: G-tech pro times.



96-deville-man
03-18-06, 10:43 PM
well i barrowed my friends g-tech pro and did 2 runs with it i also had his scanner with me.
the only thing i dont get is his scanner was reading that the timing was retarded 12-15d at idle up to like 30d up in the rpms but at full throttle it was at 15d. is this right?

well heres run 1 it was only an 1/8mile because i thought we would do the 1/4 at about 80mph and my dad backed off.
60` 2.750
330` 7.042
1/8 10.528 @ 72.26
1000`13.483
0-60 8.118

run 2 all the way to 112 lol the car said TOP SPEED!
60` 2.702
330` 6.97
0-60 7.834
1/8 10.318 @74.05
1000` 13.201
1/4 15.599 @ 95.2

i was pretty impressed by it. these were the only 2 runs we did. tell me what you think. Also this will be the base line for the tb if i dont go to the track wensday.

eldorado1
03-18-06, 11:25 PM
Not very consistent... were they done in the same road, same place?

Also, timing is reported negative to mean before top dead center, or "advanced". Your WOT timing sounds a little less than it should be. Are you running premium?

96-deville-man
03-18-06, 11:32 PM
its on top grade fuel. timing was runing at like -15d at WOT. on the scanner it says:
Ignition timing adv
-15.0 *
this reading was from an ez-scan 6000 by autoxray.

the runs were on the same road. the diffrence is that we spun on the first because we just floored it. then the second we didnt punch it right away so it didnt spin.

96-deville-man
03-18-06, 11:36 PM
also the hp reading from the g-tech seemed low it was only 210hp.
but online esimators according to the ET method it was 265hp and according to the Speed method it was 343hp. the 265 is more what i would expect. but 265 + 25% drivetrain loss it would be 331 hp wich cant be right.

eldorado1
03-18-06, 11:42 PM
its on top grade fuel. timing was runing at like -15d at WOT. on the scanner it says:
Ignition timing adv
-15.0 *
this reading was from an ez-scan 6000 by autoxray.

the runs were on the same road. the diffrence is that we spun on the first because we just floored it. then the second we didnt punch it right away so it didnt spin.

Interesting. You should be seeing about 20 degrees around 6000 rpm.

Was it on the same part of the road, same direction? These work by measuring acceleration. All it takes is a slightly different incline to throw off the readings. Ideally you would make a run down the road, and then turn around and make another run on the same portion of the road and average the two... or four... or eight. The more you have, the better picture you have.

96-deville-man
03-18-06, 11:46 PM
Interesting. You should be seeing about 20 degrees around 6000 rpm.

Was it on the same part of the road, same direction? These work by measuring acceleration. All it takes is a slightly different incline to throw off the readings. Ideally you would make a run down the road, and then turn around and make another run on the same portion of the road and average the two... or four... or eight. The more you have, the better picture you have.

see thats what i dont get.
do you have aim or msn?

i can go take another reading and write down all the info of it if that could help any?

davesdeville
03-19-06, 08:00 AM
Isn't there a way to view timing retard through the OBD system with OBDII? I know it's PD40 on OBDIs, I'd think there's some way to find the same info on an OBDII.

96-deville-man
03-19-06, 08:52 AM
im pretty sure an obd2 scanner will read obd1. someone else will comfirm that.

0to60n4.5
03-19-06, 11:16 AM
Get your 20 bills out and head to Sunshine on Wednsday , you'll have fun . If you get there @ 6 bells you will get @ least 5 runs in and then you can tell us how you Roll on those 20's. Enjoy

96-deville-man
03-19-06, 01:44 PM
Get your 20 bills out and head to Sunshine on Wednsday , you'll have fun . If you get there @ 6 bells you will get @ least 5 runs in and then you can tell us how you Roll on those 20's. Enjoy

Im hoping to do it wensday. im expecting alittle better 60` on the track because its stickyer. I have to have my someone over 21 ride with me because i only have a permit. but i will go when ever i can. when i get my license it will be either weekly or bi weekly.

danbuc
03-19-06, 02:09 PM
Your not gonna get as much traction with those 20's as you would the stock 16's. Your 60ft time is gonna be slower with them as well. It's alot of extra mass to get moving. What are you hoping to run at the track?

