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Old 02-05-2008, 11:04 PM   #1
qwkwrx
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Default Yet another 18g

i guess i'll share my results even though there are a ton of similar setups all over. i got tuned at atlantic motorsports a couple weekends ago(93 octane). the car feels great. can't wait to get it to the track


mods:
fp td06sl2-18g
txs fmic
d.w. 750cc's
walboro pump
perrin inlet
cobb short ram
ngk bkr7eix's

i guess there's still potential with tgv deletes, meth, ext w.g.....
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Old 02-05-2008, 11:13 PM   #2
ownnij
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i have the same setup but with d.w. 650cc's, are you happy with your setup? i haven't yet got the car dyno'd yet but looking at your dyno sheet i should get something similar right? 750cc make a big difference?
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Old 02-05-2008, 11:14 PM   #3
Sypher
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drew you punk ass biotch! Thought you said you didnt have your dyno plot. Awesome numbers, and thanks for the injectors they fit in the honda !!
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Old 02-05-2008, 11:15 PM   #4
Sypher
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Eh his cars is NASTY, bitch pulls disgusting with that new 18g turbo. Feels alot faster then my 06wrx when I had my momentum even though we dynoed damn near the same numbers.
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Old 02-05-2008, 11:32 PM   #5
SamTodd
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wheres the boost @?
what does stock sti dyno on that ?
heres my dyno sheet from a mustang dyno- same exact setup except for 650 dw's and stock inlet/airbox and a turboxs TMIC
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Old 02-05-2008, 11:37 PM   #6
qwkwrx
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Quote:
Originally Posted by SamTodd View Post
wheres the boost @?
what does stock sti dyno on that ?
not sure about a stock sti...this is a 2.0
boost was fluctuating between 19 and 18psi
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Old 02-05-2008, 11:57 PM   #7
ownnij
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aren't you worried about your tranny?
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Old 02-06-2008, 12:04 AM   #8
qwkwrx
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aren't you worried about your tranny?
yes...but if it goes, it will give me an excuse to sell my soul to get ppg's
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Old 02-06-2008, 09:03 AM   #9
Iflysti06
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I am not very impressed with the numbers! Here is a stock sti @ 21lbs on that same dyno! Makes me wonder what your psi is set at on the 18g?
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Old 02-06-2008, 09:13 AM   #10
testes1010
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Quote:
Originally Posted by Iflysti06 View Post
Makes me wonder what your psi is set at on the 18g?
It shows the boost curve right on his plot.

The car should have another 35whp or so in it if they chose to actually push the car into 23-24psi range(where it belongs IMHO). I can't believe there is still people running the MHI upgraded turbos under 20psi.
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Old 02-06-2008, 10:22 AM   #11
David L.
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Quote:
Originally Posted by Iflysti06 View Post
I am not very impressed with the numbers! Here is a stock sti @ 21lbs on that same dyno! Makes me wonder what your psi is set at on the 18g?
As said below by testes1010 about the 19psi is below the 18g's efficiency range. 21psi on a vf39 you are close to maxing it out...unless you add meth that is.

Quote:
Originally Posted by testes1010 View Post
It shows the boost curve right on his plot.

The car should have another 35whp or so in it if they chose to actually push the car into 23-24psi range(where it belongs IMHO). I can't believe there is still people running the MHI upgraded turbos under 20psi.
Guilty as charged for me. I am only @18.5psi on my '06 due to cooling issues...meth and 23psi coming soon for me....along with a possible Mortal Kombat finishing move on my tranny...
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Old 02-06-2008, 10:59 AM   #12
SamTodd
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Quote:
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As said below by testes1010 about the 19psi is below the 18g's efficiency range. 21psi on a vf39 you are close to maxing it out...unless you add meth that is.



Guilty as charged for me. I am only @18.5psi on my '06 due to cooling issues...meth and 23psi coming soon for me....along with a possible Mortal Kombat finishing move on my tranny...
me too i am only @ 19.5 on my 06 18g as well, having heatsoak issues and i have no bolt ons other than turbo,tmic, and fuel. and i still should go bottom 12s @ 110+ (went 12.7@107 before re-tune)
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Old 02-06-2008, 12:19 PM   #13
ownnij
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makes me wonder if i should get some 750cc injectors. i plan on getting meth and ewg. i get tons of lag on my 02 wrx
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Old 02-06-2008, 12:36 PM   #14
testes1010
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Quote:
Originally Posted by ownnij View Post
makes me wonder if i should get some 750cc injectors. i plan on getting meth and ewg. i get tons of lag on my 02 wrx
injectors have nothing to do with lag, 'making' power(unless you've maxed out your current set), etc.

