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-   -   Took her to the 1/8 mile strip... (http://www.the370z.com/track-autocross-drifting-dragstrip/17437-took-her-1-8-mile-strip.html)

Jason 04-10-2010 12:01 AM

Took her to the 1/8 mile strip...
 
This was my first time taking the Z (Base Sport 7AT) to the local 1/8 mile drag strip. The first run was my best (ET: 8.2, MPH: 83.3, 60': 1.6). It was harder to find traction as the night progressed. Reaction time on that run was terrible; it had been a while since I went to the track in my last car (FWD with 200hp - two very different machines so I was learning all over). Best reaction time tonight was 0.122, although my main focus was ET.

Had a great time running some friends in their Camaro SS and Genesis 3.8. I got a few runs in and was happy to see the oil temp stay at/below 220.

Just thought I'd share :)

EDIT: 370Z (LEFT) vs Genesis (RIGHT)
http://i799.photobucket.com/albums/y...0z/j040910.jpg

jtown82 04-10-2010 01:33 AM

8.2 and a 1.6 60ft...? im assuming your not on stock tires?

Jason 04-10-2010 01:53 AM

I have the stock Bridgestone Potenza RE050A tires. They're not in the best shape either for their mileage, but that launch was smooth overall (r/t aside).

I'm dying to take it out to the 1/4 mile track but it's almost two hours away and they do test/tune on Wednesdays and some Fridays so it's hard to find the time.

DIGItonium 04-10-2010 09:34 AM

As the night progressed, how did your car run? How did your friends do?

jtown82 04-10-2010 11:35 AM

8.2 1/8 is good enough for 12's with good enough traps. i ran a couple 8.4@86 mph in my 2001 trans am and wound up running 13.0@107. with 2.0 60fts

id def like to see you get down in a 1/4 track that has a good prep. when i seen C&D or M/T i foget which that took a Z to 13.1@108 i figured 12's is possible under good conditions at a low altitude low DA track

Jason 04-10-2010 01:08 PM

Digi, I was averaging 8.5-8.6 the rest of the night. The Genesis 3.8 (6AT) did well with very low 9's. The Camaro SS (6MT) was running high 8's.

jtown, speaking of prep, this track sucked! They laid down some VHT before my last run and some street cars kept driving through the water box - I had to chirp the tires a tiny bit at times before going. I'm not saying I would've ran better than 8.2 (maybe with a new set of tires), but it would've been more consistent.

Mercennarius 04-10-2010 02:04 PM

Can you scan and post the time slip for us???

Take it to the 1/4 mile now ;)

m4a1mustang 04-10-2010 02:05 PM

Scan the slips. 1.6 60' is slick tire territory. Fishy.

Jason 04-10-2010 03:27 PM

I attached a slip scan on the first post. In case captain obvious is on the forum, yes, I know my reaction time sucked on that run.

m4a1mustang 04-10-2010 03:31 PM

Like I was saying before, 1.6 60' is slick tire territory. I'm not saying anything bad about you... I just think something is fishy about the timing & scoring on that run.

Jason 04-10-2010 03:47 PM

My tires are close to looking like slicks! Haha.

No worries, man. It was a last minute thing so before I went out, I did a quick search and found several 8.3-8.4 ET's. I was surprised since that was my first run in a while. I wouldn't rule out a glitch, although I didn't hear anyone questioning their times. We'll see how it goes whenever my friends set up a trip to the 1/4 mile track in Palm Beach.

fullmonty 04-10-2010 04:03 PM

Pretty good times!

370Zsteve 04-10-2010 04:07 PM

1 Attachment(s)
Quote:

Originally Posted by Jason (Post 490322)
I attached a slip scan on the first post. In case captain obvious is on the forum, yes, I know my reaction time sucked on that run.

http://www.the370z.com/attachment.ph...1&d=1270933619

370Zsteve 04-10-2010 04:08 PM

Quote:

Originally Posted by m4a1mustang (Post 490185)
Scan the slips. 1.6 60' is slick tire territory. Fishy.

Jealousy! :stirthepot:

m4a1mustang 04-10-2010 04:09 PM

Quote:

Originally Posted by 370Zsteve (Post 490359)
Jealousy! :stirthepot:

:shakes head:

Jason 04-10-2010 07:31 PM

Quote:

Originally Posted by 370Zsteve (Post 490357)

i knew he'd be here somewhere!

DIGItonium 04-10-2010 07:39 PM

Nice runs... definitely like to see you open her up more with the 1/4mi.

