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Old 09-29-2008, 07:22 AM   #26
Drew dc5
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Quote:
Originally Posted by downsti View Post
saying that the you shift fast and even faster most dog box guys that maybe be a reason for your 7.3 1/8mile pass is a big slap to the face on any of those fastest stock turbo cars 04 05 06 07 08 by all means im not doubting your driving skills...no comment since i never even seen your drive. but from my experiance alot of people do claim they can shift fast. but, only been 3 people have WOWED me so far.
I completely agree, and also with the rest of your post but when I read that I was like wow, seriously now? I hope when he was typing that he didn't actually take the time to think it all the way through cause that's just waaaay off.
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Old 09-29-2008, 07:24 AM   #27
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Originally Posted by Drew dc5 View Post
I completely agree, and also with the rest of your post but when I read that I was like wow, seriously now? Ihope when he was typing that he didn't actually take the time to think it all the way through cause that's just waaaay off.
I hadn't really put much thought into the 1/8 mile time, I did know that 7.3 was more inline with an 11 sec pass, but after a day at the track and 2 hrs of sleep since thursday...I had the zombie thing going on



Thanks for the kind words, I'd have to agree with all of that.... odds are my 1/8 mile was probably pretty close to yours, I would say I could of probably picked up a little bit, but I didn't want to really turn the boost up that much more...I was going to throw some 110 octane in and go for 11's, but I was honestly happy with the 12.3....i'm selling the car, so that will be it's first and last trip to the track.
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Old 09-29-2008, 07:27 AM   #28
Drew dc5
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Yeah, I'm sorry man I really don't mean to keep going at it or anything as I'm sure I'm coming off as an ass. I never thought you were lieing or anything, I just think the sensor more than likely has to be off or something.

Even aside all that, 12.3 on stage 2 is a great run. So, congragulations.

Why are you selling it?
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Old 09-29-2008, 07:30 AM   #29
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I'm actually selling the car to start the 95 Impreza L I have sitting in my shop, I loved my old 01 RSTi and want to build another one, make it even faster. Eventually I think i'll run an EJ207 in it, but for now I think a closed deck 2.5L should do the trick for the car

I just can't wait to get that started, and selling this car will let me finish getting parts in order to do it.

http://forums.nasioc.com/forums/show....php?t=1590235
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Old 09-29-2008, 09:02 AM   #30
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Quote:
Originally Posted by Drew dc5 View Post
I completely agree, and also with the rest of your post but when I read that I was like wow, seriously now? I hope when he was typing that he didn't actually take the time to think it all the way through cause that's just waaaay off.
hahaha yup. i was like that too WOW. 7.3 haha

you guys should post up on the vf39 stock turbo registry

just copy and edit the list then post it up..


Quote:
Originally Posted by Drew dc5 View Post
I respect that... I also shift pretty fast, if you think about it considering our times are alike, even though I was on basically 100 for the 12.3... I was on straight 93 for the 12.5 and neither of them did I powershift for, its not that I can't do it it's that I don't really wnat to until I get engine management w/ flat-foot shifting. I shift fast enough as it is without powershifting, so I'm told, which means it's almost a guarentee I'd pick up time if I did so. So, to say the least neither my 12.3 or 12.5 were ran to their fullest ability (not powershifting I'm saying), I'd say you could gaurentee if I were powershift I'd run 12.1-12.2 on 93/10 and 12.3-12.4 on pump there's no doubt about it. So it seems to me, we both seem to have pretty much the same experience behind the wheel, I mean that could just be my opinion but I'd be willing to go out and prove it haha.. none the less, that's another reason it isn't really easy for me to understand the 7.3. I'm not trying to blow things out of proportion, it's more of a curiousity now. If you did infact run a 7.3 in the 1/8th then by all means that's great, but it's still unexplainable lol...
powershifting is a really a drivers preferance not something that " gurantee " faster time..]

it still really comes down fast you can move that shifter lever into the next gear and how fast can you let the clutch grab for power to move the car foward with the next gear

i have spoken to those car owners on the top 10 list. and none of us uses flat foot shifting aka powershifting or no lift shift feature on any of the cars and no one powershifted. Some went into details saying that powershifting are no good for our cars. and found alot harder to shift goin into the next gear using the powershifting method. rather than completely let off the gas and clutch in all the way then shift. traditional manual fast shifting method

i personally know Earl and Phung both are good friends of mind.. we actually found that if you powershift the shifter lever does not move too smooth or fast as actually doin normal fast shifting method

we actually found a way to shift fast
by letting off the gas haft way at the same time clutch in haft way then SHIFT which almost all on the same time, then let off the clutch and gas in all the way then prepare of the next gear. i guess our way of shifting is somewhat powershifting.. doing this requires lots of practice and lots of timing. if you get it right you will know its one badass shift. if dont get it right either something is broken, you rev pass the rev limiter, bogged the shift.

im sure both of you guys are aware of term my tuner use " Shift Knock " these can cause slower times..

on 06 STi and up i believe is more prone to this problem. and theres also another problem for the 06 and up STi. its safety parameters that cuts the boost/fuel if you shift fast. you basicly have to completely let off your gas out, then clutch in, then shift, then clutch out, then gas in, which def can cause you lots of time off your E.T. since we have 4 total shift on the 1/4mile

thats before cobb released the FFS. which btw has many flaws


heres a very good post iwsti about a stage 2 set up with use of cobbs FFS and LC

Quote:
Originally Posted by Turbo_Mike View Post

Quote:
Originally Posted by C.J. View Post

Its a known fact that most cars using Cobbs mapping with FFS and LC enabled have SERIOUS issues in the neighborhood of knock correction which pulls tons of timing and loses alot of power...which would make way more sense as to why this guys car is running a full second slower than average cars with his modifications.

