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Old 07-14-2002, 06:34 PM   #1
boostin1320
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Default bad 1320 time

105 temp out in ontario ca
on 1.1 bar this is how i did
r/t .580
60 ft 2.009
330... 5.711
1/8... 8.841
mph... 79.60
1000... 11.477
1/4... 13.780
mph 98.95

I think the 18's dont help , turbo is too small , way to hot , and the gearing for 4th is way to long wiht the modified gears very little pull in 4th gear but i think this time is pretty impressive on stock turbo with the temp and the size rims let me know what ya think .....


mods:
apexi s- afc runnin 11.8 af ratio
apexi avc-r set at 1.1 bar
apexi tt
blitz sus filter custom 3 inch piping inlet
blitz radiator cap
blitz frontmount intercooler
blitz bov dd
samco inlet hose
bpm 3 inch turbo back no cats
m2 uppipe no cat
ported throttlebody with bypassed coolant lines
lightwieght underdrive pulley
no vaccum lines into the inlet pipe and pvc valve blocked from inlet pipeand under tb with kn filter

kyb adj. struts
hnr race springs

18 inch volk racing se37k w/yoko parada 215/45/18
chalak lightwieght flywheel
mrt clutch
mrt drag trans
sti tranny mount
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Old 07-14-2002, 07:27 PM   #2
BamBooI
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Lot of mods for such a slow time.
Heres the formula for a faster timeslip:

Work on that 60 ft.
Put stock tires+rims on if you have them.
Make sure its dyno tuned(I hope you are not street tuning that safc)
Practice.
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Old 07-14-2002, 08:54 PM   #3
Sordid Philosopher
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My 2 cents...

What elevation are you at?

I ran my best time on stock 16" tires inflated to 40 lbs...

You seem to have several mods...FMIC, AVC-R, AFC-S, no cats, underdrive pulley and light flywheel...man have you been to a tuner, or did you do it yourself? You have a lot of go fast parts but you didn't do so well...unless you are at high altitude or else I'm missing something...

How did everyone else do at that track?

Good Luck!
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Old 07-14-2002, 09:40 PM   #4
boostin1320
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self tuning off of a a/f gauge which i know i need to get into the dyno , but i think my gearing has alot to do the car has no power in 4th casue the gear is so long. plus the temps do not help at all ,

im not sure of the elevation im thinkin maybe around 2000ft not sure though ,I sold my stock rims , so who knows i think next is dyno tuning
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Old 07-15-2002, 11:18 AM   #5
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The times are slow, but I understand about the heat. It gets HOT here in south texas. I've lost 2mph and 2tenths just from last month.

Also, on stock turbo I found the best boost setting to be 1.2 kg/cm^2 (what the AVC-R reads in, NOT bar). It'll taper by itself no matter what.

Also, the 60' is robbing you of 4 tenths right there. Just work on the hooking. It looks like you bogged.

good luck.
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Old 07-15-2002, 01:03 PM   #6
SGOSWRX
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I wouldn't be to hard on yourself. If your track is at 2000ft elevation and it was a hot as you say it was then your times aren't bad at all. Just work on getting that 60' time down. No matter what type of wheel/tire combination anyone is running they can get down in the 1.8-1.9 range with a proper launch technique.
My best 60' with my 17'' wheels is a 1.78. So it can be done with aftermarket wheels

Better weather - cool and dry.
Better 60' time - 1.83
Sea level track
And you could easily be running low 13s.

Last edited by SGOSWRX; 07-15-2002 at 01:10 PM.
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Old 07-15-2002, 01:13 PM   #7
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For reference, this is what I ran at Palmdale (2710 ft).

TXS Stage 2, Catless, AEM cold air, Vishnu Pulley, on 17 P1 w/ Toyo FZ4, Full interior (mats, autolock, spare, tools), 230lb driver and 3/4 tank of gas.

Max boost was hitting only 14psi tapering to 11 at redline.

I would always debate whether or not to shift into 4th. I'd hit the fuel cut if I didn't. 4th just sucks at the end of the run.

