyo RA1's at full tread depth on track and off, they were on shaved race tires. The adustability is nice, too.

SiegZ06

thanks for the reply, anyone else?

Aaron Pfadt

I'm not going to put words in anyones mouth, but ask over on DigitalCorvettes. There are a bunch of people over there who have them on their cars.

-Aaron

jlucas

http://www.digitalcorvettes.com/inde...e=pfadt-racing

ghoffman

Your sway bars look really, really, nice, congrats! Have you tested them on a C6Z yet? Can you adjust the Heims without removing them off the bars?
How about some details on your coilovers like: how you adjust them, rebuild/revalve services etc?
I hate to say this but I hope you are not the one driving in the video, that person has alot of very bad driving habits!

RAFTRACER

Pfadt racing builds some really nice sway bars. Finally adjustable bars by shaft or lever arm adjustment.

Aaron Pfadt

We have several sets on the C6Z. Those cars are fab, but at their core they are still very much a C6. The same things that work to make a C6 fast will make a Z faster, the bar is just higher to start out.

The heims must be removed from the control arm or sway bar arm to adjust them. The distance is just too short to have a RH and LH thread with a connector. However, on our bars the heims are very easy to adjust because you can actually remove the whole arm from the bar with one bolt. It sounds weird, but it makes the process very simple.

They can be rebuilt (we have sets to exchange out) although, they should not need that type of service for several seasons. Custom valving is not a service we currently offer, but the valving available should allow for quite a range of spring choices should someone feel the need to go stiffer or softer on the spring rate. The springs are a standard size so they can be changed easily. The damping is adjusted by a **** at the top of each shock. It can be reached through the fender well for the fronts and through the passenger compartment in the rear with a small access hole on each side.

On the video, it depends on which one you are talking about. There are a couple floating around on DC. The video 'montage' of track driving is me behind the wheel but the street driving video with the camera aimed at the rear tire is the customer.

ace996

Aaron,
I'm debating going the T1-swaybars route but I'm intrigued about your sways...they look like very nice pieces. What are the relative stiffnesses of the different positions? I have a 2002 Z06 that I autox and trackday...and daily drive to work.

So...how stiff can they get?

Thanks,
ace

ajg1915

Check out the product review over on digital corvettes.

http://www.digitalcorvettes.com/inde...racing-install

0C5stein

We have installed a few of these for customers and I would strongly recommend them over T1 bars (hands down). I simply think that the T1 bar is far too harsh for civilized street driving. With this bar you can soften it up for the street and stiffen them up for the track. Your car's handling will be more adjustable for your driving style with these bars as well.

96CollectorSport

How exactly does the bar get softer or stiffer. Do you change the mount point from one of the 3 holes on the arm? Or do you move the arm on the bar itself?

Aaron Pfadt

Ace,

Sorry for the late return to this post. Here is my standard spiel about stiffess. Probably should post this on my website. Let's assume the C5 Z06 sways are a 1. Our sways are a 1.5 nominal. They really adjust around that number. There is more room for adjustabilty in the rear, so the range is larger there. The adjustment is about 20% in the front and 40% in the rear. The length of the lever arm (what we adjust) has a linear relationship to stiffness. The T1 bars are about a 3. They are really stiff. They may work well in a certain setup, but not for most. We are building a set of our bars that approach T1 stiffness for dedicated track cars. They will be called Pfatty bars. I have a few people running them right now and should have a small production batch in a week or so.

For your situation, I would go with our standard bars. You can dial out that understeer you have and pick up some roll stiffness without killing the ride of the car.

Hope this helps. Call or write if you have any other questions.

-Aaron

Aaron Pfadt

The stiffness is changed by shortening or lengthening the lever arm. On our bars the end link is moved to a different hole in the sway bar.

-Aaron