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Old 08-14-2010, 09:16am   #61
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Yeah.... running in TTA I can only do so much. Heres an explanation/overview I posted on another forum.

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I'm setting this car up around an actual timetrials class and the corresponding wheel to wheel racing class. It's all based on power/weight ratio and then you have modification points you can "spend".

For TTA (timetrials class A) and the coresponding PTA race class (same modification rules as TTA, but actual wheel to wheel racing) A C5 Z06 Corvette can have a minimum competition weight of 3118lbs. Min comp weight is the weight of the car as it would come off track after a race. So that's with dirver and safety stuff and remaining fuel load.

Based on that I can have a minimum power/weight ratio of 8.7 lbs/power. 3118/358 = 8.71. The heavier I run the car the more power I can run.

Now on top of all of this stuff in the TTA class I can spend modification points. In this case I can spend 19 before I'd ahve to move up to the next class which is TTS which is where I ran the Panoz. In TTS there are no modification points... it's "anything goes" so long as you stay above 8.7lbs/horse. I've spent my 19 points as follows:

1. 7pts - C5 Z06 is docked 7 pts from the start for simply being what it is.
2. 9pts - Hoosier A6 tires 13pts, however since I'm running a smaller 275 all around I get 4pts back so it's actually 9pts. Running the smaller tire also allows me 0.4 back on the hp/weight ratio. So by running them I can be at 8.3 lbs/horse which is where I get the previously mentioned 370-375 max figure.
3. 2pts - T1 swaybars
4. 1pts - ATI Superdamper UD pulley/balancer
Total = 19

So I'm done.... that's why I'm running stock manifolds and a stock air intake w/ a drop-in filter etc. Everything else done to the car is a no-points mod. Updating to the 2004 spec shocks, '02-'04 spec H-pipe, '02-'04 spec air intake, fresh springs/oil pump/timing chain, etc. etc. are all "free" mods.

The nice thing about TTA vs. TTS is it controls cost. To compete in TTS I'd need coil-overs, a bit more power, and full aero.... another $10k in the car minimum.

Hope this helps some.... if you really want to learn more about it venture over to nasaforums.com • Index page and read up on it all.
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Old 08-14-2010, 09:25am   #62
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Looking Great.
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Old 08-15-2010, 12:07am   #63
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Got the front brakes all done and the brakes bled with ATE Superblue

DRM ducts completed w/ hose run to the ECS spindle ducts


DBA rotors in place


Calipers all cleaned up, Carbotech XP12s, Ti pad shims in place, and Stoptech lines in.
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Old 08-15-2010, 12:39am   #64
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Cool, ready to see her Run!!
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Old 08-15-2010, 09:49pm   #65
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Finished the front brake duct install and got the front bumper installed this morning. Had to go to a going away part for a friend of the GF so couldnt get it done 100%

Measured and cut a slot out of the Z06 bumper screen for the front tow hook.


Installed


Stock brake duct. In OEM form it just blows air aimlessly into the wheel well.


Trimmed to mate w/ the DRM extension allready in place.


Slipped in place


Secured w/ 2 set screws then covered w/ gorilla tape, then I covered the area around the DRM extension that I had to cut out to get the duct through.

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Old 08-17-2010, 10:20pm   #66
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Took the car out for about 30 min tonight to get it good and hot and heat cycle the springs. Got the oil temp to 200, but it quickly dropped back in the 180s cruising so the oil cooler really works. One of my heim-joint endlinks (the RF) is really clanky, not sure if that means it's wearing out, but I knew they would click/clack some. I can grab the RF by hand and jiggle the center section back and forth and make it clank. The other 3 are movable, but much stiffer. Is this something I can address?

Problem I'm now facing is ride height... I have the car lowered to the max w/ the stock adjusters and it's still riding really high. Guess that's what happens when you take so much weight out of the car. Might have to dig into it and modify the spring adjusters to get it lower. Anyone run into this when gutting a C5?

