so hows this look for a 94 A4 Z28 with the mods listed in my sig...
R/T : 0.657
60' : 2.291
330' : 6.138
594' : 8.732
1/8 : 9.315

track was only 1/8 =/ i thought the times were horrible but then i went back and watched my moms video and relized why... trans still isnt fixed from the idiot that rebuilt it and it pegs teh rev limiter for the last bit (wont shift into 3rd at wot) i had a few runs in the 9.22X but that was because i let out of it just enough to let it shift at the end, but anyway for the mods listed with no wot 3rd shift howd i do?

 

anybody have a comparison for this? maybe even just another completely stock Z28, im just lookin for somethin to compare to and see how much the third gear shift hurt my times. i know it didnt help to bounce off the rev limiter for the last part of it.. being stuck at 73mph on it didnt help anything either (although my runs were faster bouncin off the limiter at 73 than letting out to let it shift lmao) anyhow, anyone have numbers from another Z with 3.73 or anything close to mine.
and if not ild be happy to know how much 3.73 gears help 1/8 and 1/4 times (basically what im lookin for anyway)

 

I hate to say it, but those times are horrible. A stock LT1 should run in the 9.0 range or better. Don't know if it's traction or what, but something's way off, not just the lack of 3rd gear.

 

thats what i was thinking too, thats why i posted it. i needed something to compare to. maybe a horrible tune but it seemed to run alright until it shifted because i kept up with the other Z i ran until i hit 2nd he jumped me then walked away when it tried to hit 3rd gear (2nd gear shifts but its weak very near if not below stock shift firmness) the other lt1 camaros there were runnin around the same but most of them had 3.23 gears or stick shifts 0_0
i know mine is lightly modded but i figured the duals even with a stock manifold would help a good bit especially with the 3.73 gears... im just glad i never took it to the track with 2.73 gears if it did that poorly. im thinkin if it is anything major.. the car has 140k miles so its probly the opti gettin ready to take a dump on me... it has started a small hesitation around idle on me these days and about died on me while i was stalling it to wait on the light once.. im hopin its just the fuel filter but knowin the stories its probly the opti ... but ill find out in a week or two when the trans is fixed if it did hurt my times that badly! bouncin off the rev limiter for the distance of 2 pole lights had to hurt my times pretty bad

 

If you haven't had a tune put in it since your 3.73 install, that could explain it bouncing off the rev limiter, etc. Mine did the same thing when I first bought it, the guy before never had it tuned. Bryan at PCMforless can most likely take care of that for you. I got the unlimited load your own package when I first bought my car, and it has been worth every penny.

As far as the hesitation, check your coil first, they're only like $20 and they are 1/20th the trouble to change compared to opti. Like you said, check that fuel filter too, they're cheap and easy. If you have to, take it to a dealer and pay them the $85 or whatever to hook it up to their diagnostics before you do an opti. Just give the engine bay a good once over, checking all wiring, spark plug wires, etc. Just about anything short of pulling the motor is easier than changing out an opti. Hope this can save you some trouble.

Also, what altitude are you at? I forgot to take that into consideration before slamming on your times. I'm spoiled here at the Gulf Coast, we're at 0. Your times might not be as bad as they seem if you're at any elevation at all.

 

9.3 in the 1/8 is like 14.4 in the 1/4 or so. Maybe higher. Definitely got a problem somewhere unless you're at an insanely high altitude.

 

no high altitude, down in the valley in fact i dont know exactly what it is, but im surrounded by mountains. and the bouncing off the rev limiter is something crazy, because it did that ebfore i put the gears in. i DID find the problem with the hesitation though it was actually the computer was gettin throw off badly by it intaking air AFTER the maf... threw off a lot of things (had a bad.. err destroyed connection in the duct going into the throttle body) that fixed the hesitation anyway, hopefully it fixed the times and when i get the trans fixed maybe itll bring it down into the 8s.. i hope... ill know soon enough, but would a faulty EGR effect it? miens been throwin a code for that lately not showin anything with the opti though... it seems odd for something to be that bad off when the only trouble code was the egr 0_0 maybe my 2+ 60' couldve hurt? didnt spin the water off my tires i was afraid too beacause i had just shelled out 600 for the rear tires alone a few days before lmao danged asymetrical pirelli's bah... anyway ill let yall know how it turns out next time i get it out to the track.. after i get the trans to shift. thanks for the advice though
i'm also thinking about having a mail order tune from madZ28, and probly will if the shop keeps it again next week. hopefully that will take care of a little...

 

im pretty sure it converts over to a 13.95 not absolute eqaution but its proven true for me a few times (1/8times) / 2 = X x+(1/8time) so a 10 second 1/8 would be a 15 second 1/4 thats for a steady power band though because you're already movin then you gain half as much speed but thats just my guestimate equation, i dont think it works for wide open drag cars though (4 second 1/8 = 6 second quarter) so like i said dont know of an exact equation but for the average street car that one works pretty well if anyone knows the exact equation please let me know!

but if im not mistaken my car shouldve run that stock.. with the 3.73 it should run mid 13's? im glad i never ran with my 2.73.. though i wouldve liked to run before all this bs started with my trans goin out .. though it also all started after my car sat for 1 month for getting caught street racing... letting a car sit is bad for its health.. and mine! lol

 

9.3 would never equate to 13.95, unless you spun the tires horribly off the line. As a general rule, 9.0 = 14.0. So, like someone said already, 9.3 = 14.4 or higher.

 

R/T .758 60' 2.62 1/8 9.463 MPH 78.60 1/4 14.388 MPH 101.02

thats what i was running .... however if u look at my 60' thats my prob.

 

my 60' probly is a little higher than it should be.. if i wasnt afraid to spin em i couldve probly gotten it right at 2.0 (which it ended up ild spin em anyway comin off the line..) but this is whats good about the internet and track times, once you get other ppls times with similar cars you can find out if uve got something way out of wack or not! thanks all

 

Is 2.62 even possible? I think I could beat that if it were sleeting.

 

ha i know its sad... it was first time to the track, only been driving stick for 2 months, bald 18" nittos...


on two of the runs i just smoked the tires through 2nd gear... and another i bogged sooo bad..ha plus on most of the runs i missed 3rd gear, or had trouble shifting... ill post a video... its embarissing but funny..

since ive gotten a lot more experience and fixed all the problems with the car cept the bald tires with any luck will be done next week.

with my trap i know the car is capable of some good times... just need a driver

----didnt mean to jack the thread -------

 

Hmm, nope. I ran a 13.95 once. My 1/8th was 9.029 on that run. 9.3 definitely is mid 14s.

Don't be afraid to spin them unless you're bracket racing on street tires. Been there done that. Let it rip next time.

kingman109- Post the vid.

 

http://kingman.rh.rit.edu/ken3.wmv

first run was first run of the night and ever.... that squellin were my tires and of course i missed third gear and just gave up at the end (hence i stopped gaining on the other car)

2nd.. my second run...missed rolled too far forward.. had to back up... then on launch it bogged horribly, had to get off gas and get back on it, then as u can hear i hit in between third and 5th so once again i just stopped and cruised to the end of track...


so yup... those were my 2 most embarassing runs but you gotta start somewhere


oohh and i think this was the timeslip from that last run
http://image16.webshots.com/16/7/58/...7Ozfwed_fs.jpg



(ohh buddy made the compilation video hence the crappy text)