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Old 05-23-2009, 09:31 PM   #1
SharpByCoop
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Join Date: Jan 2009
Chapter/Region: Tri-State
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2008 Infiniti G37S
World's quickest: 11.13"

Default STI 1/8th = 7.44" @ 94mph Elusive Elevens...

Damn. I was REALLY hoping to get a chance to explore a quarter-mile ET with my setup. (Read about it here) Full-weight car. Junior claims he would drive this right into the low elevens. I believe him. What can I do?

My schedule is busy on weekends for the pending month and past, but I had one free saturday to give it a go..

Off to Island Dragway in northern, NJ for test and tune. Problem was, that is a racing event day for them. I had to pay $45 for possibly (3) runs (in their estimation). The glitches were rampant at the timing system. After spending an hour trying to fix one of the lanes, they decided not to spend any more time on it and would run all cars 1/8th mile only. Bah...!

I argued my case: In lieu of a refund, I made a deal with the manager, and he said I could get a $45 credit for a return pass if I left, but one pass would cost me $15 of that. OK, it's a deal. I was the first car down the track, and would be the first to leave.

Here's the in-cockpit vid:

Time card:



Well, according to Junior and Jimmy K, That run would have landed me solidly into the upper elevens. The MPH is a bit low, but there was a notable headwind, also.

Anyway, I spent an entire day for a decent pass, but the carrot still dangles in front of me.

Coop
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Old 05-23-2009, 09:39 PM   #2
Steve.804
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Mods? 4.8 330ft is SICK! Nice driving!
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Old 05-23-2009, 09:56 PM   #3
juanmedina
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never mind ...........
nice

Last edited by juanmedina; 05-23-2009 at 10:11 PM.
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Old 05-24-2009, 03:51 AM   #4
STi Mikey
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Quote:
Originally Posted by juanmedina View Post
never mind ...........
nice
Awsome job Coop!!! It seems your driving is getting better and better. Your slip sure does reveal your efforts. You will reach your goal in time, and i hope i am there to see you do it. PM me next time you go out, its been a while since I have been out to a track, and I'm due
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Old 05-24-2009, 03:48 PM   #5
wrxwhat
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thata definitely a mid 11 second pass
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Old 05-24-2009, 04:03 PM   #6
C J
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what turbo is this? That is moving!
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Old 05-24-2009, 04:16 PM   #7
SharpByCoop
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World's quickest: 11.13"

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Hi guys,

Thanks for the props. I'll be back....

Mods were linked in the first thread:

Tuned by JuniorJKZ at The Shop
Cobb AP 2.0 Engine management
Wiseco forged pistons
Kelford 272 cams, springs, retainers
H/D Cyl stud/bolts
Cosworth oil pump
AMR T60R stock location turbo (FP Red equivalent?)
AMR FMIC and ducts/hoses
Full AMR turboback exhaust
AMR Headers
850cc injectors / Walbro pump
AEM 100% Methanol dual nozzle injection


Jimmy K at The Shop has been VERY helpful in my progress. Those are 225/50x17" tires, BTW. It's a bit longer gearing than OEM supplied. Me likes it.

Coop
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Old 05-24-2009, 08:38 PM   #8
jasv11
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YAY!! great launch man
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Old 05-24-2009, 08:56 PM   #9
JK@THESHOP
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Quote:
Originally Posted by SharpByCoop View Post
Damn. I was REALLY hoping to get a chance to explore a quarter-mile ET with my setup. (Read about it here) Full-weight car. Junior claims he would drive this right into the low elevens. I believe him. What can I do?

My schedule is busy on weekends for the pending month and past, but I had one free saturday to give it a go..

Off to Island Dragway in northern, NJ for test and tune. Problem was, that is a racing event day for them. I had to pay $45 for possibly (3) runs (in their estimation). The glitches were rampant at the timing system. After spending an hour trying to fix one of the lanes, they decided not to spend any more time on it and would run all cars 1/8th mile only. Bah...!



I argued my case: In lieu of a refund, I made a deal with the manager, and he said I could get a $45 credit for a return pass if I left, but one pass would cost me $15 of that. OK, it's a deal. I was the first car down the track, and would be the first to leave.

Here's the in-cockpit vid:
YouTube - 7.44et @ 94mph 1/8th drag strip STI

Time card:



Well, according to Junior and Jimmy K, That run would have landed me solidly into the upper elevens. The MPH is a bit low, but there was a notable headwind, also.

Anyway, I spent an entire day for a decent pass, but the carrot still dangles in front of me.

Coop

Coop , thank you again and always for the kind words , it is unfortunate that you could not get a full pass in yeserday , but from the looks of things your getting the driving down pretty good , it won't be long now before you reach your goal of running in the mid to low 11 s and on your break in tune , it will be then time to turn her up and let her eat in search of that 10 sec pass - Jimmy
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Old 05-26-2009, 09:24 AM   #10
SuperSTI
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ummmm sharpbycoop. there is NO head wind in the 1/8th mile... lol just a little FYI


There is also a calculation for this I have seen used many times on this forum


So 7.44 (1/8th) * 1.65 (your 60ft) = 12.5et in a 1/4 mile

Last edited by SuperSTI; 05-26-2009 at 09:33 AM.
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Old 05-26-2009, 09:51 AM   #11
STi Mikey
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Quote:
Originally Posted by SuperSTI View Post
ummmm sharpbycoop. there is NO head wind in the 1/8th mile... lol just a little FYI


There is also a calculation for this I have seen used many times on this forum


So 7.44 (1/8th) * 1.65 (your 60ft) = 12.5et in a 1/4 mile
Absolutely NOT my friend. This pass would have been in the 11.6-11.7 range without any doubt in my mind. 12.5?? Should I show you the 14 timesplips I have where 7.62-7.7 have yielded me 12.0?

