Hey ... WI Road America Guys ...

Why should a charger take 10 seconds off my lap times but only a few off PD's? I don't think it makes that big a difference.

I did 2:45's last year without the charger and have in-car tapes to prove it. 2:29's with an NA car is insane.
 
gobble said:
Why should a charger take 10 seconds off my lap times but only a few off PD's? I don't think it makes that big a difference.

I did 2:45's last year without the charger and have in-car tapes to prove it. 2:29's with an NA car is insane.

It all has to to with SCCA rules (weight, downforce, comp ratio, throttle body size, tire compound difference, boost limits etc) Both car set-ups were almost equal between the different seasons. If he could have run it as he did at NSXPO (no rules) he would be in the teens for sure. (never timed him that weekend duh!)

In your case, you actually bolted up close to another 100 bhp.
 
NSX 3.0 said:
Above post Ken (144 mph) fourth gear did I read it wrong.
Yes, you read it wrong. I said I did not need to upshift to fifth, so I was not going over 144. I'm not claiming that I WAS going 144, either. (I did need to upshift in the ITR, but the shift point in that car is 117, not 144.)
 
nsxtasy said:
Yes, you read it wrong. I said I did not need to upshift to fifth, so I was not going over 144. I'm not claiming that I WAS going 144, either. (I did need to upshift in the ITR, but the shift point in that car is 117, not 144.)


Ok Ken...My Bad...I assumed you meant you touched 144 in fourth.
 
brahtw8 said:
Some folks believe a one pound reduction in unsprung weight is worth 10 pounds of sprung weight reduction.

Do you have this backwards? Isn't it worth more to lose weight in the wheels and tires?
 
gobble said:
Do you have this backwards? Isn't it worth more to lose weight in the wheels and tires?

No, we are saying the same thing. Wheels, tires, calipers, rotors are all unsprung weight. Wheels and tires are even better because they are rotating mass in addition to being unsprung weight.
 
RP-Motorsports said:
Hey Ryan great dyno #'s. Is that with the Anytime race exhaust?

That and the Cantrell AIS. Nothing else.
 
Just scanned through 1.5 hours of tape from last year. 2:46 seems to be about the average lap. Some better, some worse. Traffic is sometimes an issue. The supercharger must make a difference if Steve got me at 2:46 in the second session last week. I was taking it easy on the brakes through most of it.
 
nsxtasy said:
Sure, go ahead and post them. Of course, you WILL post whether there was other traffic on each lap you timed, right? And you won't be posting lap times when someone was held up by traffic, or slowing to let traffic pass, right?

I'm with the slow poke on this one. :) I didn't have a single lap really worth timing my whole last time at RA... Well, a couple on low boost, but mostly it was a crapshoot whether I was on the gas on any given straight, or had all my charge pipes connected. So yeah, if you ask someone if they'll try to turn a few hot laps and he agrees, then time him and use that before passing judgement.

And, I'm glad no one posted anything worse than a 3:05 I noted.

But seriously, go ahead and post them, as long as it's with the clear understanding that someone may have been sandbagging in any given lap or whole session.

I think 10 seconds might be conservative for what the chicane adds. It might also depend a lot on how powerful the car is. A low HP car carrying 100+ around the kink will lose a TON of time having to crawl out of the chicane going 40 or so. (I don't know the speed there, felt slow though.)

-Chris
 
I had to mount the camera in my car upside down to make the mount work and finally figured out how to flip the video and burn to DVD. Would anyone be interested in watching a 1/2 hour DVD of me in my NA car last year to provide feedback on where I could shave a few second off my lap times? I'm not looking for the typical "you suck", "I'm faster than you" or "learn how to drive before buying a supercharger" type comments, but would appreciate any constructive feedback that anyone might have.
 
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