well i went to the track and froze my balls off yesterday just so i could get an idea of what my car is doing now...it ran a 16.1which is the same as it was when it was stock...
i know my reaction time was really bad at .5 which is usually not the case...and my 60' time was also a little slower than usual at 2.4....i thought the cams would have helped out but they didnt i guess...i know im going to get a lot of criticism for my reaction and 60' which i understand but i just wanna know what ppl think my problem could be...i know its a cavvy and whatever blah blah blah but i at least expected to hit in the 15's this year...i can say after i get my head in and it dont improve im going to blow the car up lol...
First of all reaction time doesn't affect your 1/4 mile time, your reaction time can be 2 seconds for all I care. But a 16.1 does seem really slow, my beater cav ran a 15.6 @90 mph almost stock.
Being an automatic will slow you down but I would think you would as leat be in 15's (with a good launch you will)
start seeing what peopel with similar mods are running.
Yeah, that is a little slow...when my GF ran the car she got a 15.6 with my current mods.
well you do have an auto 2.4, get your 60' down to get 15s.
I want to share something with you - the three sentences that will get you through life. Number one, 'cover for me', Number two, 'oh, good idea, boss', Number three, 'it was like that when I got here.'
my roommates auto 2.4 ran a 16.01 completely stock. get that 60ft time down and you'll see 15s
i ran a 16.1 stock and just assumed with everything else that i have on my car now i would have seen the 15's
being that you frooze your balls off. track conditions probaly were not ideal
Im a Xbox 360 fanboy...and damn proud of it!!
it was about 40 degrees.....somebody also told me to get my tps voltage checked out cause i noticed that from 3/4 throttle to full throttle there is no difference...so basically my car at 3/4 throttle is my max...i had someone press the throttle to see if it opened all the way and made sure the cables were fine and there was nothing wrong with either of those...
a buddy of mine has simular mods to you, and with an auto, it ran 16.0 after modding it, ran 15.8 stock. everything you have done leans more towards higher rpm power, and likley it has moved the powerband up. in turn, you have now taken the low end torque away causing your slow 60'. if you want to make use of the power you have you are going to want to get a high stall converter, id say around 3500rpm.
What tire setup were you running?Cold temps are good to run your car but not on the track when you tryin to hook up and you said you had a 1/2 sec. R/T which I don't think is that horible.My first time at the track I ran a 16.7 (.667 R/T)with a W.A.I..I have a 98 cav.2.4L vert.auto,so I'm heavy already and an auto to boot,plus car was loaded down with speaker stuff and n20 wasn't working,but yeah a good set of 14's/15's and warmer track cond. you'll have a better time.
15.2@89mph 2.171 60ft. 9.830 1/8 R.I.P. "LULU"
had the stock 16's with kumho ecsta tires so nothing special
yeah I ran with 225/50/16's Yokahama's and Ultra alum. rims which I was told was too heavy of a tire/rim combination
15.2@89mph 2.171 60ft. 9.830 1/8 R.I.P. "LULU"
Well first you are a auto. Auto's perform like @!#$ at the track (I own a auto Z as well). Unless your boosted or have nitrous a auto car at the track sucks. I fastest all motor auto 2.4 I have seen is a 15.6. What was your MPH when your car was stock? What was your tire pressure when you ran this time? What RPM did you launch at?
FU Tuning
it was the same mph honestly nothing about my 1/4 mile time has changed thats what i think is crazy....tire pressure was roughly 35, cause i didnt know if i was spinning or not...i know when ive taken it out on back roads and tried it with these tires it spun alot...actually pretty much through 1st and sometimes a little into 2nd...i launched at about 2000 rpm i think, cause i thought i was going to be able to have a few runs to play around, but was only able to get the one in because it started snowing...
the thing is i always do bad at the track...ive raced a couple of my friends cavvys on the street and beat them easily, but at the track they run usually around 15.7-15.8 and i still run my 16.1...
i have even beat a eagle talon awd turbo on the street (and yes i have witnesses the guy thought he was going to kick my ass but did not) i barely beat him but i did if that gives you an assumption of how my car runs on the street...
i just dont understand why i can do good on the street but on the track i suck unless i am possibly spinning...problem is i never have anyone sitting down there on the side to tell me or not and at the track its too loud to tell like i can on the street....
i can vouch that autos suck at the track. with AEM cai, rk upper mount, 2 1/4 cat back, 60mm tb, ported intake manifold, and a couple other minor mods i ran a 16.7. now my car is an eco, but i still expected better. course being a fully loaded 4 dr ls sport im heavy too. anyhow, ive played with my friends cars on the street and done much better than the times at the tracked showed later on.
