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turbo lite ¼ mile times

 
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  #1 (permalink)  
Old 01 Sep 2004, 06:50 pm
Young Cruiser
 
Join Date: Jul 2004
Location: sherbrooke, québec, Canada.
Posts: 69
Default turbo lite ¼ mile times

here's the times i got saturday.
the whether was super hot and humid
32 Celcius and about 85-90% humidity.
all the cars ran slower than they normaly
do.so,what do you think?only mod to the
car is drop in K&N and removed the two
silencers.


R\T ET MPH 60 Ft

-.114 16.59 80.80 2.35
.564 16.49 80.58 2.35
.334 16.33 81.07 2.29
.400 16.40 80.51 2.31
.550 15.98 84.18 2.26
.412 16.11 83.38 2.28
.433 16.13 82.58 2.32
.384 16.14 82.81 2.33

the first 4 runs,the car was full(seat,ect)
after that the car was unloaded(seats,shelf,spare&jack)
are these times normal?i thaught it was faster than that...[:I]
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Old 01 Sep 2004, 08:07 pm
Cool Cruiser
 
Join Date: Feb 2004
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Those times are about right for a 180 HP vs the 215/220 HP GT's Automatics.

The GT Autos run around 15.7sec (Full load). 15.5sec (Emptied)
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Old 01 Sep 2004, 08:14 pm
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Location: Orange, CA, USA.
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I've seen times for only one other Turbo Lite car (I did not take mine to the track until after installing Stage 1) and they were right in line with your "unloaded" times - 15.9 to 16.1, which is what I would expect. You mention the weather negatively impacting times, so perhaps your times would have been as much as a 10th quicker, which would have definitely outpaced the only other Turbo Lite times I've seen.

I love that you did runs both "loaded" and "unloaded" because I've always been curious as to just how this would impact 1/4 mile times. Looks to be a pretty consistant, and impressive, .4 second reduction!

How were you launching? Any brake torquing at all? I would think with the Turbo Lite you could pull up to 1500rpm easily without risk of excessive wheelspin. In my Stage 1 equipped Turbo Lite I find that much over about 1,000 - 1,200rpm is just too much for the tires and they spin like crazy.

This is good data to add to the pool. If you've even thought about Stage 1 but couldn't decide, consider this: For about $350US and 30 minutes of your time you can drop your 1/4 mile times down to 14.9 ~ 15.0. Add another little mod or two and you'll see 14.7 ~ 14.8!
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Old 02 Sep 2004, 05:11 pm
Young Cruiser
 
Join Date: Jul 2004
Location: sherbrooke, québec, Canada.
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on the line,i held the rev's between 1500-1800's
on the last pass i smash the gas!2500 RPM on the brake.
but it did'nt improve anything so i won't do it again.
whit the sunny day we had,the trak was super sticky
no wheelspin at all,just a litle 'chirp'.

what are the MPH for the GT's?since i got 84,the GT's
would be somewere around 88-90.
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Old 02 Sep 2004, 06:04 pm
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I've been running right around 14.8 @ 90.5 mph

A sticky track is nice Not too long ago our local track must have had a teflon coating on it 'cause nothing would stick. I smoke my tires real bad on one pass and ran a 16.5! To hear PTGT_Boy tell it, I was smoking the tires halfway down the track. Of course, every time he tells the story my tires smoke just a little bit more!
[8)] [8)] [8)] [8)] [8)]
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Old 03 Sep 2004, 03:24 am
Cool Cruiser
 
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Actually, Mike was burning out the first 330 feet. Then he was smoking all the way down the track to catch a plymoth neon. The poor neon actually had a chance, but Mike got him the last leg of the 1/4 mile. The poor neon got smoked [V].

I don't smoke my tires (and do soft launches), I run about 15.6 to 15.7 @ 92 mph (fully loaded cruiser with 1/2 tank of 91 octane). My car is a non-stage 1 5-Speed. I spend most of my time playing catch-up on Mikes rear.

I have a high trap speed on my car, so its indicating that I'm not launching fast enough and shifting fast enough, but you can check out Gary C's times 14.9sec @ 93mph (stock 03 GT 5-Speed).

Another GT auto cruiser (non-stage 1)that comes with us to the track is running 15.5sec @ 86 to 88 mph with seats removed and 1/4 tank of gas.
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Old 03 Sep 2004, 03:42 am
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Quote:
quote:Originally posted by PTGT_Boy

Another GT auto cruiser (non-stage 1)that comes with us to the track is running 15.5sec @ 86 to 88 mph with seats removed and 1/4 tank of gas.
I plan to do the same when (if I ever) go to the track. Plus I'll remove the spare as well.
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Old 03 Sep 2004, 05:43 pm
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Whats TRAP SPEED mean [:I] The wifey wants to take a run down the 1/4 mile. Neither of us have ever tried it. I guess it's time to [8)]
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Old 03 Sep 2004, 08:32 pm
Cool Cruiser
 
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Trap speed is the speed you are at when you hit the 1/4 mile mark. It's also somewhat of an indicator how well you will do on races if you started from a roll (as in driving casually, than all of a sudden hitting the gas).

I'll use my favorite rival Mike-in-Orange's GT (Stage 1 Auto) vs. PTGT_Boy's GT (Non-Stage 1 Manual) example on how trap speeds work:

Mike's GT Cruiser ran a 14.8 sec 1/4 mile at 90.5 MPH.

PTGT's GT Cruiser ran a 15.7 sec 1/4 mile at 93 MPH.

Scenario 1:
On the 1/4 mile (starting for a launch) you can see that Mike-in-Orange clearly ran a faster 1/4 mile. However, if you look at the trap speeds, PTGT is starting to catch-up on Mike's GT. Over a certain distance and the variables remaining constant (and have our pedal to the metal), PTGT's Cruiser will actually pass Mike-in-Orange (maybe it'll take a mile with that kind of trap speed).

Scenario 2:
Mike-in-Orange & PTGT-Boy are cruising down a two lane street at 25mph, they both decide to have a street race and both hit the pedal to the metal. Mike-in-Orange gets a small jump, but PTGT-Boy begins to reel in Mike-in-Orange and passes him.
(This is only an example on how roll races work, no innocent bystanders were harmed on typing this scenario).

Now of course, your thinking why is PTGT Boy's GT trapping soo high and yet can't clear a 1/4 mile faster than Mike-in-Orange. A few reason causes high 1/4 mile times and high trap speeds:

1. The driver sucks. He can't launch and shift fast enough.
2. Traction.
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Old 03 Sep 2004, 09:52 pm
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PTGT_Boy.....very well put my young friend! The only things I would possibly correct you on would be:

Quote:
quote:Scenario 2:
Mike-in-Orange & PTGT-Boy are cruising down a two lane street at 25mph, they both decide to have a street race and both hit the pedal to the metal. Mike-in-Orange gets a small jump, but PTGT-Boy begins to reel in Mike-in-Orange and passes him.
You really think you'd catch me??? Mwwaahahahahahah! Well, OK, maybe, but I've got those new Magnecor wires and my plugs are gapped to .042 - my baby just flies from a roll now!

Quote:
quote:Now of course, your thinking why is PTGT Boy's GT trapping soo high and yet can't clear a 1/4 mile faster than Mike-in-Orange. A few reason causes high 1/4 mile times and high trap speeds:

1. The driver sucks. He can't launch and shift fast enough.
2. Traction.
1. Don't be so hard on yourself buddy ..... be hard on your gearbox!
2. Smoke 'em for 330' and you'll trap at a mere 87mph. Voice of experience (although I'm taking your word for 330' of smoke!)
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