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what's a "reachable" goal for stock turbo cars in the 1/4 mile

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Old Jan 15, 2002 | 03:43 AM
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what's a "reachable" goal for stock turbo cars in the 1/4 mile

I'm talking about both ET and traps on regular radials. Also, I mean what someone who tunes a well running car can EXPECT to achieve, not the #1 ever best time on stock turbos. Also, what boost level would need to be ran to achieve this? Any regular upgrades are fine, except turbos.

thanks
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Old Jan 15, 2002 | 05:23 AM
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just a guess, but on stock turbos with street tires, maybe low 12's
with slicks maybe mid/high 11's
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Old Jan 15, 2002 | 07:49 AM
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14-15 psi on stock turbos
all bolt-ons and a well tuned computer - high 11s on drag radials
low-mid 12s on street tires
streetport will help too
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Old Jan 15, 2002 | 09:42 AM
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ok, I'm mainly interested in traps

I know ET is mainly driver dependent
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Old Jan 15, 2002 | 05:45 PM
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Probably the 110-120 MPH range
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Old Jan 15, 2002 | 05:53 PM
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ive seen traps as high as 124 on stock twins....but thats at about there limit. with all the bolt ons, slicks, and a ported motor, you can hit high 11s.
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Old Jan 15, 2002 | 06:18 PM
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On drag radials, w/ stock turbos, stock engine, and all the bolt ones(intercooler, intake, exhaust, big fuel pump, 1200cc secondaries, I ran 16lbs of boost and ran consistant 11.7's @ 119mph...
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Old Jan 15, 2002 | 10:24 PM
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My good friend went 11.1's on stock twins, I don't remember the exact MPH though I think it was like 121. Before anyone asks this was done WITHOUT nos, just straight up turbo.
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Old Jan 15, 2002 | 10:50 PM
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Originally posted by RX794
My good friend went 11.1's on stock twins, I don't remember the exact MPH though I think it was like 121. Before anyone asks this was done WITHOUT nos, just straight up turbo.
then im assuming he was at a beyond reliable limit of the turbos. either way...11.1 is damn impressive on the stockers! what kind of port job did he have done on the engine??
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Old Feb 4, 2002 | 09:34 PM
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I was in elevens @ mid 120's with balanced and blueprinted stock turbos @ 11.5 PSI running S02's the turbos have a lot more in them
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Old Feb 4, 2002 | 10:15 PM
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120's @ 11.5 psi.......
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Old Feb 4, 2002 | 10:43 PM
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Actually you would be pretty amazed at what five years at one of the top mechanical engineering schools in the nation will do for your knowledge of making machines faster.
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Old Feb 4, 2002 | 11:45 PM
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you go to Georgia Tech? i am at NCSU, and although we have a really good ME dept., we aren't nearly as good as you guys. i was considering a transfer in a year or so, but my first year sucked (lets just say it's hard for a 17-yr old to adjust to being alone) and my GPA is still not too good... one of my best friends is a Civil-E there.
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Old Feb 4, 2002 | 11:54 PM
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BS

I second that BS hahahah

Ive been to the track...Ive watched other modded sevens at the track and I havent seen any of them hit close to the rather optimistic numbers claimed in the posts above. maybe only shitty drivers are in so cal...I dunno.

Ill run my car at the track in a month or so...Ill post my numbers then. Even if I have the upgraded turbos Id be fully happy with high elevens. til then, Ill be waiting to see a stock turbo car with bolt ons and no port run in the 11's at all.

j
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Old Feb 5, 2002 | 12:11 AM
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well et is all driver/ launch...

MPH is all horse power
ernie was makin a decent amount of power on a ported engine with all the goodies.. and only just gettin 120mph
i dont car how smart u are u cant make a car faster with less boost unless your got n2o ...11.5 psi WILL NOT give you enough hp to pull 120'S in the 1320, its imean unless you started your run b4 the burnout box, thats abt the only way to go 120 on that much hp

personally id bet the only way u could do it on stock twins @11.5psi running 120's is with a preffireal ported motor with a standlaone and good tuning...
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Old Feb 5, 2002 | 12:15 AM
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Originally posted by PhilGURU
Actually you would be pretty amazed at what five years at one of the top mechanical engineering schools in the nation will do for your knowledge of making machines faster.
Apparently it allows you to sidestep the laws of physics...

I ran a 119.2 mph quarter @ 15 psi on stock twins on pump gas, and I know that Brooks Weisblat and Kevin Wyum were both in the 120-122 mph range at 16-17 psi on race gas.

At 11.5 psi, you're going to trap around 105-108 mph, MAX.
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Old Feb 5, 2002 | 12:29 AM
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Originally posted by Bacon
personally id bet the only way u could do it on stock twins @11.5psi running 120's is with a preffireal ported motor with a standlaone and good tuning...
Or fired from a cannon...
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Old Feb 5, 2002 | 12:36 AM
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Originally posted by jimlab
Or fired from a cannon...
LMAO! . funny ****...funny ****.

so Jim...does this mean that you are raising the BS Flag?? c'mon post it. i wanna see you post the BS Flag.
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Old Feb 5, 2002 | 02:01 AM
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With just about every bolt on (stock eng.,turbos and inj.) with pettit ecu @13.5 lbs.I'm at 12.3 @116
with drag radials w/1.8 60"time.
I think I'm pretty close to the limit. With slicks I think 11.8-11.9 is reachable.
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Old Feb 5, 2002 | 10:05 AM
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I think a weight/hp of 7-7.5 should do the trick. I am running pettit cold air intake, balanced, blueprinted and ported stock turbos, same on engine with 3mm HD seals custom ecu, pettit downpipe, midpipe and exhaust, 8.5 lb flywheel with act extreme clutch, I have removed air pump, ac, pass seat, stereo, spare tire and most of the useless interior. The rx is the base package which starts out the lightest with no wings or spoilers to slow me down
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Old Feb 5, 2002 | 11:40 AM
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You wouldn't mind scanning and posting a time slip from one of these amazing runs, would you? I mean after all, you must have had incredible 60-foot times to post an 11-second quarter on Bridgestone S02s. Not to mention the phenomenal trap speeds in the mid 120s. What was your speed and E.T. at the 1/8th?

Do you even know what "balanced and blueprinted" means? You might want to quit while you're ahead. Or was that behind? Your credibility is SHOT, there's no salvaging this story pal...
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Old Feb 5, 2002 | 11:49 AM
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LOL...well put jim..better than i could say it...

"custom ecu"??? you built it your self? is is tuneable?



you shoulda just said oops i hit the wrong # key on my key board and try to save your self... and posted a feasable trap speed
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Old Feb 5, 2002 | 12:28 PM
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He probably had the ECU balanced and blueprinted too...
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Old Feb 5, 2002 | 12:36 PM
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The only mod I have is a SS Greddy exhaust and I ran a 14.2@100MPH. I even have the slip to prove it. So I would think that this is a good starting point if you want to know what a stock Gen III will run in 1/4 mile
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Old Feb 5, 2002 | 12:52 PM
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pettit did the ecu, take a 250 pounds off your car then re-test it. balanced and blue printed does not make more HP the porting does. B&P is just for tolerances. but ok so maybe the boost creaps into low 12's still well within limits of ported stock turbos (are they still considerd stock if they are ported). And I guess I should have mentioned the numbers are from a g-tech which should be close that if it says 125 it is prob at least 120. I never have tested the g-tech at a track so I could just be wrong.
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