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IMO you should wait until it's a nice 70+ degrees out so track temps. will be better and try launching at around 2500 rpm's with your tire pressure at or around 26-28psi,eventually you will get better at your r/t's and think of adding a n2o wet kit with a small shot,with that you would never run in the 16's again
15.2@89mph 2.171 60ft. 9.830 1/8 R.I.P. "LULU"
I just got my 01 2.4 auto not long ago, plan on running it prolly this coming friday for the first time. Ive got a wai,58mm tb,and pacesetter catback now; Ill have a pacesetter ceramic header with magnaflow cat, and rk lower mount in before I run. Ill post up my times. My friend has an eco auto coupe and ran a 15.6 with wai,60mm tb,pacesetter header w/ magnaflow cat,and 2.25 piping with magnaflow muffler. He'll be going with me since hes getting mounts and a shiftplus before then.
I mean different cars perform different in different climates, but its not like you live in Colorado so idk.
did you power brake for the launch?
My car may run 18s, but I can do your taxes in 10 seconds flat.
JBO lube - they would never have enough in stock and we'd never see RodimusPrime again
yeah i power braked and ill lower my tire pressure and launch a lil higher next time....and as far as reaction time usually im around .07 and at the most .1....and only reason im going in the cold ass weather is i have to have surgery on my ankle and get a bone transplant in it...so wont be until next season until im driving and until i will be able to go to the track again and im not going to wait that long to race......sad enough my car has to sit that long....
my car might be slow but there is still a rush about lining up and seeing those lights countdown from red to yellow and the anticipation on that wonderful green light...
3rd gear in the 4t40e is REEEAAAAALLLLYYYY tall. That might be what kills most NA auto J's (apart from being heavier and having more power loss).
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"Youth in Asia"...I don't see anything wrong with that.
From personnal experience it's really easier to pull faster and more constant R/T in the auto. I remember I was killing most 5spd off the line and leading by 2 car lenghts or so at the 1/8 mark. Bone stock vs bone stock, me running 15.9 and the 5 spd doing 15.6-15.7. Then that thing gets into 3rd gear and you REALLY see the big difference with the manual. It's something you must see live in the moment to really understand, you're peeking over your right shoulder and you just see him closing and closing again....1 1/2 car lenght....1 car....3/4....1/2.....dammit almost side by side and you can see the finish line couple meters away!!! I have the slips right here and I think 4 out of the 5 races were won by less than a car lenght. I have here .180, .160, .117, .019 (we didn't actually knew who won with the view in the car!!!!) difference at the line on the slips from that night.
When I'm talking here about good R/T we are looking at non stop .1xx on a perfect .000 tree. The typical drag racer will pull .3-.4 so if you can squeeze right there a .250-.300 off the line you have a good chance in the auto. With this car I don't know if it's me or the car but I'm like a crazy R/T machine. In fact at this moment I have 18 timeslips from 2-3 times at the race track.
x1 red light
x2 .4xx
x7 under .200
x8 under .100
Must be some kind of perfect anticipation with the lights of the tree I have developped because I don't see many people pulling those run after run after run. With heads up racing this is what will win you races when facing a car running a time almost identical to yours.
On the top end the difference was 2 mph between the auto & 5 spd that night. I was seeing 86-87 and him 88-89. He did improve afterwards on another day to 15.5x @ 90.x so we can put it at an average 3 mph difference in optimum performance for both trannies. 3 mph might seem very small but you really see it when he's catching up. 3rd gear on the 4t40e is really it's weak point big time.
So all in all this is no more a problem since I'm now S/C.
Looking for some stock auto Eco + S/C only times very soon.
Sunfire 2005 Automatic - GMPP S/C + Motor Mounts + Drag Radials - 14.244 @ 96.497
^^^^^^ You must have 1 hell of a auto Z. Pulling 86-87mph stock is awesome for a auto compared to what I have seen.
I will saying running at the track and on the street are 2 totally different things. You can not compare them or use info that helps on the street for the track. I'm sure the temp hurt your traction. Keep going and get more than 1 run and try different things.
FU Tuning
what is the elevation of which the track is at?
i think 465 above sea level
Darkstars wrote:First of all reaction time doesn't affect your 1/4 mile time, your reaction time can be 2 seconds for all I care. But a 16.1 does seem really slow, my beater cav ran a 15.6 @90 mph almost stock.
Being an automatic will slow you down but I would think you would as leat be in 15's (with a good launch you will)
start seeing what peopel with similar mods are running.
Once again, just like karo said, reaction time does not affect your 1/4 mile time. It only affects you if you are racing a heads up race. You could sit there for an hour and still run a 16.01. I love watching auto's with big turbo's just sit there and spool up the turbo while the other guy leaves on the light, then they blow past them in the end.
