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Old 12-25-2010, 08:11 PM   #21
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I'd say Xida by a small margin over the diff.

Lowering lap times in a 160whp track Miata is all entry speed. Exit speed doesn't change much.

Last edited by emilio700; 12-26-2010 at 03:56 AM.
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Old 12-25-2010, 08:35 PM   #22
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miata.net, track section
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Old 12-26-2010, 01:04 AM   #23
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Originally Posted by jacob300zx View Post
miata.net, track section
Damit

3rd in line.

Didn't realize I needed to get up befor down on Christmas moring and spend all my time monitoring various internet forums in hopes of finding deals on stuff I want.

Bob
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Old 12-26-2010, 03:16 PM   #24
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...My lap timer quit working. Perhaps a Data acquisition system should be in my toy budget in the near future...
Bob
Bob,
Get the data now. Save the slight improvements to your already-capable diff and suspension for another time. In-car predictive segment & lap timing can really help drop lap times, and post analysis can help even more. I have found the data can help both car and driver development. It is fun too.

I like the Race-Technology DL-1 and Dash3. The Dash3 is small enough to be mounted directly in your line of sight on the dashboard, and big enough to be easy-to-read (with 3 different font sizes). I really enjoy the predictive segment and lap times, and the ability to set the track markers in advance or while on-track. If you have local guys & race buddies to share data with, find out what they are running.

That said, from a purely selfish perspective, get the full-blown XIDAs! I'm running the Ohlin DFV's with custom spring rates, ISC sway bars, custom spherical suspension bearings and such. IMHO, I find the Ohlins to be an incredibly effective package. I have the shocks rebuilt at the end of every season. Most of the reviews I've read about XIDAs have come from owners who upgraded from Teins, Ground Controls, or Bilsteins (SM). I would consider your custom Konis on par with my Ohlins, and both of them significant upgrades over Teins/Ground Control/Bilsteins.

I've been wondering about double or triple-adjustable shocks, and whether or not the grass is actually greener, and if so by how much, with a more adjustable and dedicated motorsport coilover. I've looked into rolling my own setup (based on Penske, etc), but as you've also concluded, the XIDAS already seem to check off all of the boxes of features I would want.

So anyway, go with the XIDAS and tell us all about how they work with your setup...!

I also have an OSG diff that I bought from 949 a year ago, but still have it sitting on a shelf. So, if you decide to go that route, I'd still be interested in how it affects the balance of your setup.

...But honestly, I would go with data first.

- Will
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Old 12-26-2010, 08:09 PM   #25
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...But honestly, I would go with data first.

- Will
Currently weighing data (Racepak IQ3) vs. Giken myself. Irrationally, I want the Racepak since it will let me eliminate my abhorrent gauge setup and make me better as a driver, but I'm pretty sure the Giken will make the bigger difference in lap times. :(
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Old 12-26-2010, 08:58 PM   #26
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I kinda wish I didn't blow a wad of cash on the OSG (but I'm sure Emilio didn;t mind ) to better determine what actually made/makes me faster - ****, as far as I know I could be 3 more sec faster at my local track if I had a set of nuts to push it harder in the corneres. But I went from a viscoud LSD straight to the vballer of LSDs. excuse the typos - i'm 7 beers in to this thread

But, seeing how I have the OSG, my next step is the Xida sports - i don't have the cash to get the race. I shoud be able to tell the difference now with some experience under the belt.

Sure you wnat the race pack? The AIM systems look pretty tempting - but at twice the cash, dunno
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Old 12-26-2010, 09:50 PM   #27
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Originally Posted by GeneSplicer View Post

Sure you wnat the race pack? The AIM systems look pretty tempting - but at twice the cash, dunno
AIM is twice the cash and Racepak has a superior featureset. 3-axis internal accelerometer, standard GPS, three times the sensor inputs, predictive lap timing, GPS-based lap timing, and the list goes on. The Racepak is way superior.
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Old 12-27-2010, 09:38 AM   #28
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Sav - I don't know what the hell I was quite trying to say - if anything? Thanks for the input on the racepack - It was the Freedom Autosport guys tyring to sell me on the AIM. They had one in their SM I was playing with.

But Bob doesn't need one here, so - I'd say go with the Xidas 1st, power aint nothing until you can control it, assuming your T2 is still working.

Last edited by GeneSplicer; 12-27-2010 at 11:02 AM.
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Old 12-27-2010, 10:28 AM   #29
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Originally Posted by emilio700 View Post
I'd say Xida by a small margin over the diff.

Lowering lap times in a 160whp track Miata is all entry speed. Exit speed doesn't change much.
Yes, I win Jake! Plus, you could sell your koni setup to me Bob! Help fund your xida s, or use the cash to get the top xida.
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Old 12-27-2010, 04:13 PM   #30
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Well on closer inspection to funds it looks like the OSG is doable and the XIDA not really. And I am pretty set on the high end XIDA double adjustables because one thing I have learned about myself when it comes to spending money on my hobbies, buying the lesser product due to slightly less cost pain almost always ends up costing more in the end.