96-deville-man
03-19-06, 03:15 PM
Your not gonna get as much traction with those 20's as you would the stock 16's. Your 60ft time is gonna be slower with them as well. It's alot of extra mass to get moving. What are you hoping to run at the track?

i will get more traction with these 20`s then the stock 16`s i got 255s on them. im hoping to get around 9.9-10.2 ets and 2-2.4 60ft times. i think those times are posabable. if i go it will be with my bro his wife and his wife`s mom and stepdad. they got a 2002 auto vete i belive and a 2000 camaro ss. and i might be able to beat the vete! but i hope my time guess arnt way out of reach. let me know.

turbojimmy
03-19-06, 03:23 PM
i will get more traction with these 20`s then the stock 16`s i got 255s on them. im hoping to get around 9.9-10.2 ets and 2-2.4 60ft times. i think those times are posabable. if i go it will be with my bro his wife and his wife`s mom and stepdad. they got a 2002 auto vete i belive and a 2000 camaro ss. and i might be able to beat the vete! but i hope my time guess arnt way out of reach. let me know.

It's not the width that's the problem with the 20s it's the sidewall. The sidewall absorbs some of the torque and allows you to get better traction. The 16s have a lot more sidewall than the 20s. The rubber band tires on the 20, even though they might be wider won't allow you to hook as well as with the 16s.

I've found the G-tech to be pretty accurate. I've gotten 0-60 times in the mid-3 second range, backed up by the data logger in my car.

Jim

96-deville-man
03-19-06, 03:49 PM
It's not the width that's the problem with the 20s it's the sidewall. The sidewall absorbs some of the torque and allows you to get better traction. The 16s have a lot more sidewall than the 20s. The rubber band tires on the 20, even though they might be wider won't allow you to hook as well as with the 16s.

I've found the G-tech to be pretty accurate. I've gotten 0-60 times in the mid-3 second range, backed up by the data logger in my car.

Jim

ok i understand the traction issue.
i think im gonna try to sell these and get a set of factory 18`s of of like an sts or sts v. would the wheels work?
how in the world did you pull a 0to 60 in 3sec?

eldorado1
03-19-06, 03:50 PM
I've found the G-tech to be pretty accurate. I've gotten 0-60 times in the mid-3 second range, backed up by the data logger in my car.

Jim

GN I hope... :bighead:

fubar569
03-19-06, 04:00 PM
i will get more traction with these 20`s then the stock 16`s i got 255s on them. im hoping to get around 9.9-10.2 ets and 2-2.4 60ft times. i think those times are posabable. if i go it will be with my bro his wife and his wife`s mom and stepdad. they got a 2002 auto vete i belive and a 2000 camaro ss. and i might be able to beat the vete! but i hope my time guess arnt way out of reach. let me know.

you are realy smokin somethin...

my dead stock 1984 crossfire corvette is automatic, with 205hp, and runs 14.6's all day.

that 2002 is powered by an LS1 making no less than 350hp (most are underrated). average time for dead stock LS1 automatic anything is low 13's and some with good rubber have hit high 12's...

mark99sts would probably have his hands full if the vette had a good driver

the SS should be slower than the vette, and i know yo can't beat an SS...so unless the vette tosses the drivetrain at the 1/8th mile mark, you're done for...

96-deville-man
03-19-06, 04:28 PM
well the info i had on the vete and the camaro were from my bro who knows more about which ones they are. i didnt think i could eithier. but a 13sec quarter equals a 10sec 1/8. and thats what we will be running not to mention its gonna have a woman driver!

fubar569
03-19-06, 04:39 PM
your estimation is a little off...

mark99sts only ran a 12.9 @ 106 with a 1.85 60'

my corvette runs these times - it will give you a much better ida of what to expect...

http://mysite.verizon.net/fubar569/timeslips.jpg

danbuc
03-19-06, 04:42 PM
a 13 sec 1/4 miles time iis ognna be MUCH faster than a 10 second 1/8 mile time. The fastest time i've run at the track as of yet was a 14.809 in the 1/4. The 1/8 mile time on that run was a 9.639. The car that ran against me on my last run ran a 13.2 in the 1/4 with an 8.552 1/8 mile time. I also had a 2.301 60ft time on that run as well, as a trap speed of 94.63mph.


