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HFC + Exhaust + Intake = 12's?

Originally Posted by wstar The DA thing isn't about discrediting anyone. It's just a useful way to really compare numbers. Otherwise someone who lives in a bad climate for drag

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Old 06-05-2009, 11:34 AM   #76 (permalink)
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Quote:
Originally Posted by wstar View Post
The DA thing isn't about discrediting anyone. It's just a useful way to really compare numbers. Otherwise someone who lives in a bad climate for drag racing really has no way to compete or compare with anyone else.
True, but shouldn't you take the times with high DA and convert them to a more normal condition, then to take times posted in good DA conditions and convert them to bad DA conditions, making the times seem bad?
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Old 06-05-2009, 11:41 AM   #77 (permalink)
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Well his point was that your car would run a crappy time at his track, not that your time was crappy. It's just a track comparison.
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Old 06-05-2009, 11:45 AM   #78 (permalink)
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Originally Posted by wstar View Post
Well his point was that your car would run a crappy time at his track, not that your time was crappy. It's just a track comparison.
True I guess! Just don't like seeing it that way. I mean I know it sux for him that he has to run there, but use DA calc to his advantage and show what he should be running instead!
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Old 06-08-2009, 07:15 PM   #79 (permalink)
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Originally Posted by Phimosis View Post
When your talking NHRA, the limiting factor is traction, not power. If you have 105F ambient temps with 200F Aspalt, you get incredible traction. If you're only making 7,200 hp in that condition vs. 8,000 hp on a track with 65F asphalt, you'll pull a very low ET even though your trap speed is low. On a 332 hp car in those conditions, making 298 hp will kill your ET and trap because traction was never a (big) problem. (I used 90% of max power in both calculations).
The top 335i's on dragtimes have all set the records at Famoso. Someday I'm going to make it out there, maybe fly out for a weekend. But I understand what you're saying.

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Old 07-15-2009, 02:29 AM   #80 (permalink)
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Well, I finally went out and ran my Z. Worse than I expected at Famoso.

8pm at night, 94 degree track temperature. Density altitude = 3186. Something bad happened with track prep. Guys that I know that run 11.5's were turning 12.5's because no one on street tires were getting traction.

On 91 octane I turned 14.0 @ 101.8 with a 2.3s 60 foot which was all spinning with 3500 rpm launch. Used 8,000 rpm shift point. With traction control on I ran 14.4s. Looks like I'll have to wait until fall to see some decent numbers at this track.

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Old 07-15-2009, 10:38 AM   #81 (permalink)
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101mph, nearly 102mph, is a healthy trap at that DA. However I would have hoped for a tad more with your mods.

I trap nearly the same(100 to 101mph) in similar conditions in my sedan, which puts down ~265whp.
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Old 07-16-2009, 02:55 AM   #82 (permalink)
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Quote:
Originally Posted by Phimosis View Post
Well, I finally went out and ran my Z. Worse than I expected at Famoso.

8pm at night, 94 degree track temperature. Density altitude = 3186. Something bad happened with track prep. Guys that I know that run 11.5's were turning 12.5's because no one on street tires were getting traction.

On 91 octane I turned 14.0 @ 101.8 with a 2.3s 60 foot which was all spinning with 3500 rpm launch. Used 8,000 rpm shift point. With traction control on I ran 14.4s. Looks like I'll have to wait until fall to see some decent numbers at this track.

-Phim
Yikes, that's slower than stock...Time for tires?
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Old 07-16-2009, 09:57 AM   #83 (permalink)
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Yikes, that's slower than stock...Time for tires?
Run sounds fine compared to what others were running, sounds like bad track and high altitude.
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Old 07-16-2009, 11:28 AM   #84 (permalink)
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Yikes, that's slower than stock...Time for tires?
A 2.3 second sixty isn't very good, but even with a 2.1 second sixty he would have seen about a 13.7 second run with that trap speed. It was definitely the altitude/air that hurt him the most.
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Old 07-17-2009, 07:03 PM   #85 (permalink)
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MY 7 AT sport ran a 13.201 with stillen intake and 4.08 gears. I hit the rev limiter in 4th and missed 5th.
RWHP 286.
0 to 60 using 1/8th mile time and trap = 4.41 seconds with a 2.09 60 ft time on 19 inch tires.
I would say when I install the headers, cats, exhaust and a Cob tune it will go 12.7 to 12.6. bo problems. The problem is the rear tires.
I have to get a different valve stem for my formula 5's so that they clear the calipers on these rims. I have toyo tires 275/35 19 that i run ay 23 to 25 lbs and i get 1.89, 60 ft times on my 5 AT 350 stillen Z.
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Old 07-17-2009, 09:45 PM   #86 (permalink)
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How do you miss 5th in an auto? Is the 370z auto tranny different than others? I know on my EvoX I could bang the limiter, but not miss a gear?
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Old 07-17-2009, 10:33 PM   #87 (permalink)
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I had it in MM and i shifted to late. It hit the limiter at 7500.
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Old 07-28-2009, 10:27 PM   #88 (permalink)
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wow...12s are looking tough so far. Hopefully as we get cooler we can see 12s! i just dont get how stock HRs got 13.1s that sounds like a feat.
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Old 08-02-2009, 04:18 AM   #89 (permalink)
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It's the middle of summer, around sept. we should see some 12s Famoso is a badass track, at LACR in the heat of summer I ran 12.3, the next week we went to famoso and at 100+ degrees I hit 11.93.
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Old 08-03-2009, 02:54 AM   #90 (permalink)
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LACR is the most garbage track ever. The elevation PWNZ you.
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