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NASA PT/TT thread

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Old 11-04-2013 | 10:08 AM
  #251  
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Well, I got the chance to walk ECR and it seems it would be hard to shave time off as the turns are tight with lots of elevation and camber changes; the correct lines don't seem trivial, so I'll be back next year.

Plus, the NASA TX folks are great so it is a racing and social event, all in one weekend.
Old 11-04-2013 | 10:15 AM
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Exciting news for 2014:
* NASA Nationals split in East and West
* NASA East Championship at Road Atlanta
* NASA West Championship at Sonoma Raceway
* Mazda Motorsports sponsoring "Mazda Race of NASA Champions" for the winners of East and West Championships. Mazda providing spec'd Miatas for the race
Old 11-04-2013 | 02:08 PM
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That's awesome!
I love RA
Old 11-04-2013 | 02:13 PM
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Originally Posted by slvrstreak
That's awesome!
I love RA
When have you been up here?

Old 11-04-2013 | 02:18 PM
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Old 11-04-2013 | 02:26 PM
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Originally Posted by TeamRX8
EC is such a lousy track layout too, but if she's gonna blow then that 's the place it will happen since its pretty much just a series of drag strip straights connected by tight turns. I'm a bit shocked you'd drive all that way to run there.
season points are season points

not much of a drag strip from T3-5 and T7 - T10 (ie it has its fun parts)

though I will agree it's a little more fun to race on than just do TT. Though in the end I'd take EC over Cresson 1.7 or MSRH

Last edited by kbrewmr2; 11-04-2013 at 02:28 PM.
Old 11-04-2013 | 04:00 PM
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Well, a heavy hitter from TT-B decided that he's going to run in TT-C next year and will probably crush everyone... might be considering trying to take enough weight out to move up to TT-B and use a base class of TT-C* and run 275 Hoosiers, if I could make 220WHP I think my minimum weight would be around 2700lbs but that's a lot of weight to take out... maybe need to start a diet for both myself and the car LOL.

Also this got here last week:

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Old 11-04-2013 | 06:50 PM
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Kind of goofy looking
Old 11-04-2013 | 07:13 PM
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That's an odd wing
You can lose that much weight easy
I got the car down to 2450lbs pre-cage
Old 11-04-2013 | 07:51 PM
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A person + roll cage adds up over the min quickly
Old 11-04-2013 | 07:51 PM
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Won't be once it's mounted. Most of the uprights will be inside the trunk.

To get down to that weight did you need to go to Lexan for the front and rear windows?
Old 11-05-2013 | 12:53 AM
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Just got my car weighted this weekend (what else can you do after a blown engine?).. Deducting my estimated weight, it is at 2,735 with a hefty roll cage, a full tank of gas and 50 lbs of ballast weight.
Old 11-05-2013 | 05:48 AM
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I did but, the rear windshield really isn't heavy at all
You're right Team the weight adds up quick but, there's still ~450lbs that can be lost
Well actually I'm not sure what you guys can strip so I guess it's much less really
Old 11-05-2013 | 08:25 AM
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The NASA min weight limit includes the driver.
Old 11-05-2013 | 09:18 AM
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Yup. "Minimum Competition Weight" must be met at any time; typically, after a session you get asked to take it the scales. I set the car up to meet minimum weight with 1/2 gas tank.
Old 11-05-2013 | 12:00 PM
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Just got these in
Will probably still go with the Koni 2812s but, I couldn't pass these up for the $

Full track Ohlins valved for higher rate Swift springs

NASA PT/TT thread-forumrunner_20131105_115756.jpg
Old 11-05-2013 | 06:50 PM
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Thinking out loud here.

If I dropped the base class even further from TT-C* to TT-C in order to compete in TT-B my minimum weight might be more in an achievable range for me (I am 6'5" and 255lbs with all race gear on). Maybe like 2800 with me in it and half a tank. Right now it's right around 3000 but still has a lot of crap in it that could be removed. If I did this I would end up dumping those points into more aerodynamics modifications but not sure how worthwhile it'd be. Doing this would also increase my base tire size which also gives me an extra 3 points to play with, bringing the total number of points I need to find out how to use to 10 if I do TT-B with a base class of TT-C.

