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unofficialy slowest ls1

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Old 08-18-2003, 10:32 AM
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Default unofficialy slowest ls1

ive only ran my car three times at the track and got a 13.9 and this is at "the worlds fastest track" darlington i have lid,filter,bellow,maf,no cats,hooker lts, flowmastermuffler,10mm wires,tr6, with nitrous got a 13.1 this is a 2002 ws6 the collector edition a4 from the times i see from you guys something is wrong with my car i know i have a little weight from the stereo system but the only other thing i can think is i dont have the o2 simulators on the back spots yet from installing the lts could someone maybe give me an idea what is going on
Old 08-18-2003, 10:58 AM
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Default Re: unofficialy slowest ls1

How are you hooking on the track? 60ft times?


Kim
Old 08-18-2003, 11:17 AM
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Default Re: unofficialy slowest ls1

What's the cars weight, and if you can give us the entire timeslip.
Old 08-18-2003, 11:36 AM
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Default Re: unofficialy slowest ls1

Take off your aftermarket MAF and replace it with the stock...is it the yellow WS6 anniversary edition?
Old 08-18-2003, 12:20 PM
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Default Re: unofficialy slowest ls1

The MAF may be causing trouble, Flowmasters aren't so great, extra weight doesn't help.

Autotap data would help.
Gives us all of the slip data.
Old 08-18-2003, 12:33 PM
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Default Re: unofficialy slowest ls1

yeah im pretty sure im hooking i got the stock f1 but i hook on the street so i know i can on the track here is times
motor nitrous
60= 2.170 2.163
330=5.967 5.810
1/8= 9.040 8.657
1000=11.665 11.096
1/4=13.918 13.144
mph=99.48 110.25
and yeah the ce is yellow yeah i also that about the maf no idea what the car weighs but the weather was bad that day heat and everything but i thought it would still run better than that and thanks for the help
Old 08-18-2003, 12:39 PM
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Default Re: unofficialy slowest ls1

also if i get it tuned then should i leave the aftermarket maf on or just stick with the stock either way
Old 08-18-2003, 12:43 PM
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Default Re: unofficialy slowest ls1

Always run stock MAF ESPECIALLY with nitrous... Descreening the stock MAF is fine.

I would get rid of that flowmaster muffler and put in a dynomax ultraflo. (1000cfm for the 3 inch)
Good luck,
Chris
Old 08-18-2003, 12:45 PM
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Default Re: unofficialy slowest ls1


sounds like you are running on seven cylinders to me. ATAP it. There is probably something seriously wrong with the A/F or timing.
Old 08-18-2003, 12:54 PM
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Default Re: unofficialy slowest ls1

Your 60ft leaves much to be desired. You're running 3.73 gears and the stock converter?

Weather matters MUCH.
Old 08-18-2003, 12:58 PM
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Default Re: unofficialy slowest ls1

Pull the screen on the stock maf and take that aftermarket one off.Better exhaust would help also like the new Corsa systems.
Old 08-18-2003, 01:53 PM
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Default Re: unofficialy slowest ls1

just got the gears havent had money for the converter yet and since i dont have the o2 simulators i didnt see any point in getting it tuned right now also just wanted to make sure that pulling the screen will still be good enough going through the air filter that nothing will flow into the motor
Old 08-18-2003, 01:56 PM
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Default Re: unofficialy slowest ls1

damn bro i think u might be having some tuning issues...you should be seeing a high 12 with that setup(off the bottle)...ur 60' could be better...

...ur MPH is way low...i say ur A/F ratio might be causing this, go get it tuned!
Old 08-18-2003, 02:26 PM
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Default Re: unofficialy slowest ls1

I wonder if he is hitting the 5500 RPM fuel pressure drop that alot of LS1's seem to have. Mine used to feel like I was hitting a 100mph headwind at 5500 RPM. Not all cars have this problem, from what I hear.

Oh yeah, and his 60ft times are horrendous.
Old 08-18-2003, 04:28 PM
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Default Re: unofficialy slowest ls1

"just got the gears havent had money for the converter yet and since i dont have the o2 simulators"

I'm talking about a TQ converter (it transfers the power from you engine to your A4 transmission.) A TQ converter is a FAR more effective mod than gears. Waaaaaaaaaaaay better bang for the buck. O2 sims have nothing to do with a TQ converter. You're thinking about the catalylic (sp?) converters.
Old 08-18-2003, 07:19 PM
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Default Re: unofficialy slowest ls1

no i knew what you were saying. yeah i know what the tc is. i was just saying i didnt have the gears when i was at the track and i was just saying the o2s probably have something to do with some messed up timing or tuning. sorry about that colonel
Old 08-18-2003, 07:24 PM
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Default Re: unofficialy slowest ls1

Lack of O2 simms will not cause a loss of performance in any way. That is a huge but very common misconception. The only thing not having O2 simms causes when you get rid of the cats, is an annoying check engine light in your face.

Do yourself a favor when you get some dough. Make a good converter and some Nitto drag radials your next mods.
Old 08-18-2003, 09:18 PM
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Default Re: unofficialy slowest ls1

His 2.1 second 60 foot times are better than mine. I spun to a 2.4 second 60 foot and still got a 13.3 at 107 on motor.
Something is not adding up........
Old 08-18-2003, 09:51 PM
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Default Re: unofficialy slowest ls1

just so you know you can have your rear 02's shut off with a tune so you won't even need the simm's
Old 08-18-2003, 09:56 PM
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Default Re: unofficialy slowest ls1

thanks for that cause that just save some money


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