Whats the track in Ontario called?
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Old 07-15-2002, 02:25 PM   #8
V6TurboTA
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For reference I ran this with an air filter and an MBC as my ONLY mods. This is on 17" wheels also




~v6
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Old 07-15-2002, 02:28 PM   #9
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Quote:
Originally posted by V6TurboTA
For reference I ran this with an air filter and an MBC as my ONLY mods. This is on 17" wheels also




~v6
17.047?
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Old 07-15-2002, 02:31 PM   #10
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Quote:
Originally posted by Sordid Philosopher


17.047?
13.5. Where is your common sense at?
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Old 07-15-2002, 02:32 PM   #11
V6TurboTA
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I didnt think it was nessacary to mention i was car D408... but I guess so.

~v6
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Old 07-15-2002, 04:35 PM   #12
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Quote:
Originally posted by BamBooI

13.5. Where is your common sense at?
It was a joke

Just trying to be funny.
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Old 07-15-2002, 06:49 PM   #13
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Quote:
Originally posted by Sordid Philosopher


It was a joke

Just trying to be funny.
Good one.
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Old 07-15-2002, 07:43 PM   #14
boostin1320
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well out of all 6 runs i had the same constant 60 ft so i know for a fact its got something to do with the rims and the heat ,few months earlier with out the frontmount and the afc i had my stocks on at 4000 ft elevation and got a 1.922 60 ft so this is why im so puzzled i know the car is cabable of a 12.9 with right 60 ft and if 4th gear didnt lagg so much , my friend has a 13.2 sec honda and i walk on him the whole way so it confuses me when im runnin these times at the track , not to mention i left my car runnin for 5 min on the way up to the line i think the motor was way to hot , those blitz piping for the front mount were so hot to touch , exhaust wrap for sure will help ..
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Old 07-15-2002, 09:12 PM   #15
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Quote:
Originally posted by boostin1320
well out of all 6 runs i had the same constant 60 ft so i know for a fact its got something to do with the rims and the heat ,few months earlier with out the frontmount and the afc i had my stocks on at 4000 ft elevation and got a 1.922 60 ft so this is why im so puzzled i know the car is cabable of a 12.9 with right 60 ft and if 4th gear didnt lagg so much , my friend has a 13.2 sec honda and i walk on him the whole way so it confuses me when im runnin these times at the track , not to mention i left my car runnin for 5 min on the way up to the line i think the motor was way to hot , those blitz piping for the front mount were so hot to touch , exhaust wrap for sure will help ..
Those rims that you're running are in the area of 17-18lbs, no? And the tires are heavier for sure. So per wheel you've probably got about 5-6lbs over the stock wheels. That's not so terrible really.

I'm running 17lb 17" wheels with heavier tires than stock and it doesn't seem to be too burdensome on my 60' ft's. I consistenly run 1.8's and on a bad launch it may result in a high 1.9.

So if your wheels aren't super heavy, I wouldn't worry about it too much. Just practice your launch technique. And, like TypeC mentioned, you've got nearly .4 potential just sitting there at your disposal.

The heat will screw up your times pretty good I bet. However, even if you added 2mph on a cooler day I don't think your traps will get you below 13.2 @ 101. Just my take on it though.
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Old 07-16-2002, 02:09 AM   #16
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Um, my physics may be a little rusty but the larger the rim the farther the metal is from the center...the more torque required to move it...small rims with large tires (assuming tires weigh less than metal) would take less energy to overcome.

so larger rims mean more energy lost in speeding them and more energy required to slow them down...if metal weighs more than the rubber tire.

Just my opinion...need to find the physics book....
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Old 07-16-2002, 09:25 AM   #17
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Quote:
Originally posted by Sordid Philosopher
Um, my physics may be a little rusty but the larger the rim the farther the metal is from the center...the more torque required to move it...small rims with large tires (assuming tires weigh less than metal) would take less energy to overcome.

so larger rims mean more energy lost in speeding them and more energy required to slow them down...if metal weighs more than the rubber tire.

Just my opinion...need to find the physics book....
You are correct. Most people would agree on that as (almost) common knowledge amongst enthusiast. I was just saying that there are a lot of us running 17" wheels that don't seem to be too badly affected.

So yeah, the larger wheels may slow you down but by how much?? I think the 17" wheel over stock is marginal and the 18" over the 17" is marginal. That was my point.

Anyhow, based on the trap speed that gives a better indication of what's possible in the car's current state of tune and you can even add a couple of mph to offset the 105 f temperature.

