Post: GT6 Game Physics Testing
04-30-2014, 09:03 PM #1
SiNiST3R
Samurai Poster
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GT6 Physics Testing & Analysis

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Here are some videos (I can only add 2 so Ill link post where videos are posted when I can)



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Jounijkk, kazzbakkisback, nextgole, OdeFinn, P$ycho, policedu, q-k, turbo_nova2l, tyronekfc
11-13-2014, 05:01 PM #236
SiNiST3R
Samurai Poster
Originally posted by 332i
As I've said and this goes for IRL too...springs are solely for supporting vehicle weight.


Yeah while the car is going around the track, accelerating, braking and cornering. Support the weight dynamically.

Not nearly as simple as it appears you're making it out to be.

Originally posted by 332i
Not as simple as I am making it? That is the purpose of a spring in a suspension system. After that, you have two options - whether they are linear or progressive. I'm not simplifying it. That is the textbook reasoning for springs and I'm stating it as such, because it simply isn't worth complicating or delving too far into on here. People confuse the purposes of shocks, struts and springs between each other as it is.

You don't just go changing spring rates and ride heights, simply because a track surface will allow you to or because you can. Like I said, whatever works for you.



Fuck it. 332i STFU if you think springs are a set it and forget it setting you are an AssClown. To put it simple a smooth track will handle much higher spring rates than a rough track, for Example Silverstone GP Vs Nurburgring. Silverstone will be faster with a higher frequency than Nurburgring can take, using the same spring set up at both tracks one possibly both of the locations are not using the ideal set up.

People are getting confused because of AssClowns like you talking stupidity like use the same spring rate for every track as if that Bullshit is how people are supposed to tune or how tuning is done in real life lol

Ohh FYI your spring rate increases or decreases the frequency as you increase and decrease the stiffness of the springs. Only a fucking AssClown would think this is a set it and forget it setting and all tracks should use the same spring.. Its CLEAR that your misunderstanding what your reading, YES the springs are there to support the weight, but this is dynamically ( have you never heard of weight transfer Mr 332i) as the dynamical conditions change then so to should the set up.

Not to forget Silverstone will take a much lower set up than Nurburgring and when changing ride height we also need to adapt our spring rates.... lmfao

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I Race Beeeeemers IRL Honk Honk but play GT6 for 5 Hours a Day or MCH Same deal with Spec Miatas


Ahhhhhhhhchoooooooo
11-15-2014, 10:30 PM #237
Good work !

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SiNiST3R
11-16-2014, 07:14 AM #238
SiNiST3R
Samurai Poster
Fun Saturday at GTP

I ended up getting 332i Banned (his doing lol) not really my fault.

Basically some of the GTP tuners were agreeing with 332i when he said once he sets his springs he never touches spring rates again opting to do all track to track tuning with only roll bars and wheel alignment. He's getting agreed with and nobody says a thing.

I had to say simply it depends on the Track for me, and still no support from anybody, 332i & Dolhause back and forth a bit patting each other on the back and then I get banned BOOOOOOM lol a mod steps in and picks up MY position (the guy they just banned probably due to every new identity getting flooded with people liking my post (lol) until they realize "Jack" is back ) and the whole crowd flip on 332i (nobody said shit to Dolhause who had the sane position as 332i and Dolhause kept his mouth shut while GTP all of a sudden ganged up on 332i.

I injected myself with a new ID and even fucking Motor City Hammi is liking my post (fucking hilarious)

I got banned but I came right back and triggered the heat again going in with a quote from an online source (as my own words are not enough) that is indisputable and the GTP crowd flips sides like flopping fish. So only after a mod stepped in taking my position after banning me (WTF?!?!?) All of a sudden the crowd opinion sways and now 332i is on the defense. I'm sorry but his bullshit got exposed and he flipped his wig. Mods banned him for his freak out that is partially justified, I mean the GTP crowd originally had his back, while I was apposing him, they even banned me, then when my new user exposes him the GTP crowd switched sides and ganged up on him. Classic.

Its no big loss. 332i was not interested in helping people get cars tuned well for them, he's more interested in bragging up his uber GT driving skills.


