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Old 08-31-2012, 12:56 PM   #1441
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Really good testing with the Purple springs yesterday. I have been battling a bit of under steer with my car in two particularly tight sections of the track ever since we have had this particular layout. The car was fast, but I had to throw the car into the corners to run tight.

Yesterday I focused on developing a set-up for the new purple springs. Starting at my usual roll center of 0B all around I noticed the car was way more stable in the switch backs and it also was generating a lot more steering. However as the sun went down, the car actually lost grip instead of gaining how it usually does. With this, the car was too stiff so I decided to lower the roll center to 3A. Immediately on the 3A roll center, I felt like I had found something, the car was simply amazing. It had just enough body roll and the way it switched directions was amazing. For the first time in a long time, I had a little too much steering, which is a feeling that I had forgotten.

The set-up is still not perfected as it is just a bit unstable. I am running the green sway bar up front and the blue in the rear, so perhaps swapping them out will get me the roll balance I want. I also want to try maybe widening the front end from 2.5FF/2.0FR to 3.0FF/2.5FR to make the car a little tamer on corner entry.

The other change is I have been running a 3x1.1 mm piston for about a month now. They should be ready in about 10 days. The main difference between these and the 1,1,1.5 pistons is that you can run lighter oil in the car. I am down to 450 wt all around. However, the feel is not much different on the track. I think they are better in hot weather though, I ran them in Austin at the Texas EOS with 550wt oil and they made the car super easy to drive. If I had been running the 1,1,1.5 I would have had to run about 650 to get the same feel. Ambient temperature was 103-105 degrees.

On bumpy tracks I would still run the bigger hole pistons, while on smoother tracks or super high grip tracks I might run the smaller hole pistons to allow the car to pack more and switch directions faster.
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Old 09-02-2012, 08:45 AM   #1442
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When will the RSD6 2.0 chassis be back in stock? I should have ordered one when I talked to you a couple weeks ago!
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Old 09-02-2012, 10:04 AM   #1443
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Chassis should be back in stock in a week or two. We are actually out of the bell cranks and not the chassis themselves. The new bell cranks have some slight revisions, that provide for smoother, quicker steering response.
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Old 09-02-2012, 03:13 PM   #1444
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Great info on the springs, CT.

Still happy with the RSD6, currently modifying some parts (the alu parts on the car ), going to test them out soon and will report here.

I drew up a new mount for my transponder, but need to get it made in carbon and put it on the car. I dont like the transponder up front (in the bumper) so i made a new mount.

Will post more soon.
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Old 09-02-2012, 03:52 PM   #1445
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Are the new bell cranks in black?
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Old 09-02-2012, 05:41 PM   #1446
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Yes the bell cranks will be black.
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Old 09-02-2012, 09:35 PM   #1447
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I have the latest set-up online now. This is by far my favorite set-up so far. Gobs of steering and corner speed. Lacking a bit of stability perhaps, but nothing a little refining won't get rid of next track day.

RSD Purple Spring set up
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Old 09-05-2012, 11:27 AM   #1448
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TC6 Fan mounts are back in stock!
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Old 09-10-2012, 12:52 AM   #1449
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Hi, Cristian,

Need your advice.

When using RSD TC6 suspension block locks, should I use them in all arm mounts (front & rear, totally 8 units)???
Or just use them in rear mount position of each arm (totally 4)???

Thanks.
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Old 09-10-2012, 01:18 AM   #1450
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I typically use 6 of them. At all 4 corners in the front and in the rear rear ones. In the Front rear, I typically use the std blocks with a 0.5mm shim.
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Old 09-10-2012, 01:29 AM   #1451
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Quote:
Originally Posted by CristianTabush View Post
I typically use 6 of them. At all 4 corners in the front and in the rear rear ones. In the Front rear, I typically use the std blocks with a 0.5mm shim.
Thanks.

At the rear arms,
Rear - you use RSD blocks with standard arm mount
Front - you use standard arm mount plus 0.5mm shim.

With your current setup, assuming your are using 0 deg rear up right, what is your rear toe in???

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Old 09-10-2012, 08:46 AM   #1452
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I vary between 2.5 and 3.7 degrees of rear toe based on track grip. With stock I run less toe than with modified as well.

Had a really fun time with the rsd6 at Rd.3 of the Texas EOS at Mike's Carpet Track in Dallas. I have a very, very good set up for medium grip carpet. I will post it up this week. A little. Ad luck in the first main gave me a dnf in our double A-main rd.1 so I got 6th overall. However my second main result, I finished 4th- 7 seconds adrift of the winner Ralph Burch and 3.xx seconds behind Mike Dumas and Chris Adams. At the nats I was 2+ laps behind Ralph with the TC6.1, so I would say this was a huge improvent. This was also only my 4th time racing modified TC on carpet and still only like my 10th time on carpet ever. The car was fantastic!
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Old 09-10-2012, 06:06 PM   #1453
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Hey Christian,
Thanks again for helping me with my setup at mikes. Those rsd springs made the car feel so consistent!
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Old 09-11-2012, 12:52 PM   #1454
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I heard the RSD shock blades were a good upgrade to help get zero rebound when rebuilding shocks. What are shock blades and can someone post a picture of what the RSD shock blades look like please? Also, how much and where do I get the RSD shock blades?
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Old 09-11-2012, 01:05 PM   #1455
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Bladders, not blades.

-Mike
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