I know there is a thread above that lists 1/4 mile ET times, and I'm fairly sure I'll be directed back to that thread, but I need some REAL help without bravado or embellishment. I'm hoping there is some sage wisdom to point me in the right direction, because I don't think I went anywhere fast enough when I had a chance to make several passes recently.

So I'm coming "hat in hand" to the forum with some humility to ask if I have a car problem worth exploring, or just to know that my car is as fast as it should be. So here goes!

First off, it was my first time running 1/4 miles, and it was a fairly hot and sticky day. My reaction time is crap. But no excuses, right?! But apart from having amazingly consistent run times over and over again, it seemed very slow from what I thought the car should do.
My 03 996TT is a tiptronic, and that clearly doesn't help, because the first agony provoking milliseconds are wasted spooling up. I tried various power braking methods, but could not hold the car from red lighting over about 2200 rpm of pre-staging RPMs. I develop 1.1 (and I briefly think I saw 1.2) bars once.
So I could only muster a single high 12.4, and a boatload of 12.5's. Trap speed was routinely 114 and 115mph. Problem appears (no surprise) in 60' times of at or above 2 seconds.

Since you've been very patient readers, a bit more. I have a bone stock 996tt, and have only added an EVOMs tune to the trans and ECU, upgraded billet diverters, an EVOMs intake and a Fabspeed exhaust. So while this is a very mild "build" to date, I just thought it could do more.
So, is something wrong? I read the ET times on the sticky thread, and I think I should be doing much better. It seems I'm even slower than a bone stock according to the times listed. Thoughts? Ideas? Butt dyno feels great, but ETs don't lie. I think I gave you the needed essentials. I've spilled my not so fast story (tough to do here) and have been honest. The rest is up to you guys! don't be too tough on me!
Thanks for reading.

 

reaction time has no bearing on et only on the amount of time it took you to trip the light from green.
what was your 60ft time, 1000 ft time 1/8 time and speed and trap time. this will tell us if your spinning off the line, dropping power at the top end or simply thats as fast as your car is

 

I listed all you asked in my original post, except the 1000 ft times which were in the range of 10.4 to 10.5. My 1/8s are 8.1 to 8.2s

Here is one pass at a glance:
60 ft @ 2.086 sec
1/8: 8.165 @ 92.1
1000 @ 10.483
1/4 in 12.441 @ 115.32
Thanks!

 

listed in that order makes much more sense.
yes your 60 ft time is killing you.
8.1 in the 1/8 and running 92 mph tells me your spinning like crazy off the line. thats most of your issue. heat of the day and possibly poor track prep could be the rest.
by your 1/8 mile speeds you should be running 7.6 or 7.5 in the 1/8 netting you a 11.6 or 11.7 in the 1/4 mile

something to try next time. instead of loading up the torque convertor try rolling into the throttle from idle off the line and then getting into it. it helped me immensly with my supercharged car

 

It's an auto (tiptronic). There is no wheel spin whatsoevr, heck I couldnt if I tried with awd. Track is a fully rated NHRA facility, not a local track

 

Can you post the rest of your slips? Actually, the tip cars need to be preloaded at launch. Just run it up to 2100Ish and let her rip. are you a stock x50 or k16's? I would imagine if your car was mechanically correct, you should run high 11's with your mods. You may want to look into EVOMS modifying your TC to a 3000rpm stall. That helped me tremendously. You will likely not get much better than a 1.8 60' in a 996 tip. That was the best I could do with bigger turbos and a 3000rpm stall TC.

 

your 1/8 mile speeds say otherwise. as for the track i race at one if the fastest nhra tracks in the country and if there isnt an event prior to the test and tune or brackets the track can be a grease pit.
with 5% going to the front drive it isnt hard to spin the car.
heres an example. my supercharged slk32 ran 11.93 at 115.09.
60 ft time was 1.7
1/8 mile was 7.6 @ 92.03 and 1/4 was 11.9 @ 115. obviously final gearing can change this and i run a 3.07 final. your 1/8 mile was much faster speed but slower time showing wheel spin. my car is 367 rwhp and im sure your much more powerful than mine. my car was dead hooking on drag radials

 

I tried a few different launch techniques, but as mentioned, I would basically hold the brakes, dial in about 2000+ rpm, and then just mash the gas pedal as the last light blinked off. I don't recall ANY tire spin, and unless I gas it in a turn, generally can't break the tires free....certainly not from a dead stop.
I'll reach out to my EVOMS dealer and ask about the higher stall speed. This is not a race car, just my DD, but want to at least think I could have broken into the 11s. Maybe that's unrealistic, but the posted times on the sticky say I should get that all day long. That's why I started this thread...just want a sanity check.

 

Interesting read, I've been curious what these cars will do on stock turbos with a flash, exhaust, etc. You also said it was a hot day, that heat can soak your intercoolers quickly. In my experience, running when it's any hotter than 75-80 degrees out can start to slow down your times.

 

I think your time should be a few .x second better with your mods. BHT had the best ever 1/4 on a Tip (his old car); he got under 11... so he knows what he's talking about. The best I have ever done was right at 11 on a PBox.

Stupid questions... did you shift to 1st before you start? Were you on D or M?

 

I'm glad you started this thread. The 1/4 mile thread doesn't give very good descriptions of the cars.. It doesn't list the mods so there's not much to compare to.

I have a very similar setup but with a 6 spd and would love to know what I should run as well.

Again -- thanks for posting. I was temped to create a thread but just knew some people would jump on me to search or read the 1/4 mile thread...

 

Great thread

Ok so I have run a few 1/4 mile's just recently & I too felt that I should have been quicker after reading the 1/4 mile thread.

I have a turbo S so x50 with a flash running 1.1 bar boost but with stock exhaust & no other mods!

My best run was a 12.1 @ 121mph
The temp was around 18c & my rear tyres have seen better days
I struggled with wheel spin & I think this is why my best 60ft was 2.1!

I now have exhaust fitted & will be getting new tyres soon so hopefully I should see a mid 11 second pass next time around.

Hope this info helps somewhat.

 

Cutting .5 second is big; don't want to sound negative but you'll need additional mods to achieve that.

 

It's great to see folks coming out of the speed closet, so to speak. It's embarrassing to say your car is slow, so it feels good that this can provide some value to others.
Temps were approaching 90, with high humidity (80+) had rained very heavy night before. This was at brainerd intl raceway in Minnesota.
Just so I read this right, are there tiptronic folks with a fairly stock set up that can spin their tires?!
Coming down another 1/2 second is huge, that's why I started the thread. If I have cool day, I'd expect to gain maybe a tenth, or miraculously two tenths, but not .5 secs!
Thanks everyone. Keep em coming! I'm not feeling quite as lonely anymore

Oh...edit....I tried every combination; 1st gear, 2nd gear, pSM on and off, manual and drive. 1st gear in manual was a must! PSM on or off had no noticeable effect

 

No, he is not spinning. There simply isn't enough boost loaded by the time he is launching to spin the tires. OP, are you turning OFF PSM? This is a must when running the quarter mile.

I do not have time slips of my car with just a tune and exhaust but I improved my 60-130 time from 12.9 "stock" to 9.5 with tune, exhaust and diverter valves.

Here is a run with 16/16's. No wheel spin, stock Torque converter, all wheel drive.


Here is a run with the front diff removed (24/18g turbos) , modified 3000rpm stall torque converter, and running rear wheel only.