Jason 04-10-2010 08:09 PM

she will get de-virginized after the next oil change :tup:

jtown82 04-10-2010 08:32 PM

its not jealousy to be suspicious of the 1.6 60ft time. alot of cars with more power and tq dont even pull that. i hate the tearm freak of nature. but its true not all engines are created equal. 8.2 and 1.60 60ft. i dont think even Zterm got that good a 60ft and dont remember his 1/8 time. but your time is faster than most hfc/intake/drag tire modded Z's.

but like i said C&D took it to a 13.1@108 stock. and they are not always known for the best 1/4 times. heck they took a ls1 bird/maro one year and made it run a horrible 13.7 in the review.

chuckd05 04-10-2010 09:15 PM

lol, i pulled a best of a 2.0 one time in my 6m. and all the others were 2.24 or higher lol

Autos def seem to fair better on the track... Im quicker than my buddies full bolt on auto from a roll though, 1000000% sure of that.. never went to track together , we have to get there to see...

Im ordering radials for next time though, us 6m guys need it more I guess

jtown82 04-10-2010 11:01 PM

Quote:

Originally Posted by chuckd05 (Post 490810)
lol, i pulled a best of a 2.0 one time in my 6m. and all the others were 2.24 or higher lol

Autos def seem to fair better on the track... Im quicker than my buddies full bolt on auto from a roll though, 1000000% sure of that.. never went to track together , we have to get there to see...

Im ordering radials for next time though, us 6m guys need it more I guess


only thing is the m6 has no advantage over the a7 in top end either.

Z eliminator 04-11-2010 12:08 PM

My 60 ft times on stock 19 ich tires was 1.9640 and my 1/8 th was 8.3230 @ 86.36.
The 1/4 was 12.8009 @ 110.33
It's a 7 At with 292 WRHP for that run.
The times he posted seem a little quick for i can not cut those 60 ft times on stock tires.
What air preasure did you run?

Jason 04-11-2010 01:11 PM

Before that run, i brought it down to 35 psi (hot). When I checked it the following morning it was about 32-33 all around. I read a post where someone said they brought it down to 27. That seemed a little low to me (I had a long drive home lol), although it would've probably been a good idea later on since I wasn't catching traction till 3rd gear.

Nice trap/time on that run, eliminator. Are you stock? I haven't dyno'd mine yet or researched average WHP for stock 7AT's so I'm sorry if that question was a bit amateur. :tiphat:

jtown82 04-11-2010 02:48 PM

im thinking 255 rwhp is like a ave baseline rwhp stock seen some hit 260 and i think like one person hit 270? but Zterm isnt stock. thats why i brought him up. because you basically ran a faster 1/8th that him when he has a few mods.

i dont even see a 370z with slicks doing a 1.60 60ft. it just doesnt have the tq to pull it in stock form. id have to guess 1.8 or a 1.77/79 would probly be the max in stock form. either the timer at that track malfunctioned or they gave you a wrong slip or you have a true Freak engine in your Z. and im by no means hating. just alot of us who are avid drag racers know what it takes to cut 1.6 and such 60fts you need to get your car on a dyno.

Jason 04-11-2010 03:23 PM

I hear ya, j. I’m not claiming its right either, nor was my intention to brag. I don’t care much for racing anymore and just went out to have a good time. I would’ve posted a thread about my experience if I only managed to pull 9+.

My other runs averaged 1.9-2 second 60’ times, so it’s all possible (hoping for the freak engine part:icon17:). I’m pretty sure it wasn’t the wrong slip because my buddy’s run was on par with his others. But I have seen some impossible-looking slips due to timer malfunction so I won’t rule that out.

I’ll probably bring this thread back from the dead or create another whenever I dyno or 1/4 mile track this thing.

Dan37TZ 04-11-2010 05:21 PM

Wow 1.6 60 fts. The best I managed with my 300+AWHP STi was a 1.75 60ft on VERY sticky RE070's on all four corners, same tires as the Nissan GT-R.

Even with slicks with our IRS rear suspension, it's hard to swallow 1.6 60ft.

jtown82 04-11-2010 05:28 PM

dont worry jason. i dont think anyone is trying to say your bragging or making anything up. those computers somekinds give off the wall times. if you look on dragtimes.com the guy who has the 13.1 or the 2nd fastest 370z on there. look at his 1/8 trap 23mph.

more than likely it glitched and it it uses the 60ft 1/8th and 1000ft to calculate your time. if one gets scewed all of them can be affected by it

Jason 04-11-2010 05:41 PM

60' time aside, is the 8.2@83.3 believable stock? Trap speed looks good, but then again I had an 86 trap on another run with a higher ET. How is that possible?