At this point I'm going to get the new motor back in, see how much power it makes and go from there, it's all dependent on what the dyno says so I can't make a decision until then. The plan is to get everything sorted, get dyno reclasses for competing in TT-C and TT-B, shake down the car in TT-C and if the grass looks greener on the other side I can start taking weight out and mod up a bit for TT-B.


Wishing I could make enough power to be in big bore lol...
Old 11-05-2013 | 08:36 PM
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Originally Posted by slvrstreak
Just got these in
Will probably still go with the Koni 2812s but, I couldn't pass these up for the $

Full track Ohlins valved for higher rate Swift springs

Attachment 199324

I use those. They work very well and have taken over two seasons of abuse with no problems.
Old 11-05-2013 | 09:13 PM
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Same here! I've had them for only 1 season but I couldn't be happier. The way they absorb bumps is beyond impressive compared to a BMW I co-drive which is equipped with Nitron's.
Old 11-06-2013 | 07:46 AM
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Any suggestions on a good starting point for adjustments on them?
Compression, rebound, etc
Old 11-06-2013 | 08:42 AM
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Judging by the hole in the box it looks like they must of been delivered by UPS ....

I probably should have seen and raised you with a pic of the (10) 240/610-17 Yokohama Advan A005 slicks in FIA Touring Car spec-compound that were delivered yesterday ...
Old 11-06-2013 | 09:41 AM
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Jealous
Then I'd have came back with pics of the race car
Not very appealing considering it's in pieces right now though lol
Old 11-06-2013 | 09:43 AM
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Does anyone have experience with the Hankook Z214 C71/51? Tire Rack has an attractive closeout sale (~$600/set). I'm seriously considering the C71 in 225/18 for use with NASA TT next year. From what I've read, they should be somewhere between the A6 and R6 in time...

Thanks
Old 11-06-2013 | 10:05 AM
  #274  
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71s probably better for TT use. $600/set is attractive... may have to get on that myself.
Old 11-06-2013 | 10:08 AM
  #275  
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Originally Posted by Arca_ex
Thinking out loud here.

If I dropped the base class even further from TT-C* to TT-C in order to compete in TT-B my minimum weight might be more in an achievable range for me (I am 6'5" and 255lbs with all race gear on). Maybe like 2800 with me in it and half a tank. Right now it's right around 3000 but still has a lot of crap in it that could be removed. If I did this I would end up dumping those points into more aerodynamics modifications but not sure how worthwhile it'd be. Doing this would also increase my base tire size which also gives me an extra 3 points to play with, bringing the total number of points I need to find out how to use to 10 if I do TT-B with a base class of TT-C.

At this point I'm going to get the new motor back in, see how much power it makes and go from there, it's all dependent on what the dyno says so I can't make a decision until then. The plan is to get everything sorted, get dyno reclasses for competing in TT-C and TT-B, shake down the car in TT-C and if the grass looks greener on the other side I can start taking weight out and mod up a bit for TT-B.


Wishing I could make enough power to be in big bore lol...
Incorrect statement in bold - your reference tire width is tied to your BASE class, not competition class.


The following tire sizes will be used as the base tire size for each
Base Class for all
vehicles regardless of their OEM tire size(s) or their Final Competition Class. All vehicles in
a given base class may use this tire size (or smaller) without a points assessment:
TTA: 295 mm (2013 Regional TT3/TTA exception only), TTB: 265mm, TTC: 255mm,
TTD: 245mm, TTE: 235mm, TTF: 215mm, TTG: 195mm, TTH: 175mm
emphasis added

an F car modified up to B still is referenced off a 215
a B car still in B is still referenced off a 265
a C car modified up to B still gets stuck looking at the difference in a 255
etc
etc

It still may be very wise though to drop an asterix in your base class if the weight you're given now isn't very achieveable and be able to spend those points on other parts.


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