Coop is a gentleman with a passion for improving his driving skills and strives for bettering results. The calculator you used is only polluting this thread. When a mathmatical equation is configured and completed, before checking the work you have to ask yourself "does this answer make sense."

A car like this usually picks up 25-27 mph in the back half. Ok, 94 + 25 = 119.

12.5 at 119? Is that even possible if gears are not missed

At near full weight with that 60ft 11.6 would almost be an underestimation.

To further make sense of this conclusion, two gentleman this season have gone 11.3 @ 118 with slips and videos on (DOM III & FP RED)

Last edited by STi Mikey; 05-26-2009 at 09:58 AM.
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Old 05-26-2009, 10:49 AM   #12
juanmedina
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Quote:
Originally Posted by SuperSTI View Post
ummmm sharpbycoop. there is NO head wind in the 1/8th mile... lol just a little FYI


There is also a calculation for this I have seen used many times on this forum


So 7.44 (1/8th) * 1.65 (your 60ft) = 12.5et in a 1/4 mile
no way jose

the formula goes like this:

1/8th ET * (1.54-1.57) = 1/4th ET
So best case scenario he would have run a 11.45
Worst case scenario a 11.68

But you are right about the wind
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Old 05-26-2009, 10:50 AM   #13
SuperSTI
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Quote:
Originally Posted by juanmedina View Post
no way jose

the formula goes like this:

1/8th ET * (1.54-1.57) = 1/4th ET
So best case scenario he would have run a 11.45
Worst case scenario a 11.68

But you are right about the wind

my mistake. but atleast i was close with the formula

the wind is 100% accurate though. no head wind in 1/8th mile
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Old 05-26-2009, 10:59 AM   #14
SharpByCoop
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World's quickest: 11.13"

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Thanks guys, for the interest. Yes, it's all speculation. Educated speculation. (Thanks, Mike for the support).

Juan: Jeez, I wasn't thinking I was even that fast (theoretically). Excellent!

Postulation: In regards to a headwind, the flag was running straight back at the tower. 5-10mph wind? At almost 100mph there *may* be some significance.

I daresay if the wind was a tail at the same intensity, the MPH may have been 96-98 mph. It's not like the laws of physics go away for the eighth, they just aren't as affected.

Coop
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Old 05-26-2009, 11:02 AM   #15
juanmedina
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Quote:
Originally Posted by SharpByCoop View Post
Thanks guys, for the interest. Yes, it's all speculation. Educated speculation. (Thanks, Mike for the support).

Juan: Jeez, I wasn't thinking I was even that fast (theoretically). Excellent!

Postulation: In regards to a headwind, the flag was running straight back at the tower. 5-10mph wind? At almost 100mph there *may* be some significance.

I daresay if the wind was a tail at the same intensity, the MPH may have been 96-98 mph. It's not like the laws of physics go away for the eighth, they just aren't as affected.

Coop
Yeah man your trap is low for your power! I hit 7.545@94.155 with a VF39

Sick car

How do you like the turbo? Is it laggy?
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Old 05-26-2009, 12:00 PM   #16
STi Mikey
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Quote:
Originally Posted by juanmedina View Post
Yeah man your trap is low for your power! I hit 7.545@94.155 with a VF39

Sick car

How do you like the turbo? Is it laggy?
Juan, you have to remember that your car + you = 500+ lbs lighter than Coop and his car. Not to mention your 5 speed gearing. The trap isnt low, especially for a break in tune. Where you will do about 117 in the 1/4, Coop would have gone 119-121.
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Old 05-26-2009, 12:08 PM   #17
SharpByCoop
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World's quickest: 11.13"

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Hi Juan,

I've always been satisfied with AMR's T60R. With the addition of the cams, it's pretty mild under 4k. Not a pig, but less responsive than OEM. All that changes once the power starts to build, as well you know. I was describing to my non-driving wife how I have to modulate the throttle by letting off as the rpms and boost start acquiring.

Anyway, it's a sleeper in many regards. Cool!

Coop
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Old 05-26-2009, 12:32 PM   #18
juanmedina
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Quote:
Originally Posted by STi Mikey View Post
Juan, you have to remember that your car + you = 500+ lbs lighter than Coop and his car. Not to mention your 5 speed gearing. The trap isnt low, especially for a break in tune. Where you will do about 117 in the 1/4, Coop would have gone 119-121.
I know, after the 1/8th he would destroy me for sure.

Sick
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Old 05-26-2009, 01:15 PM   #19
C J
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I am tired of reading these threads with guys trapping 120+ I am so jealous of the topend, I don't know how much longer I can hold off from upgrading from the VF39. So sick.

Congrats.
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Old 05-26-2009, 03:14 PM   #20
oneoverWRX
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Without a doubt was a mid 11sec pass. Probably in the low 120s. Congrats.
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Old 05-27-2009, 03:08 PM   #21
Junior2JZ
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Congrats Coop and great driving..
I'm sure the 1/8th MPH will come up on a full pass.. Even if you let off a split second before the 1/8th the ET will not suffer as much as the MPH.
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