My top end continues to screw all the solid launches I have and kill my time.
Went to the track again tonight and got 3 runs in. The last was a complete joke. Someone had just dropped oil all over the track and they spent 30-45 minutes cleaning it up. The traction was dog**** after that. I spun so much right out of the gate that when I finished I had track garbage and spent rubber all over my tires. It was glues on there from all the gule they just layed down. It was caked on my tires. So terrible. Last run was also made with the DR mod off.
Anyway here are the runs. Temperature was around 80 for all runs. Notice the weak times after I got decent first 2 launches.

R/T .322 .447 .368

60 2.190 2.246 2.318

330 6.237 6.273 6.325

1/8 9.554 9.579 9.626

MPH 73.85 74.07 74.06

1000 12.427 12.446 12.496

1/4 14.864 14.876 14.933

MPH 92.70 92.95 92.60

 

car is a 6-speed right? did you run on your 18s? you shifting quick enough. its not just your top end that slow. your 330' 1/8 mile ET is pretty slow too.

 

Car is auto. I did run on the 18's. The first run had a good 60.

 

hmmm...try making some passes on your stock 17's if you got em. i'm not sure what could be causing the slow times. Your car should be a bit faster than that with the mods you have..

 

very low...
what is the elevation where you are located??? do other ppl run slow at that track too?

 

60's are good, just the trap and the second 18/th is sh!tty so that would lead me to believe he's about sea level, asloe because his track isnt posted on the NHRA correction factor list meaning he's pretty close to sea level.

 

If he went to GIR in madison, which I believe is the one he usually goes, it's at 413ft elevation so it's not a factor.

 

I did run at Gateway.
I thought about running with the 17's on but they still have the stock potenzas on them and not the best tread. Probably around 50k on them. I thought about just even putting them on the fronts.
Yes, the speed increases from my 1/8 to 1/4 is under 20 mph-close to 18mph. Doesn't seem that great.

Reall the only performance mods I have is short ram intake and cat-back. You could throw the timing in and I have run the same time (14.82) without the DR mod on. So not really big gain performance mods on there. And not sure how much the 18's are affecting things if at all.

 

Yeah those traps are not very good. Not appalling but on the lower end of the spectrum definately I'd say. Looks like it was a bit warmer than one would like yesterday, I wouldn't call the conditions bad though. Anyone else run at that track? I know GIR is a track they run some major events at so I would think it's decent and not abnormally slow or something but I've never run there myself.

 

I guess I need to throw on the 17's and see if my time improves. Then I could rule out the 18's possibly. It's just the tires on there aren't that great. So that might hurt my time as well.
The 3rd run was a joke, oil spilled track-spin city, so don't even pay attention to it.

 

Its not your topend. Your car runs right on par for an auto gaining 18-20mph in the last 1/8th. And considering your mods (from what I see listed) your times are about right. If you lose the heavy as$ Mille Miglias you should see 14.6's@93-94mph. I was only able to run 13.9s -14.0s at ~97-98mph with my Evos when I had them.

 

My time before I did the intake and exhaust was 14.7 @ 92 and 14.6 @92 with slicks so you aren't out of the park.

The only real performance mods I have done since are the intake and full exhaust. I would suggest you get headers if you want some real gains, the catback isn't really any help without opening up the front end of the exhaust. With my setup I seem to get better times with the stock muffler vs the straight thru and its much easier to live with.

 

I thought it was typical to see about 95mph out of a stock 2k2 auto?

 

Well I don't think the stock wheels are that much lighter. The MM are 26 lbs. a piece. Not sure what the stock are but I think they are close to that.
So the MM slowed you down by .2-.3? That hurts man.


Yeah I definately plan on getting headers. I imagine those along with the y-pipe it comes with will make a solid difference. Since I am not even running a y-pipe now.

 

That would be a fast stock Auto. The fastest trap speed mine saw was 93.3mph in stock form. With the addition of headers, UDP, 2.5' b-pipe and GAB I gained 7-8mph in the 1/4.

 

What kind of times would I be looking at with the addition of headers? How much time drop off the 1/4 and what kind of mph?

I was thinking low 14's.

 

Yeah 95 would be a very fast stock auto typically they are around 92-93mph

 

Looking at your current times, with headers I would expect you to see at least 14.4's @ 96ish possibly better

 

It seems the mph would be higher than that. You are saying only a 3 mph increase with headers. ET should be lower as well.

 

I went from a 14.6 to a 13.6 and gained 10+ mph with intake and full exhaust from stock. That was from one weekend to the next no other changes and I made at least 6 runs each weekend all comparable, temp was basically the same too.

You won't do that without slicks though. I only did one run with streets and netted a 13.9.

 

Gotcha, but low 14's is around what I can expect, correct? I just want to get a figure on the money for headers compared to results. Although, I will probably end up gettting the headers regardless. But I am pretty sure low 14's is just about right.

 

headers will net more of a gain than all the other bolt ons combined...

 

I know that.
I am looking for somewhat exact figures.

 

If you put headers on the car and keep the 18s I am estimating 14.4@96 as well.

 

check my post from a while ago I have most of the info you are looking for.

http://forums.maxima.org/showthread....t=dyno+headers

 

Do you run with all your stereo equiptment?

 

lol I just realized that was the thread I created when I got banned for like an hour

 

I take the subs out. That is it. Radio and amp are still in the car.