partyhardoo69

iTrader: (1)

Most of the mods include.
-g5x2
-ported t/b
-ls6 intake
-yank pt4400
-3.42
-sfc's,lca's,
-built trans
-tune
-lid
-mac mids - xpipe - borla xr-1 mufflers dumped
-BALD M/T dr's 255/50/16

After my first run i took off the front sway bar.
I don't have a pic of my time slip but basically my 3 runs went like this
60'- 1.62 1.62 1.65
1/4- 12.02 11.97 11.97
mph- 112 113 113

I dialed a 11.96 on my last run because i normally go faster in the warm weather. I had some wheel hop on the last run which made my 60' slower. I would have run right on if i 60' better.

Race/street weight is 3325 with out me in it. Heaver by 100lbs because of the sound deadening material i have in there.

thoughts?

side note: last year with skinnies up front and better tires i 60' in the 1.49 range.

NSSANE02

iTrader: (14)

I bet those headers are killing you, the rest of the setup seems solid but I would think you'd be in the mid 11's. What was the DA?

partyhardoo69

iTrader: (1)

i always thought my setup should be a little faster but from everything i read on here people say going from mids to long tubes is only good for 5hp at most.

And i don't remember the DA i'll have to look back at the weather station when i get home tonight. It was 70* though.

NSSANE02

iTrader: (14)

The gain will be relative to your setup. 5 hp on a bolt-on car maybe, but with a big cam, good intake, and an otherwise well-flowing exhaust I think you'll see quite a bit more than that.

partyhardoo69

iTrader: (1)

well thanks for the heads up.
i bought the car with the headers on there and always thought they were just good enough. I'll pick up a set of long tubes before i go to the track again.

darrensls1

Not too bad! I would consider 3.73 gears and maybe a fast 92. But other then that your setup looks mint.

RippinZ121

iTrader: (16)

I would think you could hit around the 11.3-11.5 mark easily. Get a PHB and take off the rear swaybar. Take out some ot the useless weight (spare, jack). Are you hooking with those tires?

1998LS1SS

iTrader: (8)

what would taking off the rear swaybar do??

01FbTaWs6

iTrader: (12)

make the car twist alot more and probably hinder how straight it leaves. I would advise against removing the REAR sway bar.

plaf713

iTrader: (8)

mph seems low

plaf713

iTrader: (8)

oh yeah, one of the last things you want to do is take the rear sway bar out, its helps in launching

KL20

iTrader: (18)

not to dog your time/car/setup but something seems off.

my car which is a '00 Z28 with LS1 intake, stock internals, macs/ORY/slp dd w/cutout, bolt-ons, VIG 3600, bfg dr's, and grandsports in front ran 11.8@117 w/ a 1.6 60'. when i got my F1 cam in i went 11.38@121 w/ a 1.7 60'. these times were back in '03-'04.

your mph seems really low for your setup, who did the tune? what are your shift points set at? what were the track/weather conditions?

darrensls1

Autos with stock internals and ls1 intakes do not trap 117. At least not without about 500+ lbs of weight reduction or some moderate weight reduction and like a -2000 DA. I have close to 400 rwhp with the mods in sig and I trap 115-117. That's with no spare, jack, front sway bar and back seat as my only weight reductions.

So either you had a very light car or something is up. Because no stock internal auto LS1 has ever made 390-400 rwhp and or trapped 117 through the ls1 intake

plaf713

iTrader: (8)

i just trapped 112 with stock internals, 3.42s, ls6 intake, and a 3800 stall. Im sure his cam only car can trap a little more than that, he is also around the same times as me, im stuck around a 12.1

darrensls1

His trap is a tad low. But we don't know the DA of those runs and his tune could be a bit off. With full bolt ons I trapped 110. My buddies 98 Formula with full bolt ons trapped 109. If I can trap 116-117 cam only then he should be able to trap 114-115. But maybe with better weather he will.

NSSANE02

iTrader: (14)

Unless you had some serious weight reduction, I'm gonna have to call BS. Even if you were around 3000lbs and ran it in great weather, your 60' and trap speed don't match that slow of an ET.

KL20

iTrader: (18)

i could be off on the MPH. they might have been around 115 and 119. like i said it was 6 years ago. but regardless my car ran those times. the track i ran both times at was Hallsville, which has had arguments in the past of being a downhill track. it's not, but you do trap a few mph higher but run the same ET's.

darrensls1

I would argue something. Those times are not possible from a bolt on A4 with an ls1 intake without SERIOUS weight reduction OR moderate weight reduction and a SERIOUSLY negative DA (the kind you get once every season if your lucky). You take anyone elses bolt on A4 running approximately 3800 raceweight with an average DA and your seeing 12.2 - 12.6 @ 107-110 give or take.

My car with a fast 90, big cam and full bolt ons runs on average 11.7 @ 115-116 with 11.5 @ 117 possible on really good DA days. That's with approximately a 3650 raceweight.

So are my numbers way off too? Should I be hitting low 11's @ 120+ ?

My friend has a 98 Formula with a 228/232 cam, bbk intake, 4000 stall & full boltons and runs 11.9 @ 113-114. Is his car way off too?

Look at this thread titled "cam only trap speeds"

https://ls1tech.com/forums/drag-raci...ap-speeds.html

Most of these cam only cars are trapping 114-117. The few who hit 120+ were all M6's and one for sure had moderate weight reduction (studderins car).

Are all our cars way off because we should have been running those times with just bolt ons and ls1 intakes like you did?

I know it sounds like I'm being a dick but that's not my intention. I'm trying to point out to you, and more importantly the OP, that your claimed times are the exception and most definately not the rule.

The OP's car is running a little slow for his mods and raceweight. But hopefully with LT's to replace the mids and a retune he'll find the missing power. But if we all judged our cars based on your times then I'm afraid everyone here would be extremely disappointed. Except for you of course.

KL20

iTrader: (18)

I understand your side, but my times were legit. I had 5 other board guys there that night. My car seemed to always et/trap slightly better than other similar A4's. Guess I was lucky with my car. The week before my stall was put in I ran 12.4, can't recall my trap though.

darrensls1

Considering your car with bolt ons ran what mine does with a big cam, big stall, big gears and a fast 90 I would say it's more then just slightly better then other A4's. I would say it ran extremely better then other A4's.

But that's cool. If you had that much of a factory freak then you basically hit the LS1 A4 jackpot. Good luck with your car in the future. And good luck with your car too Partyhardoo69.