So to the OP, go back to the track with just the standard stage 2 mapping flashed on your ECU and give it another go.

very good post...... in most cases the car will run slower with FFS and LC enabled because cobb hasn't totally straightened out how to make it not pull timing on hard shifts and you do lose engine power most of the time when using both the LC and the FFS as a result of undesired timing being pulled and even fine learning knock correction being applied during non FFS operation as a result of learned knock..... I'd go back to the track with a non FFS map and see if it helps...

Last edited by downsti; 09-29-2008 at 09:47 AM.
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Old 09-29-2008, 11:33 AM   #31
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Quote:
Originally Posted by downsti View Post
im sure both of you guys are aware of term my tuner use " Shift Knock " these can cause slower times..

on 06 STi and up i believe is more prone to this problem. and theres also another problem for the 06 and up STi. its safety parameters that cuts the boost/fuel if you shift fast. you basicly have to completely let off your gas out, then clutch in, then shift, then clutch out, then gas in, which def can cause you lots of time off your E.T. since we have 4 total shift on the 1/4mile
i dont think there are any parameters in the ecu for this, at least not in romraider.

its just tuning the timing fuel cells you "jump into" when shifting. you go from high rpm to high load to no load and 1500-2000rpm lower, then back to high load in milliseconds.
when you're jumping back to those lower load cells your EGT's, in cylinder temps, boost, etc are all higher in those lower load cells than when you are normally in those lower load cells.

i think most people experience this because there cars arent tuned in every gear, only 4th (for an sti) and i've never seen a tuner tune this on a dyno.
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Old 09-29-2008, 12:01 PM   #32
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I had horrible shift knock on my wrx. Finally I got sick of fighting it and just lowered the FBKC range below what the rpm will drop back to on a shift. Problem solved.

Warning to people new to tuning- Only do this if you 100% sure your timing map is safe and it's not real knock.

You are still protected from a bad tank of gas or something because the FLKC is still active. In my case I have FLKC active from 1000-7000 rpm.

I tried everything to tune it out. I adjusted fuel and timing in the load cells where it falls back to on shifts several times. I came to the conclusion that in my case it was picking up false knock somewhere. My wrx has 115,000 and stuff is probably noisy.
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Old 09-29-2008, 01:50 PM   #33
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lol not bad times!! looks like my old stock motor is going to good use in your car
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Old 09-29-2008, 03:37 PM   #34
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lol not bad times!! looks like my old stock motor is going to good use in your car
yep, thanks the motor is great, your built motor is well on its way as well
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Old 09-29-2008, 03:54 PM   #35
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any chance that WRX top mount is what killed off his top end??
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Old 09-29-2008, 05:08 PM   #36
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any chance that WRX top mount is what killed off his top end??
its possible, but in all honestly the turbo just runs out steam
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Old 09-29-2008, 06:16 PM   #37
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yep, thanks the motor is great, your built motor is well on its way as well

cant wait !! yay
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Old 09-29-2008, 06:18 PM   #38
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congrats Matt
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Old 09-29-2008, 09:25 PM   #39
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thanks jon, the car is blast to drive
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Old 10-01-2008, 05:35 PM   #40
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you saying it's better than my little N/A? HAHA
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Old 10-02-2008, 10:19 AM   #41
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Nice job man. I should be taking my car up with the hta setup before winter so maybe I'll have a good slip for you using that FFS.
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Old 10-02-2008, 10:56 AM   #42
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very nice man
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Old 10-02-2008, 07:28 PM   #43
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you saying it's better than my little N/A? HAHA
never haha

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Originally Posted by MobbDeep222 View Post
Nice job man. I should be taking my car up with the hta setup before winter so maybe I'll have a good slip for you using that FFS.
thanks, I do what I can....sounds good, have to let me know how it does
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Old 10-02-2008, 08:25 PM   #44
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i dont think there are any parameters in the ecu for this, at least not in romraider.

its just tuning the timing fuel cells you "jump into" when shifting. you go from high rpm to high load to no load and 1500-2000rpm lower, then back to high load in milliseconds.
when you're jumping back to those lower load cells your EGT's, in cylinder temps, boost, etc are all higher in those lower load cells than when you are normally in those lower load cells.

i think most people experience this because there cars arent tuned in every gear, only 4th (for an sti) and i've never seen a tuner tune this on a dyno.
Yes I think there is one in Romraider, its called "Rev limit fuel resume" Look for it in Misc.
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Old 10-07-2008, 08:28 PM   #45
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some pictures I just got back from the track day











right before i changed my dial in to a 12.29 .... haha OH NO THE STi IS FASTER!!




DYNO CHART COMING THIS WEEKEND... I'm going to Seattle to tune some cars this weekend and i'll get the car on the dyno.

Last edited by Benchmark Tuning; 10-07-2008 at 08:42 PM.
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Old 10-07-2008, 09:16 PM   #46
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Nothing wrong with hurting a little Vette ego.
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Old 10-07-2008, 09:55 PM   #47
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nice pics Matt
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Old 10-08-2008, 12:37 AM   #48
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that last pic is the killer!!!!!1
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Old 10-10-2008, 01:14 AM   #49
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thanks... car is going on the dyno this weekend since i'm going to seattle to tune at PIA... might as well see what she makes
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Old 10-10-2008, 06:45 AM   #50
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the wheels look good on the car Matt, are those 18s or 17s? and 45 ET or 35 ET? some cars I see with them they look good, other cars I do not like them.
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