Not to sounds like an ass...but your "bro" is an idiot if he think that you stand a chance against a vette. I'd say that you could pull off a respectable high 14.9 low 15 second 1/4 mile time on a good day with your car. Higher with those 20's on there.

Also, I know women who can drive circles around alot of guys I know. There was a girl at the track on Friday in a Lightning who was getting better launches that half the other cars there. Lightning's aren't the easiest things to launch either.


edit: Here's the three time slips from my 3 runs I made at Atco last year...
http://i24.photobucket.com/albums/c48/danbuc/Time-Slips.jpg

96-deville-man
03-19-06, 04:43 PM
wich car are you? lol sorry both times are possibable in a semi moded caddy. or vette.

96-deville-man
03-19-06, 04:46 PM
a 13 sec 1/4 miles time iis ognna be MUCH faster than a 10 second 1/8 mile time. The fastest time i've run at the track as of yet was a 14.809 in the 1/4. The 1/8 mile time on that run was a 9.639. The car that ran against me on my last run ran a 13.2 in the 1/4 with an 8.552 1/8 mile time. I also had a 2.301 60ft time on that run as well, as a trap speed of 94.63mph.


Not to sounds like an ass...but your "bro" is an idiot if he think that you stand a chance against a vette. I'd say that you could pull off a respectable high 14.9 low 15 second 1/4 mile time on a good day with your car. Higher with those 20's on there.

Also, I know women who can drive circles around alot of guys I know. There was a girl at the track on Friday in a Lightning who was getting better launches that half the other cars there. Lightning's aren't the easiest things to launch either.

that sounds about right. my times will be faster than yours because of altitude. im not sure what NY`s is but were im at is like 50ft.

danbuc
03-19-06, 04:51 PM
Well.....I think Atco is about maybe...100ft above see level. It's in Souther New Jersey. On a side note, I ran a 14.864 at Orlando Speedway on Friday with no traction off the line. It was also 73 degrees outside and very humid as well (just what these cars hate). It's all relative too. Your car's ime may be faster than they would be if you were at Atco, but probably only by a few thousandths of a second. Also, your car is heavier than mine as well.

danbuc
03-19-06, 04:53 PM
Your running a Sedan Deville right? Doesn't it have the LD8 engine in it? If that the case, I'm also making more power than you are too, which makes it somewhat doubtful that your times will be much faster than mine, if at all.

Edit: IF you go to the track sometime before late april on a weekend, let me know. Hell, I'd drive all the way there just to run you. Only abotu an hour and a half.

96-deville-man
03-19-06, 04:55 PM
its a 96 sedan deville with the 275hp northstar. i figure if i can get 9.9 ill be happy.

fubar569
03-19-06, 05:01 PM
on my slips, i am car 51...that is a dead stock 205hp crossfire injected 350. anyone who knwos chevys knows that motor blows in stock trim.

for additional comparison, a friend with a 03 cobra with cold air intake and catback on stock rubber (36psi) ran a 12.6 with a 1.86 60ft. another friend in a 93 LT1 Z28 ran a 13.997 at the same track. a vortech supercharged 99 Z28 on stock street tires went 12.4 (was an auto).

turbojimmy
03-19-06, 05:13 PM
GN I hope... :bighead:

Yes, sorry I didn't elaborate. The GN does it in the mid-3 second range on drag radials if you heat 'em up a little.