What has been done is GTP is a little more exposed. They flip flop sides depending on who's on the other side & not the merit of the information. Not much integrity at GTP
11-16-2014, 02:11 PM #239
SiNiST3R
Samurai Poster
I'll even say it straight the GTP theory on spring rates and dampers being relative to each others slider is stolen from me. I originally explained this to Motor City Hammi and I was banned for the usual exposing ass and not kissing any now Motor City Hammi changed his tuning guide to use my theory. Fucking epic this guy talks so much shit, but ends up ripping off my ways. Love it

______________________________________________________________________________________________


This is an example of how GTP figures out tuning, a poll thread for how to tune springs has popped up in the aftermath of the thread that killed 332i. The FITT tuners have posted some formulas they use to calculate the spring rates.

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Pure Math Based Tuning

The problem is the math used is retarded. Its just nonsensical calculations whose focus is turning the weight at weight split into a value acceptable as a spring rate. overlooking the leverage factor of the suspension.... What this means is if they don't know or even attempt to factor in a leverage factor, any calculations they make even if based on real principles wont work. A leverage factor turn X into XY the problem is not knowing the leverage factor its closer to X? literally impossible to calculate a result with an incomplete calculation.

The info needed is the spring frequency. It takes the weight, weight split, sprung weight, spring rate, and suspension leverage factor with a few other details to calculate. We can actually do a lot of pre emptive tuning based solely on the springs frequency if we have the frequency or info needed to calculate it correctly. The problem is with the leverage factor missing its impossible to calculate the frequency or tune using math alone. Even if we had all the info we wanted, leverage factor and spring frequency, it will still require feeling out the car on the track.

This is why my tuning tools are assist type tools, because its literally impossible to input a bunch of car data into a tune generator and have the end result be anything other than a generic improperly tuned ass bag, no Tune Generator WILL EVER be able to put out a refined set up like one that's been felt out and tuned on the Track period.

Real World Aftermarket Specs Used in GT6

The problem with using real world performance parts specs is the cars do not use real spring rates relative to the cars in real life. For example any spring rate you find on the spec sheet for any given car in real life will not math the in game stock spring rates. (I have a theory as to WHY, but that's not important ATM) If an aftermarket company provides a spring 20% stiffer than stock, the in game 20% increase will not land at the same rate as in real life. Using the posted spring rates will have varied results. Some cars it will somewhat work, but most will require much accommodating tuning in other components to make seem right, IMO these are not ideal springs in the game for the most part. I have found a very few that relatively work.

Its possible (though untested) that aftermarket springs % of increase can possible yield similar result virtual to real, I will have to give that a try as it would work with my theory on why stock spring rates in the game don't match real world spring rates.


I think GT6 was reverse engineered.

To put it VERY Simple I think PD took GT5 in one hand, then KW Data, Yokohana Data and CFD aerodynamics in the other and smashed its hands together. KW data being sourced on the 7 post rig is highly spring frequency based & so the frequency became the main data vs the springs on the opposite side of the equation. I believe to accommodate/incorporate the KW data into the GT physics engine the spring rate and leverage factors were manipulated to achieve the desired frequency.
11-22-2014, 04:57 AM #240
SiNiST3R
Samurai Poster
11-22-2014, 09:14 AM #241
Now even fucking Super_gt is liking my post (fucking hilarious)Happy

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SiNiST3R
11-23-2014, 03:52 AM #242
SiNiST3R
Samurai Poster
11-23-2014, 05:19 PM #243
Great work as always i love to read your posts after hard day Winky Winky my kind of relaxation. I can see the Motec I2 data could come handy in your testing. Btw. Clean up your inbox because i have something to talk to you on PM relating to the Motec I2.

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SiNiST3R
11-23-2014, 05:23 PM #244
SiNiST3R
Samurai Poster
Originally posted by matt105 View Post
Great work as always i love to read your posts after hard day Winky Winky my kind of relaxation. I can see the Motec I2 data could come handy in your testing. Btw. Clean up your inbox because i have something to talk to you on PM relating to the Motec I2.



Thanks, and I will clean out me box. I forget how fast it fills up

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