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1/4 Mile help please

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Old Mar 31, 2026 | 03:01 PM
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Default 1/4 Mile help please

Hey guys trying to get my setup figured out and could use some help I did run a 13.220 but don't have the slip for that run but I do have this time slip

CAR SETUP

2012 BASE 3LT
STOCK LS3
A6 TRANS
NPP EXHAUST
CF VENTED HOOD
DEWITTS RADIATOR
AMERICAN RACING WHEELS (OEM SIZE FRONTS)
MICHELIN ALL SEASON 4 ZP (32 PSI)
FORGELINE D5 DRAG WHEELS (305 45 17)
NITTO NT555R2 (18 PSI)

LAUNCHING

Cars was in Sport Mode (Mag Ride) Traction Off burnout 1st into 2nd (Manual Mode) rollout put car back into (D) stage hold at 1500 RPM then launch let the car shift itself.



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Old Mar 31, 2026 | 08:02 PM
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60' time is terrible. You are losing 1/2 second there. I do a hard burnout then turn the traction control back on. Getting 1.65 60' times on hard street tires.
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Old Mar 31, 2026 | 10:26 PM
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Originally Posted by JackDidley
60' time is terrible. You are losing 1/2 second there. I do a hard burnout then turn the traction control back on. Getting 1.65 60' times on hard street tires.
So do you think that having TC off might be hurting my time or launch at 2k rpm with TC on would help?
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Old Apr 2, 2026 | 09:14 AM
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Originally Posted by JackDidley
60' time is terrible. You are losing 1/2 second there. I do a hard burnout then turn the traction control back on. Getting 1.65 60' times on hard street tires.
I'm more concerned with the tap speed, that's very low and the car should trap higher with the poor 60' time. 18psi in the nittos are likely the reason for that.
If it were me, I'd air up the nittos to your normal street psi (30 or so) and just launch off idle withOUT TC.I would not load the converter on the footbrake. It preloads your suspension which affects weight transfer and traction, that hurts 60' and bogs your motor down (at your power level) if it hooks so hurts your 60' either way. Your poor 60' AND trap speed means nothing is working well. First step, get the power back in the car by not having to lug all that rolling resistance down the track from underinflated tires.
so:
air up to 30psi
TC off
leave off idle
leave in drive

if she hooks great if not then take out 2 psi every pass until she hooks.
After your leaving well, then you can play around with manual shift if you choose.
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Old Apr 2, 2026 | 01:56 PM
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Originally Posted by LVC62012
So do you think that having TC off might be hurting my time or launch at 2k rpm with TC on would help?

You dont say it but you must be spinning tires on the launch. Turn the traction control on for sure. If the track is at high altitude, that is killing your top end.
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Old Apr 3, 2026 | 08:48 PM
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DA will slow the car and TC may get you through the day but if you want to get dialed in and figure out what's working and what's not I don't agree that's the way to go. OP did say he wanted to get the "setup figured out". Got a ton of sidewall on those 17in wheels, that tells me he wants to run a number, not just make it down the track.



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Old Apr 4, 2026 | 07:22 PM
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I forgot to add for everyone's info the car was ran at LS Fest 2025 at the Las Vegas Motor Speedway end of April and will be running same track again if that helps
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Old Apr 4, 2026 | 10:21 PM
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Default Videos of passes

Ok guys got 2 videos of my passes hopefully that helps you guys help me


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Old Apr 5, 2026 | 08:54 AM
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I don't see any spinning and just a little weight transfer.
In addition to what I suggested earlier, you could remove the front sway bar on track days to help with weight transfer.
Leaving off the footbrake will also allow your converter to flash higher, help to bring your rpms up closer to your powerband.
The more weight transfer you can get the more psi in your tires you can run, more psi the harder your car can leave and higher trap speeds = faster ET.
All these little things add up.
Be nice if you had a higher stall converter, that would really wake it up. Set of skinnies up front wouldn't hurt either.

Car looks really nice, stance, hood, rear spoiler-red pops.

Last edited by tektrans; Apr 5, 2026 at 09:57 AM.
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Old Apr 5, 2026 | 07:08 PM
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I just looked up the DA at LVMP , Easter Sunday afternoon. 4073 feet. That is killing your horsepower.
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Old Apr 5, 2026 | 08:32 PM
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Originally Posted by tektrans
I don't see any spinning and just a little weight transfer.
In addition to what I suggested earlier, you could remove the front sway bar on track days to help with weight transfer.
Leaving off the footbrake will also allow your converter to flash higher, help to bring your rpms up closer to your powerband.
The more weight transfer you can get the more psi in your tires you can run, more psi the harder your car can leave and higher trap speeds = faster ET.
All these little things add up.
Be nice if you had a higher stall converter, that would really wake it up. Set of skinnies up front wouldn't hurt either.

Car looks really nice, stance, hood, rear spoiler-red pops.
I appreciate it it's all stock suspension etc but the headlights are Carbon but the setup is what I got for now but im moving shortly so I do want C5 Z06 wheels for a drag pack but later I do have plans for a stall etc etc but keeping it a street car

Last edited by LVC62012; Apr 5, 2026 at 08:42 PM.
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Old Apr 5, 2026 | 08:36 PM
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Originally Posted by JackDidley
I just looked up the DA at LVMP , Easter Sunday afternoon. 4073 feet. That is killing your horsepower.
Those were LS Fest runs from last year but ill basically be same conditions this year end of April but yeah I figured that wasn't helping 100 and stupid degrees as well 🤣
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Old Apr 5, 2026 | 08:39 PM
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Also as the car sits now without the DRAG pack
As the car sits right now
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