Jim

Aurora40
03-19-06, 05:18 PM
well i barrowed my friends g-tech pro and did 2 runs with it i also had his scanner with me.
the only thing i dont get is his scanner was reading that the timing was retarded 12-15d at idle up to like 30d up in the rpms but at full throttle it was at 15d. is this right?
On my Aurora (which is the newer motor), I see about 19 degrees of advance in the 4,000 rpm range, up to 27 degrees at near 6,500 rpm. The advance at lower rpm will be less. If you are not at WOT, the advance will be all over the place, it's not really useful to measure there.

If your car supports it, knock retard would be the thing to look for.

I have the same EZ-Scan 6000. Also, to get the quickest update rates, try to select as few parameters as possible. Pick like just rpm, advance, and maybe throttle position or MAP or something. The more parameters, the slower the data seems to update, especially under WOT when the computer is really working.

im pretty sure an obd2 scanner will read obd1. someone else will comfirm that.
No. But your EZ-Scan 6000 will read GM OBD.

but a 13sec quarter equals a 10sec 1/8. and thats what we will be running
No way. For example, with your time, you ran the 1/8th in 10.4 seconds going 74mph. To cover the next 1/8th in 3 seconds, giving you an ET of 13.4 seconds, you would have to average 150mph over that second 1/8th. That means you'd have to trap at probably about 200mph or so.

When my car did a 14.8 second 1/4, it crossed the 1/8th mile in about 9.5 seconds.

Zorb750
03-19-06, 07:46 PM
im pretty sure an obd2 scanner will read obd1. someone else will comfirm that.

Some will some will not. Lots of OBD1 cars have a different connector on them. Your car is OBD2.

Zorb750
03-19-06, 07:47 PM
that sounds about right. my times will be faster than yours because of altitude. im not sure what NY`s is but were im at is like 50ft.

He's got you in power, weight, and gearing.

96-deville-man
03-19-06, 10:24 PM
He's got you in power, weight, and gearing.

yeah i didnt know he had a coupe.

danbuc
03-19-06, 11:02 PM
What? I don't have a coupe. My STS has four doors. It does weigh less than your car though.

96-deville-man
03-19-06, 11:12 PM
What? I don't have a coupe. My STS has four doors. It does weigh less than your car though.

oh ok well im pretty happy with how this car runs.

davesdeville
03-20-06, 06:27 AM
im pretty sure an obd2 scanner will read obd1. someone else will comfirm that.

I was talking about through the DIC. PCM output PD40 is spark retard in degrees on OBDI northstars, I was wondering if it's possible to see similar info on an OBDII northstar car through the DIC.

davesdeville
03-20-06, 06:33 AM
Im hoping to do it wensday. im expecting alittle better 60` on the track because its stickyer. I have to have my someone over 21 ride with me because i only have a permit. but i will go when ever i can. when i get my license it will be either weekly or bi weekly.

Tech may or may not have a fit if your passenger doesn't have a helmet. Hell they might just have a fit because you don't have an actual license in the first place. I hope they're nice and understanding of your situation and let you get some runs in.

danbuc
03-20-06, 06:38 AM
I've noticed that Florida tracks seem to be a little lacking when it comes to their Tech Inspection. In particular, Orlando Speedway which doesn't really have one at all. You pay the money, get the ticket, sign the form, and go. On top of that, they don't make you wear a helmet unless your running like low 13's or something.

96-deville-man
03-20-06, 03:10 PM
Tech may or may not have a fit if your passenger doesn't have a helmet. Hell they might just have a fit because you don't have an actual license in the first place. I hope they're nice and understanding of your situation and let you get some runs in.

lol nope sunshine dont care. danbuc the race is on let me find out what weekend my dad is off and we will race in the time runs so its heads up. then we will see if we meet in the elimation rounds.

danbuc
03-20-06, 03:50 PM
Sweet...it's on like Donkey Kong now..haha.:want:

fubar569
03-20-06, 04:08 PM
haha....stiffler moment

auroradude
03-20-06, 09:54 PM
Man, high 13s and low 14s..wish my car could do that instead of the 15.8's :bigroll:

96-deville-man
03-21-06, 12:01 AM
I will be out at sunshine this friday the 24th. anybody wanna come out and watch or challenge me in the time runs im game. even if they dont let me drive my dad said he will run for me. he`s a pretty dang good driver.

davesdeville
03-21-06, 07:13 AM
I've noticed that Florida tracks seem to be a little lacking when it comes to their Tech Inspection. In particular, Orlando Speedway which doesn't really have one at all. You pay the money, get the ticket, sign the form, and go. On top of that, they don't make you wear a helmet unless your running like low 13's or something.