Your lag (assuming w/ an 18G) is due more than likely to piss poor tuning, either that or a poor boost control setup.

This one I've tuned:

Last edited by testes1010; 02-06-2008 at 12:48 PM.
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Old 02-06-2008, 01:12 PM   #15
raffytaffy
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nice numbers
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Old 02-06-2008, 01:47 PM   #16
ownnij
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Quote:
Originally Posted by testes1010 View Post
injectors have nothing to do with lag, 'making' power(unless you've maxed out your current set), etc.

Your lag (assuming w/ an 18G) is due more than likely to piss poor tuning, either that or a poor boost control setup.
nah, i wasn't saying im lagging because of the injectors. im just saying i want to run meth and a ewg but sure if im maxing out my 650cc at that point but i guess im just not used to feeling boost around 4k to 5k.

Last edited by ownnij; 02-06-2008 at 06:16 PM. Reason: typo
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Old 02-06-2008, 01:57 PM   #17
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Quote:
Originally Posted by ownnij View Post
nah i was saying im lagging because the injectors. im just saying i want to run meth and a ewg but sure if im maxing out my 650cc at that point but i guess im just not used to feeling boost around 4k to 5k.
Adding meth will reduce your Injector DC since you will be leaning out the AFR.
Like Testes said, unless you are maxing out your injectors now moving up to the 740's wont buy you anything.

Any idea what your IDC's are at the moment with teh 640's?
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Old 02-06-2008, 04:23 PM   #18
Hardrvin
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Quote:
Originally Posted by David L. View Post
As said below by testes1010 about the 19psi is below the 18g's efficiency range. 21psi on a vf39 you are close to maxing it out...unless you add meth that is.



Guilty as charged for me. I am only @18.5psi on my '06 due to cooling issues...meth and 23psi coming soon for me....along with a possible Mortal Kombat finishing move on my tranny...
Last time I checked the compressor chart for a 20g (18g charts are not available unless you go for the "squished 20g chart"), a pressure ratio of greater than 2.3 puts you out of the max eff island. BTW, that's ~19psi...

Granted I wouldn't have quams pushing into the next island, but for someone to throw out, "it's below it's efficiency range" w/ no backing...
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Old 02-06-2008, 09:21 PM   #19
audioutopia
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Saw ya'll over at alantic that weekend. We were down the steet at TurboXS, waiting for my brothers evo's tune.
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Old 02-06-2008, 10:54 PM   #20
klattery
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Quote:
Originally Posted by Hardrvin View Post
Last time I checked the compressor chart for a 20g (18g charts are not available unless you go for the "squished 20g chart"), a pressure ratio of greater than 2.3 puts you out of the max eff island. BTW, that's ~19psi...

Granted I wouldn't have quams pushing into the next island, but for someone to throw out, "it's below it's efficiency range" w/ no backing...
The new FP18Gs have a TD06SL2 wheel, and the compressor map allows over 2.5 PR. They have a comp map on the FP site for this new 18G. This is a different map from the compressed 20g map which is all we used to have.
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Old 02-06-2008, 11:03 PM   #21
testes1010
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Quote:
Originally Posted by Hardrvin View Post
Last time I checked the compressor chart for a 20g (18g charts are not available unless you go for the "squished 20g chart"), a pressure ratio of greater than 2.3 puts you out of the max eff island. BTW, that's ~19psi...
I gotta give you shLt just cause you're local.

77% island nearly 22psi, 76% island nearly 24.5psi.

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Old 02-07-2008, 12:09 AM   #22
qwkwrx
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Originally Posted by audioutopia View Post
Saw ya'll over at alantic that weekend. We were down the steet at TurboXS, waiting for my brothers evo's tune.
we walked over to txs but i guess that was before the evo, they were tuning a 06-07 sti
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Old 02-07-2008, 07:51 PM   #23
sjs0433
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I want one of those 18g's real bad...that is my biggest regret when I did my turbo upgrade last year going with a vf34 instead. If my car didn't already have 82k on it I'd probably go bigger.
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Old 02-07-2008, 08:37 PM   #24
The Blue Pilot
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Quote:
Originally Posted by testes1010 View Post
It shows the boost curve right on his plot.

The car should have another 35whp or so in it if they chose to actually push the car into 23-24psi range(where it belongs IMHO). I can't believe there is still people running the MHI upgraded turbos under 20psi.
Cause not everyone gets 93/94 octane like you guys in the mid-states.
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Old 02-07-2008, 08:41 PM   #25
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^^sorry, just realized he's actually running 93 octane. I'm suprised though, you guys are willing to push 24-25 psi without the use of meth or some other octane booster?
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