RE070's are sweet. I think my friend's S2000 CR came with those.

jtown82 04-11-2010 06:32 PM

hard to say. but i would have to say 8.2 is to quick for stock. these cars dont have the tq stock to pull hard down low. i think pretty much a high 8.3 would probably be the lowest possible. pretty much looks like 8.4 to 8.5 is on the good side.

and if your spinning off the line your trap will sometimes increase but you obviously will get a slower time. i cant really tell you or explain all the physics behind it but it happens often.

m4a1mustang 04-11-2010 07:52 PM

8.2 is definitely too quick. I think 8.6-8.8 at that mph is much more likely. My guess is there was a delay from when the start laser was tripped to when the et started recording.

Jason 04-11-2010 10:08 PM

Quote:

Originally Posted by jtown82 (Post 492227)
and if your spinning off the line your trap will sometimes increase but you obviously will get a slower time. i cant really tell you or explain all the physics behind it but it happens often.

No, that makes sense. I knew it had to be something as simple as that, it just wasn't comin' to me. 'Appreciate the info!

I won't dismiss the time/trap because I think, given perfect conditions, it might be possible. That run felt pretty damn close to perfect, especially in comparison to the others. I caught traction right away and shifted perfectly (fast fingers, TWSS). You guys have more experience than I do on the subject though so I'll just take the ET with a grain of salt.

Z eliminator 04-12-2010 08:04 AM

My base line was 260.5 with a hot moter and 265 when the engine cooled down.
My 305 35 18 drag radials should be here this coming friday.
I took my 370 out for a little practice on the service roads and i can tell you that at 35 psig the tires just spin in 1st gear and slips through 2nd.
The car is a living terror.
When i ran the 12.8009 my preasure was 27 psig ( cold tires).
im hoping to run in the 12.5's or lower when i get the drag radials now that i have 320.1 rwhp (standard hp) or 310.1 SAE rwhp.

jtown82 04-12-2010 08:30 PM

will be interesting to see Znator what imma call you from now on heh. does the 370z have TQ management in the ECU? i know my 2001 trans am did and i never had it reduced and it was cutting my power when i was launching with my E.T streets because of the grip i was getting off the line. not sure if the Z's have that or not? also dont forget to air up your front tires higher. less rolling resistance.

03threefiftyz 04-13-2010 02:48 PM

No offense, but either the timing equipment was malfunctioning or you lined up with your rear tires. Not possible with IRS, relative low hp, and worn street tires to pull 1.6.

Jason 04-13-2010 03:49 PM

And I don't mean to offend or suggest you have a reading disability but the possibility of a timer malfunction has already been discussed.

In response to your second comment, I actually got a 30' head start and asked a track employee to place their hand by the starting sensor. :shakes head:

03threefiftyz 04-13-2010 04:01 PM

I've seen it half a dozen times were someone lined up with their rear wheels.....It's actually only about a 10' by the way.

Edit...it should also be a red flag that your other passes were 1.9-2.0...Its not my intent to "hate" but you didn't pull a 1.6.

m4a1mustang 04-13-2010 04:03 PM

Quote:

Originally Posted by 03threefiftyz (Post 495110)
I've seen it half a dozen times were someone lined up with their rear wheels.....It's actually only about a 10' by the way.

I don't really know how the track crew would let that fly, but anything's possible (not saying the OP lined up this way).

03threefiftyz 04-13-2010 04:08 PM

Quote:

Originally Posted by m4a1mustang (Post 495111)
I don't really know how the track crew would let that fly, but anything's possible (not saying the OP lined up this way).

Well, I do go far more often than most....at least twice a month, but it happens. Usually when the starter has his head turned and one car stages while the other is still doing burnout, etc. It's rare, but happens.

Jason 04-13-2010 04:50 PM

Quote:

Originally Posted by 03threefiftyz (Post 495110)
I've seen it half a dozen times were someone lined up with their rear wheels.....It's actually only about a 10' by the way.

Edit...it should also be a red flag that your other passes were 1.9-2.0...Its not my intent to "hate" but you didn't pull a 1.6.

I never claimed to have pulled a 1.6. If you read the thread, I've been open to all possibilities.

I didn't line up with my rear wheels... I was racing my friend. I think I would have noticed my car ahead of my buddy's to my right. I know it's not 30' - that was a separate sarcastic remark on my part. I thought you were trying to be a smart-***.

jtown82 04-13-2010 08:32 PM

i doubt he was lined up on his rear tires. most liekly just a timing issue. anyhow let the thread die now :P jason post again when you have went back with some new slips.


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