Well consider yourself lucky I suppose. I was pulling low 16s, which is pretty slow, and tech got up my ass for not having a battery holddown bracket. It's a 50lb lead brick, it's not going anywhere. They follow NHRA rules pretty strictly, and you need a helmet for 13.99 or better, apparently any passenger needs a helmet for some reason.

turbojimmy
03-21-06, 08:13 AM
Well consider yourself lucky I suppose. I was pulling low 16s, which is pretty slow, and tech got up my ass for not having a battery holddown bracket. It's a 50lb lead brick, it's not going anywhere. They follow NHRA rules pretty strictly, and you need a helmet for 13.99 or better, apparently any passenger needs a helmet for some reason.

I don't think my local NHRA track even allows passengers. A 200 lb. passenger is going to cost you a couple of tenths anyway. They make everyone wear a helmet, too, no matter what ET you're running.

The battery hold-down thing is for the worker's safety as much as it is for yours. If you wreck and the battery dislodges itself in such a way that the positive terminal gets grounded it will cause a fire (this is not far fetched - I've seen it happen).

I forgot to comment earlier on the GTECH's 1/4-mile MPH. The GTECH's MPH through the quarter is going to be higher than your actual timeslip. This is because the GTECH reports the actual MPH when you reach the 1/4-mile mark. At the track, it's calculated based on the time between when you cross the 1,000 ft. beam and the 1,320 beam. It's usually off at least a couple MPH vs. the GTECH.

Jim

MARK99STS
03-21-06, 10:42 AM
mark99sts only ran a 12.9 @ 106 with a 1.85 60'


The reason I had a slower ET is because I was letting off between shifts as not to go to redline and was still spinning in 1st. Not my best run by far. I should be in the low 12's with that mph and 1.75 60 ft if I get full traction. I am working on a way to control the shift points. I will update as soon as I figure it out.

fubar569
03-21-06, 11:30 AM
The reason I had a slower ET is because I was letting off between shifts as not to go to redline and was still spinning in 1st. Not my best run by far. I should be in the low 12's with that mph and 1.75 60 ft if I get full traction. I am working on a way to control the shift points. I will update as soon as I figure it out.

you'll definitely have to let us know if you get that one figured out. isn't it all controlled by those solenoids? gotta be a way to fool the computer that they're ok, yet have us control shift points. - calling eldorado1...speaking of whom...he has a throttle actuated paddle shifter...maybe he needs to let us in on that one? :worship:

eldorado1
03-21-06, 01:11 PM
You rang?

PCS (? I think?) has a transmission controller for about $800 I believe.. Your computer isn't going to play nice with it though...

MARK99STS
03-21-06, 03:32 PM
You rang?

PCS (? I think?) has a transmission controller for about $800 I believe.. Your computer isn't going to play nice with it though...

Yeah, I already talked to them and they said the same thing.

When you interupt lines "A" & "B" going to the tranny, what kind of code does it throw and could you put in a relay switching system like I did with the traction control along with an adjustable RPM switch to send the signal to the solenoid to shift?

Looking for ideas here. I would like to be able to shift at about 6000-6200RPM permananty or switched if possible. What about physically changing the valve body, or a shift kit?

eldorado1
03-21-06, 04:14 PM
Problem is the computer checks the ratio between the input speed sensor and the axle/vss speed sensor (NV ratio). If they don't match with the current commanded gear, then it sets a code.

In addition, disconnecting the a or b solenoid will also set codes. What happens after that, I don't know. It could go into some kind of torque management mode.

If you have a service manual, start reading up on error codes involving the transmission to see what it does/doesn't do.