Didn't notice anything negative from the Pfadt poly motor mounts. Some have complained about excessive vibration.

4x4 status w/ my junk shake-down street wheel/tire setup


Hood back on
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Old 08-18-2010, 05:32pm   #67
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Nice!

I bet if you bought the hardbar height adj. you could shave down the delrin to the height you need and get it as low as it can go!

My .02 cents

Looks good, nice thread, Good luck!

Mario
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Old 08-18-2010, 05:48pm   #68
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Quote:
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Problem I'm now facing is ride height... I have the car lowered to the max w/ the stock adjusters and it's still riding really high.
Put on the C6 front bolts, and the longer rear bolts I gave you.

Looking great BTW !

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Old 08-18-2010, 06:06pm   #69
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Congrats on getting to the point you can road test her Brian
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Old 08-18-2010, 07:11pm   #70
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congrats brian im sure your happy to have it drivable now, awesome build by the way. Finally seeing one of your build threads and how detailed they are shows me how much time and work went into my car. Keep up the good work!
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Old 08-18-2010, 10:47pm   #71
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Quote:
Originally Posted by Toque View Post
Put on the C6 front bolts, and the longer rear bolts I gave you.

Looking great BTW !

Toque
The C6 front adjusters are on the vert, but I do have the rear LG bolts in the garage. I may pull the C6 adjusters off of the vert this weekend and swap over. I don't need them on the vert anyway because I've raised it back up to "lowered on stock bolts" height.
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congrats brian im sure your happy to have it drivable now, awesome build by the way. Finally seeing one of your build threads and how detailed they are shows me how much time and work went into my car. Keep up the good work!
Thanks man... I assure you I was just as thorough if not more in the yellow car. BTW you have the same balancer but w/ AC on that one.

Picked the car up from RaceWerks this evening. Results are as follows:

Weight - 2840 (1/2 tank of gas), so about 250lbs lighter than a stock car w/ a 1/2 tank.

Alignment results:

LF - 2.54 RF - 2.27

LR - 0.93 RR - 1.67

Cross-weight 50.3%

Going to get a different camber block to get the LR closer to 1.50 neg camber. Redid my swaybars tonight because I realized I installed them with the suspension unweighted.

Katech manual belt tensioner installed...
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Old 08-23-2010, 09:46am   #72
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Custom fit Ultrashield, I/O port seat back brace, and Sparco 6-pts installed along w/ some finishing touches...





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Old 08-24-2010, 10:16pm   #73
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Thanks to Racin' Jason for the phalic Hardbar shift knob... looks a bit "odd", but it's really nice to have to so close tot he steering wheel. It's my favorite in a track car. Also got the Traqmate installed.


Started stickering-up the car too
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Old 08-25-2010, 07:18am   #74
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Quote:
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Started stickering-up the car too[/IMG]
Ricer...

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Old 08-25-2010, 08:28am   #75
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Hey when there's contingency money on the line you sort of have to have their stickers on the car
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Old 08-25-2010, 08:45am   #76
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Quote:
Originally Posted by Cobra4B View Post
Hey when there's contingency money on the line you sort of have to have their stickers on the car
I was kidding of course...
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Old 08-25-2010, 10:29am   #77
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Don't forget this one.

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Old 08-25-2010, 05:16pm   #78
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I'm thinking more along the lines of.....



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Old 08-25-2010, 08:12pm   #79
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Quote:
Originally Posted by Toque View Post
I'm thinking more along the lines of.....



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Old 08-26-2010, 02:46pm   #80
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Just got the call from Virginia Speed.... 361 rwhp on whatever their idea of a "very conservative road racing tune" is. Dropped her off this AM as it ws the only appointment they had open for the past 1.5 weeks before this weekend's event.

Good thing I didn't put that CAI on the car.... I can't make more than 370 rwhp baed on mhy calculations : 3118/370 = 8.43.

Not bad for a darned near stock 2001 w/ almost 120k on her.
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