Well, that was a disappointment!
04-02-2017, 08:17 PM
#1
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Well, that was a disappointment! Purchased a 01 ws6 2 weeks ago. 110k on the clock. Mods were SLP lid, BBK 1 3/4 long tubes, BBK off road y-pipe, eBay muffler set up from there back splitting off into 2 for the rear (I'll find a link), koni/eibach kit that lowered it 1.25 inches, Panhard bar, strut tower brace, drilled and slotted rotors, replica corvette 19s on rear, 18s on front and finally a tune (I was told).
only thing I did was the poly mounts to stop all the racket. I have MWC lower control arms and relocation brackets that I'll put on this week. Well, my first trip to the track I was convinced that I was gonna get 12.9 for sure. Nope, not close. 13.5 was it. I had a bone stock 98ws6 in 2003 that ran 13.3 (I was 100lbs lighter then though). Kinda like a kick below the belt. I'll post a pic of my time sheet. I've read a few stickies but I figured I'd sign up and post up my displeasure on here myself.
only thing I did was the poly mounts to stop all the racket. I have MWC lower control arms and relocation brackets that I'll put on this week. Well, my first trip to the track I was convinced that I was gonna get 12.9 for sure. Nope, not close. 13.5 was it. I had a bone stock 98ws6 in 2003 that ran 13.3 (I was 100lbs lighter then though). Kinda like a kick below the belt. I'll post a pic of my time sheet. I've read a few stickies but I figured I'd sign up and post up my displeasure on here myself.
04-02-2017, 08:24 PM
#2
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Ditch those big rims and tires and go back to track. You not go have a 11 second car on 19 inch rims.
04-02-2017, 08:42 PM
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https://www.ebay.com/itm/161806717057
been looking at the true duals from speed engineering. I wouldn't have chosen this exhaust but it was on the car. It sounds good, just 1 3/4 and maybe 2.5 inch or so y-pipe. I know some of the others are bigger
been looking at the true duals from speed engineering. I wouldn't have chosen this exhaust but it was on the car. It sounds good, just 1 3/4 and maybe 2.5 inch or so y-pipe. I know some of the others are bigger
04-03-2017, 05:04 AM
#7
Those wheels are probably 75 lbs heavier than stock, that's not helping.
Put the car on a dyno and see what it says, all issues likely will be revealed.
Real rear tire regardless on rim size to get that 60 down will only help, its lazy for the first 330
Put the car on a dyno and see what it says, all issues likely will be revealed.
Real rear tire regardless on rim size to get that 60 down will only help, its lazy for the first 330
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04-03-2017, 07:03 AM
#8
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04-04-2017, 05:42 PM
#9
My stock C6 Z06 fronts with new Nitto's weigh 48lbs and the stock 16x8 wheels and tires I took off weighed 38lbs and the tires were damn near bald.
I figured I gained 4-5 pounds over the weight of the 16x8's with new rubber.
I'm after handling so it's worth it to me. If he went with light weight drag style wheels he would definitely go faster but I don't think he'll be that much faster maybe a couple tenths.
If he wants to go faster his first mods should be Cam/Stall(if auto)/Gears, With all the mods he listed he might have gained a whole 35-45hp and probably gained very little torque down low where the car needs it.
He's running a basically stock ls1, Dropping a few pounds of rotating weight is not going to drop his time a 1/2 a second.
04-04-2017, 09:06 PM
#11
Every car is different, conditions are different, drivers are different. Just because he ran .2 seconds faster 14 years ago in a completely different car means nothing. It takes a lot of time to figure out a car and every little thing adds up.
Last edited by joeZ96; 04-04-2017 at 09:18 PM.
04-05-2017, 01:48 AM
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Elevation is about 440ft. Not sure about DA. The guy on the loud speaker was telling everyone about the temp and other variables but I wasn't paying much attention. 59 degrees and he was concerned with the track getting slick. This was about 10:45pm. They closed at 11.
how do I post a pic on here. This is so confusing and nothing like any other forum I've been on. Can't figure out how to do it.
how do I post a pic on here. This is so confusing and nothing like any other forum I've been on. Can't figure out how to do it.