The 60' - has more to do - with the person behind the wheel than the the car IMO. Of course, I need to practice myself as I've only been able to click of my lowest of 1.808 and most often mid 1.85's.
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Old 07-16-2002, 12:36 PM   #18
Sordid Philosopher
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tmarcel - 1.8 is a GREAT 60' time (I can't do it )

Don't underestimate rotational mass around a larger wheel. I couldn't get under 2.1 for 60' with 17" wheels but when I put the stock 16" on inflated to 40 lbs - I got 1.85 (which is FANTASTIC for me) same launch as the 2.11 (I clearly need more practice). My point being that the smaller tires made a big difference in MY 60' times.
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Old 07-16-2002, 01:40 PM   #19
Division By Zero
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I'll give the smaller, stock wheels a try next time out to the track and see how much a difference it makes. I wonder if the trap speed would also increase? My problem is that the closet 1/4 track is over an hour away, so I don't get a chance to practice much.
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Old 07-16-2002, 02:26 PM   #20
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Quote:
Originally posted by Sordid Philosopher
tmarcel - 1.8 is a GREAT 60' time (I can't do it )

Don't underestimate rotational mass around a larger wheel. I couldn't get under 2.1 for 60' with 17" wheels but when I put the stock 16" on inflated to 40 lbs - I got 1.85 (which is FANTASTIC for me) same launch as the 2.11 (I clearly need more practice). My point being that the smaller tires made a big difference in MY 60' times.
What happen to your wrx? Did you wreck it or something? Looking at your sub profile.
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Old 07-19-2002, 09:22 AM   #21
Kenneth2000
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Default boostin1320

I'm kinda new to the whole drag thing.... but, I'll share my experience.....

When I had gone to the track a couple of months ago I was running consistant 1.8 60 foot times.... doing a 14.0 in the 1/4

Well, I was at the track again not to long ago, and I can't seem to do better than a 1.95, mostly 2.0's now! (but now, with more upgrades, doing 13.5's at 100mph)

I was like, what the hell? I talked to a couple of friends... and it appears that the only thing really different is the fact that I now have a Fidanza 9.8 lb flywheel....... everyone believes that it is actually working against me on the launch......

I can't think of anything else..... plus, I don't "drop" the clutch either... I always try to slip it just right... of course.... I can't seem to get that down 100% of the time either...
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Old 07-19-2002, 09:49 AM   #22
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Default Re: boostin1320

Quote:
Originally posted by Kenneth2000
I'm kinda new to the whole drag thing.... but, I'll share my experience.....

When I had gone to the track a couple of months ago I was running consistant 1.8 60 foot times.... doing a 14.0 in the 1/4

Well, I was at the track again not to long ago, and I can't seem to do better than a 1.95, mostly 2.0's now! (but now, with more upgrades, doing 13.5's at 100mph)

I was like, what the hell? I talked to a couple of friends... and it appears that the only thing really different is the fact that I now have a Fidanza 9.8 lb flywheel....... everyone believes that it is actually working against me on the launch......

I can't think of anything else..... plus, I don't "drop" the clutch either... I always try to slip it just right... of course.... I can't seem to get that down 100% of the time either...
Supposively you are not suppose to go under 12lbs for a flywheel. That is what I read on here and am not sure.
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Old 07-19-2002, 10:19 AM   #23
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Usually the problems with the lightened flywheel are idling problems and it's harder to take off from a start with one. A local guy got one and many people stalled his car driving it the first time. It doesn't have as much inertia as the stock flywheel so your revs are going to drop much quicker (especially with a 9.8lb flywheel). Some have said the WRX is a hard car to launch perfectly, well a lightened flywheel just makes it that much harder. The benefit of course is in acceleration, and I think a lightened flywheel might be good for a few MPH and a couple tenths. You probably just have to adjust your launching technique.

Last edited by dwx; 07-19-2002 at 12:34 PM.
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Old 07-19-2002, 11:17 AM   #24
Sordid Philosopher
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Note: Not first hand info cause I never got 1.8's

I am told that as you mod the car, your launch technique may have to change in order to keep the 1.8's

Try experimenting a little and see if maybe higher RPM's or lower or ???

Good Luck.
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