Bob
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Old 12-27-2010, 04:17 PM   #31
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Originally Posted by bbundy View Post
Well on closer inspection to funds it looks like the OSG is doable and the XIDA not really. And I am pretty set on the high end XIDA double adjustables because one thing I have learned about myself when it comes to spending money on my hobbies, buying the lesser product due to slightly less cost pain almost always ends up costing more in the end.

Bob
You pay a small penalty for the upgrade path, but you can go from Xida Clubs to Xida-S to Xida doubles without buying new shocks each time. I've driven doubles and Clubsports, and there's not a massive difference between the two.
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Old 12-27-2010, 04:22 PM   #32
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Sav - I don't know what the hell I was quite trying to say - if anything? Thanks for the input on the racepack - It was the Freedom Autosport guys tyring to sell me on the AIM. They had one in their SM I was playing with.
That's actually the only benefit of the AIM - user base. If everyone at the track has the same system, you can swap data between cars and see where you can be faster.

I have a MyChron3 on my shifter kart, it's awesome, and AIM is an awesome company to work with (at least for karters) but I bought it in 2004 and the Racepak is definitely a big jump ahead at this point.

Honestly, I'm just excited to have a rev counter back in the black car - 18 months of shifting by sound
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Old 12-27-2010, 05:19 PM   #33
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zOMG us California guys all have AIMdashes in our awesome racecars vote yes on prop 19 free Tookie I'm the Governator blah blah blah blah

I'd kill you all for an AIMdash.
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Old 12-28-2010, 12:04 PM   #34
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Honestly, I'm just excited to have a rev counter back in the black car - 18 months of shifting by sound
Tired of the loud bang signaling shift tyme?
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Old 12-28-2010, 01:44 PM   #35
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You pay a small penalty for the upgrade path, but you can go from Xida Clubs to Xida-S to Xida doubles without buying new shocks each time. I've driven doubles and Clubsports, and there's not a massive difference between the two.
The XIDA Clubs look like an incredible value but one single feature, the shock tops are a step back from my current setup. I realize this feature will have very little effect on how well they work but it goes against my goal of having every single thing I change on my car to be better in some way than what it replaces. They are my rules and I make them up as I go along.

So the XIDA-S single can be re-built into an XIDA double? What’s the cost of doing that after purchase?

Bob
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Old 12-28-2010, 02:53 PM   #36
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Originally Posted by bbundy View Post
The XIDA Clubs look like an incredible value but one single feature, the shock tops are a step back from my current setup. I realize this feature will have very little effect on how well they work but it goes against my goal of having every single thing I change on my car to be better in some way than what it replaces. They are my rules and I make them up as I go along.

So the XIDA-S single can be re-built into an XIDA double? What’s the cost of doing that after purchase?

Bob
Best to call Emilio on that one - it's whatever the price gap between singles/doubles is plus a couple hundred bucks, but I'm not sure exactly how much.
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Old 12-28-2010, 03:36 PM   #37
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Bob- I understand your pain on the LSD aspect (I can't say much on the suspension). But after having been at the FM SC with you, I think you'll get more use from the OSG. Even with my fancy suspension and V710s out there, I was losing a fuckton of time to wheelspin....pretty much the first half of the track...esp. the hard left after the chicane that killed Elvis. It was a constant feathering of the throttle to try to regain traction. If my Ohlins weren't able to help me on this, then the answer for you should clearly be the OSG LSD. If I hadn't been fighting my LSD, I might have been damn close to your times....but only 1.8 sec off wasn't too bad for 130rwhp less than you

Gene- Bob's got the *****.
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Old 12-28-2010, 03:52 PM   #38
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..It was a constant feathering of the throttle to try to regain traction. If my Ohlins weren't able to help me on this, then the answer for you should clearly be the OSG LSD.
FYI, your Ohlins have almost an inch less rear damper stroke than the Xida. That's responsible for as much of the wheel spin as the Torsen is.
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Old 12-28-2010, 04:15 PM   #39
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Old 12-28-2010, 04:41 PM   #40
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Originally Posted by emilio700 View Post
FYI, your Ohlins have almost an inch less rear damper stroke than the Xida. That's responsible for as much of the wheel spin as the Torsen is.
Same problem I have experienced with Tein Flex. Can't get the stroke range set up right. Stroke is the one thing I think I have I think almost perfect with my current setup. Much better to have too much stroke and helper springs than preloading already stiff springs to get enough bump travel at the expense of precious little rebound travel

I will say I have driven an NB on Ohlins and I was impressed with how well they worked though.

Bob
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