09-24-2019, 01:15 PM | #3739 | |
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The main things I've picked out is that you seem to run the rates opposite of me. I'm 400/350 which typically use to be the lemming setup until Lugod came on in here and upset the apple cart. I do think his rates work (I mean they obviously did) but with a defined setup which revolves around OSG. Obviously you're most likely going to disagree when I say swap the rates, but the only reason I'm saying this is because you're trying to add artificial spring with bump on MCS. 7 Clicks of bump is ALOT (at least knowing from my shocks and revalved shocks I don't think about going past 4). I run a decent amount of bar (I was 2/2 on Karwan's bar at Nats) and usually 2/3 everywhere else. Here's my video from Nats. They aren't pretty, but should show how the car was working for me. [ame]https://www.youtube.com/watch?v=cRS8m0DB_ck[/ame] [ame]https://www.youtube.com/watch?v=9Z-E19lmLgc[/ame] [ame]https://www.youtube.com/watch?v=L3rkavXUz0Y[/ame]
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Kyle H. - #89 STX
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09-24-2019, 01:26 PM | #3740 |
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Thanks for the reply. I could try flipping the springs. I have tried rates similar to that in the past (350f/275r iirc) and the car honestly wasn't much different than it is now.
So with your spring rates you don't experience much mid turn push? It looks like around mid turn on some sweepers you add more steering input without a lot of response. It's hard to see what the rear is doing in a video though. Having watched your car on course, it certainly doesn't look pushy from the outside. Also, are you that low on rear compression as well or do you use more? |
09-24-2019, 01:37 PM | #3741 | |
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Lincoln is weird, also insert the whole "I'm running Yokohama tires which I've never ran before" clause in there too. I was dealing with push with loose exit Thursday on the West. Decided to go up in front bar and try to tighten up the car on exit that way and drive through push. It wasn't necessarily pushy mid-corner per say, but it wasn't ideal for me. Tried to play around with shocks a tad to get the car to rotate a bit more on entry and ease the tightness on push - I did the best I could. Car was PERFECT for me at the Finale - sucks it became worse during when it actually mattered I'm same range on rear compression as well, usually within a click of each other front to rear. Rebound up front is usually 9-12 clicks, rear is around 6-12 depending on surface and car behavior. I tend to play with rear rebound the most. [ame]https://www.youtube.com/watch?v=8yPnTBOYk4s[/ame] I can link video upon video. But this is how the car was on BFGs at Oscoda
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09-24-2019, 04:27 PM | #3742 |
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Thanks for the replies. My setup would be pretty much exactly like yours if I swapped the springs. Very close. maybe I'll just give it a try after the next event where I'm just going to play with the sway bar, compression damping, and tire pressures to see what I can do with that. I have a feeling that a large part of the problem might be too much compression damping and not enough front tire pressure.
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10-06-2019, 09:24 PM | #3743 |
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Update: increasing the front spring rate to 400 and lowering the rear to have no rake made a huge improvement. This is counterintuitive to what I thought I knew about setup but the car sure is much better now.
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10-07-2019, 07:36 AM | #3744 |
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Flip to 400/350 or just go up in the front to 400/400?
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10-07-2019, 08:00 AM | #3745 |
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Awesome, good to hear.
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10-07-2019, 03:22 PM | #3746 |
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So far I just upped the fronts so it's 400 square. Just making incremental changes. I believe I have some more tweaking to do before dropping the rears to 350 because while the car did feel much better it was still more pushy than loose. I had the fsb set almost all the way soft. I'm not sure the softer rear springs would work too well for me without a stiffer rear bar. Of course, I previously had a stiffer rear bar but decided I didn't like it and sold it. Maybe karwan will release his rear bar for the twins one of these days.
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10-08-2019, 07:19 PM | #3747 |
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Is there anyone on this thread who's interested in an OS Giken limited slip with the STX tune and the OS Giken fluid?
It's new in its box - it was only opened to confirm it was tuned for STX tires. I'm not fully committed to selling yet, but I have too many parts lying around. PM me if you're interested. |
10-30-2019, 11:57 AM | #3748 |
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I'm sure this has been answered somewhere in this long thread. But are aftermarket front splitters and rear diffusers and other areo parts legal in STX or were that bump you into SM?
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10-30-2019, 02:17 PM | #3749 |
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Factory option aero only. And there is even some factory option aero that is not allowed (860 edition spoiler).
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11-06-2019, 02:21 AM | #3750 |
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Hey all, I am going to try to take autocross seriously this next season and have a few questions on my car and what class it falls in.
After perusing the thread I think my car no longer would fall in DS or STX based on the 2019 rules Mods are as follows - Racecomp yellow springs - stock shocks - OFT E85 tune - TRD short throw shifter kit - perrin shifter mount bushing - perrin CAI (I have the stock to put back in if necassary) - catback (technically has mufflers but they are blown out) - Gmax A/S 05 tires 225/45/R17, though I will probably get some good summers for Autox - Strut tower brace everything else is stock. So after reading this thread and the 2019 rules I believe the car would be in C street Prepared, would I be correct in that assumption? that being said, would I be better off trying to get the car back to STX? Also, if I stay in street prepared, I know I can do some additional modifications, SS brake lines, any other things to suggest? ok, and lastly, I know street prepared allows for removal of stock engine fan, stereo, and speakers, is there any other 'free' mods that I can do that can be restored back to a more street friendly configuration after the race relatively easily? EDIT: my front grill likes to come loose, can i remove it? Thanks for any and all help!
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2015 TC BONE STOCK BABY KANSAI DORIFTO Last edited by Takumidesh; 11-06-2019 at 02:24 AM. Reason: added question |
11-06-2019, 08:29 AM | #3751 | |
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I'd advise staying away from CSP, or Street Prepared in general. They run on DOT Slicks (Hoosiers) and is just massive scope creep from what you have currently.
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11-06-2019, 08:52 AM | #3752 | |
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You'll have a lot of fun comparing to those folks. |
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