04-05-2017, 08:19 AM
#14
usually you can get the da for your runs on drag times you just need to select the track you race at then go find the data for the date and approximate time of the pass on your time slip.
59* if it was clear skies/high barometric pressure would have been a decent da
What was your 60 foot ? and what was your trap speed ? those 2 things will allow all of us that have been around drag racing point out your current potential (trap speed) as well as possibly explain why it underperformed ( 60 foot & trap)
heavier wheels and especially combined with taller wheels is the wrong direction to go for drag racing , there are differing opinions on how much affect they have but concensus that the effect on et's will be a negative one.
You did not mention tires but anything other than a drag radial or slick on a full exhaust/intake car is going to have a rough time getting a decent 60 foot time especially when your suspension mods (lowering) is better for taking corners than transferring weight on launch , again this is headed the wrong way for drag racing.
I am going to take a few guesses/predictions here and say your trap speed was around 108 which shows the potential for running high 12's and your 60 foot was 2.0 or worse showing why it only ran 13.5
59* if it was clear skies/high barometric pressure would have been a decent da
What was your 60 foot ? and what was your trap speed ? those 2 things will allow all of us that have been around drag racing point out your current potential (trap speed) as well as possibly explain why it underperformed ( 60 foot & trap)
heavier wheels and especially combined with taller wheels is the wrong direction to go for drag racing , there are differing opinions on how much affect they have but concensus that the effect on et's will be a negative one.
You did not mention tires but anything other than a drag radial or slick on a full exhaust/intake car is going to have a rough time getting a decent 60 foot time especially when your suspension mods (lowering) is better for taking corners than transferring weight on launch , again this is headed the wrong way for drag racing.
I am going to take a few guesses/predictions here and say your trap speed was around 108 which shows the potential for running high 12's and your 60 foot was 2.0 or worse showing why it only ran 13.5
04-05-2017, 10:15 AM
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I can get the pic to upload to my album here but I can't get it on this thread. Anyway my times are a follows.
rt. .125
60' 2.164
330' 5.908
1/8 8.881
mph 83.67
1000 11.407
1/4 13.562
mph 104.48
this was at silver Dollar Raceway in Reynolds georgia ,Friday night.
rt. .125
60' 2.164
330' 5.908
1/8 8.881
mph 83.67
1000 11.407
1/4 13.562
mph 104.48
this was at silver Dollar Raceway in Reynolds georgia ,Friday night.
04-05-2017, 12:13 PM
#20
good looking ride !
I went on drag times and your tracks elevation is 628 , your slip is cutoff so I cant see date but assuming you raced the night before you posted about it the closest data to 10:45 available is 10:53pm temp was 64.9 humidity 81% and baro was 29.77 giving a da of 1560 not great no terrible.
Your biggest problem on your slip is the 60 foot , if you get some dr's on it and trim that even into the 1.8's your times will get very low in the 13's , lighter wheels , dr's, and better racing weather and you will be flirting with that 12.9 you were hoping for. Your mods should produce 12.6-12.9 results on a sticky tire IMO especially with an 01 car it should have the LS6 Intake manifold on it. very similar in mods to one of my automatic cars that went 12.1 @112 in better weather with a 3600 stall , after tires stall would be your best investment it will knock off at least 1/2 second for you.
I went on drag times and your tracks elevation is 628 , your slip is cutoff so I cant see date but assuming you raced the night before you posted about it the closest data to 10:45 available is 10:53pm temp was 64.9 humidity 81% and baro was 29.77 giving a da of 1560 not great no terrible.
Your biggest problem on your slip is the 60 foot , if you get some dr's on it and trim that even into the 1.8's your times will get very low in the 13's , lighter wheels , dr's, and better racing weather and you will be flirting with that 12.9 you were hoping for. Your mods should produce 12.6-12.9 results on a sticky tire IMO especially with an 01 car it should have the LS6 Intake manifold on it. very similar in mods to one of my automatic cars that went 12.1 @112 in better weather with a 3600 stall , after tires stall would be your best investment it will knock off at least 1/2 second for you.
Last edited by murphinator; 04-05-2017 at 12:21 PM.