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Correct its a trick to get it to ramp to 100% a bit for aggressively. If you look at the RS file in Sport it has values of 100mA even though that is way past the 100% value as it impacts the ramp angle of the shock calibration to 100%.
I found a really old video of Mike Levitas tuning a setup for Tom and got the idea there. You're basically impacting the ramp of the damper to be a bit more aggressive for the rear than the front, and on the RS file for the stock rates you do that to at the front to compensate for the dumpling soft front rates.
This only makes a difference if you enter the rates at the full soft and full stiff then use the "Fill Empty" button to create the linear values in between. I usually use that to get the ramp I want then edit the individual values if they need to be tweaked.
Last edited by IRunalot; Jan 24, 2025 at 01:53 PM.
I thought it was time to have a mod thread on my car, rather than keep adding to other specific ones. feel free to ask any questions about any mods and choices.
The car is mint. For those that have not followed the GT3 Front bumper thread, I have quite a few mods. I’ll start with the latest ones, and eventually they’ll all end up in here.
RAS Delete is my latest mod. Now whilst my car did not come with RAS, it has a factory RAS delete bar, which of course has floppy rubber bushings. So I have just ordered this from Tarett.
RAS Delete
if not on track yet car has PDCC, is there any value ?
if not on track yet car has PDCC, is there any value ?
Adjustable toe will save your tyres. Its not neg camber that chops tyres out, its too much toe. When you add camber you end up adding unwanted tow. The adjustment on yhe RAS delete bars restores proper geometry.
Correct its a trick to get it to ramp to 100% a bit for aggressively. If you look at the RS file in Sport it has values of 100mA even though that is way past the 100% value as it impacts the ramp angle of the shock calibration to 100%.
I found a really old video of Mike Levitas tuning a setup for Tom and got the idea there. You're basically impacting the ramp of the damper to be a bit more aggressive for the rear than the front, and on the RS file for the stock rates you do that to at the front to compensate for the dumpling soft front rates.
This only makes a difference if you enter the rates at the full soft and full stiff then use the "Fill Empty" button to create the linear values in between. I usually use that to get the ramp I want then edit the individual values if they need to be tweaked.
This is the Calibration tables yeah?
just looking at the pdf, there is only one value. 1900ma
Where is the hard value?
Soften front
Last edited by 4 Point 0; Feb 9, 2025 at 10:37 PM.
Look at the 50-60% range where the G-Table is set to and he also has the base value at 60% if this is fro the video. I don't know what the default rate is or the table is at. That 1900mA will never be seen by the damper, I only care about what I refer to as the the active rates.
I gave a better explanation in the other thread a few minutes ago. I have three methods of building the damper curves and G-Table.
This is mine and I just put it on the other thread. Mine is at 2000 at 0. Look at where its at around 50% that is much stiffer than mine
You can also clear the entire table and set your own values.
Last edited by IRunalot; Feb 10, 2025 at 10:06 AM.
What's most interesting to me about your map is that they start with front and rear being almost equal, and then with the front ramping up much more rapidly than the rear, we get to the point where the front is significantly stiffer than the rear at about 30% of the range. And then, when you look at the GForce table, they use 20% as the starting rate for the comfort patch, which corresponds to about 1100mA, which in turn is about 45% of the way to stiff. And then when it jumps out of the comfort patch to the GForce table, it starts at 50% into the shock calibration table, which is 750mA front and 950mA rear, and that in turn is already pretty damned stiff for just 0.2G of loading. That's in sport mode. In normal mode, it's dialed back a bit so that we only reach full stiff at close to 1G of lateral or longitudinal acceleration, so a much more gradual ramp.
Looking deeper into my new 120/160 Map is revealing that the DSC is still heavily compensating for lack of front spring rate.
Are the 3RS side skirts and GT3 front bumper a direct fit on a narrow body 991?
No. mine is a GTS which is a widebody. It comes stock with GT3 side skirts. I took them off and did the RS side skirts. It still required a little caulking to make perfect. Its harder on a NB.
I fitted 255/35/20 CR-S on the front with Endless ME20.
The rear with 160 springs.
Now the car is back in having 130 springs fitted to the front, ME22 pads to rear and 305/30/20 CR-S on rear.
Then I’ll get a revised DSC Map for 130/160.
I extracted all the settings from all my past and current maps and plotted them on a large white board. It was quite revealing. I’m a lot more confident making changes to maps now.
I’ve had a few days on 130/160 and its everything that I had hoped.
The car has a balance that is unmatched by anything else I have ever driven.
The sport map actually feels better than the street one at present as I am still on the 120/160 map.The front is a little
bouncy on the street setting. That should be fixed once I get the revised 130/160 map.
The front end finally has a direct and balanced relationship with the rear. No one in 2025 understands this.
I’m writing this for the young fellows in 2030.
Perfection was found at 130/160.
Porsche S/T at 100/160 is not the Ultimate street machine. Mine is at 130/160. 🤣.
