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71hta.skunk2.GSC S2. 3" TBE/o2 Dump @ easy boost level

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Old Mar 4, 2013, 07:09 PM
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71hta.skunk2.GSC S2. 3" TBE/o2 Dump @ easy boost level

Heres an easy boost level on 93 oct. Im running speed density too. my tires are 205/55/17 studded. Excellent for winter fun in the tug hill plateau.

This has been a 430-440 hp car my entire time tuning, learning to tune cams etc, WOT was always easy but now Im finally getting the hang of transient throttle tuning with cams. Good learning experience, and hell,, i didnt blow it up!!!

boost creeps because Ive got the FP 25psi wga preloaded a couple turns and this is where it lands. looks like 22ish. No boost controller hooked up, this is straight reference line to the wastegate.

Attached Thumbnails 71hta.skunk2.GSC S2. 3" TBE/o2 Dump @ easy boost level-20p.jpg  

Last edited by 211Ratsbud; Mar 4, 2013 at 07:30 PM.
Old Mar 4, 2013, 07:27 PM
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very nice
Old Mar 5, 2013, 09:04 AM
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this is very similar to the setup im am building. plz post up all your mods.
Old Mar 5, 2013, 09:42 AM
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Originally Posted by shkettle
this is very similar to the setup im am building. plz post up all your mods.
Mods are listed in the title..71hta turbo, skunk2 intake manifold, gsc s2 cams, 3" exhaust, and o2 dump

Are you planning on upping the boost once your back on non-winter tires? I'm curious as to what it would make in the upper 20's

Last edited by evo8426; Mar 5, 2013 at 09:44 AM.
Old Mar 5, 2013, 09:47 AM
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Stock FMIC?

This turbo is awesome and relatively cheap.
Old Mar 5, 2013, 10:42 AM
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Mod list:

71 hta
S2 cams
Skunk 2 by STM ported mani
Stock exhaust manifold
Muse o2 dump
Jmfab Garrett core 3.8 ic
Buschur dp
Sport exhaust hks
STM uicp
Greddy type s
Fb70 mm tb
Old Mar 5, 2013, 10:46 AM
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Originally Posted by evo8426
Mods are listed in the title..71hta turbo, skunk2 intake manifold, gsc s2 cams, 3" exhaust, and o2 dump

Are you planning on upping the boost once your back on non-winter tires? I'm curious as to what it would make in the upper 20's
Same peak power with much more tq on a mbc. I'm not gonna force much more boost up top but. I've let her have 30 and it pretty much makes 410 +- tq tapering fast
Old Mar 5, 2013, 11:50 AM
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vouch for the WG thats pretty much what mine was doing with the same WG setup 19-20 tapering to 22-23lbs. on random it would go as high as 27lbs but it was weird, would do it only every few runs. tightened it another turn and would hold 24lbs pretty well to 26ish.
Old Mar 5, 2013, 01:14 PM
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I'm swapping on a 3 port ASAP so I can do per gear
Old Mar 5, 2013, 02:57 PM
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Originally Posted by 211ratsbud
I'm swapping on a 3 port ASAP so I can do per gear
yup already did now im getting 33-34psi tapering to 29-30.
i have it set for 70 wastegate duty and my logs show its doing 60, cant figure out what is causing the difference so when you get yours let me know how that goes.
Old Mar 5, 2013, 06:18 PM
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Originally Posted by evo8426
Mods are listed in the title..71hta turbo, skunk2 intake manifold, gsc s2 cams, 3" exhaust, and o2 dump

Are you planning on upping the boost once your back on non-winter tires? I'm curious as to what it would make in the upper 20's
there is a few mods left out. what ic pipes, what intercooler, throttle body. So if you dont know, keep ur trap shut.
Old Mar 5, 2013, 06:47 PM
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Originally Posted by chamelieon
yup already did now im getting 33-34psi tapering to 29-30.
i have it set for 70 wastegate duty and my logs show its doing 60, cant figure out what is causing the difference so when you get yours let me know how that goes.
MAF compesations for baro/temp.
Old Mar 5, 2013, 06:52 PM
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Originally Posted by shkettle
there is a few mods left out. what ic pipes, what intercooler, throttle body. So if you dont know, keep ur trap shut.

lol, i listed the major stuff that changes power..

waiting for the guys to say a 70mm tb is 16 hp and a short route UICP spools quicker!

The intercooler.. yeah did forget that!

Im planning to get a CBRE extreme port stocker when my state tax refund comes around.
Old Mar 5, 2013, 08:54 PM
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looking good! worlds longest tune though LOL! a tune that never ends! the luxury of being a self tuner
Old Mar 5, 2013, 11:19 PM
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For sure I'm stubborn !

Spent a lot of time messing with the stock ecu als and while I did make it work I wasted valuable tuning time .. I'm still on sd 2.0 88587614

Last edited by 211Ratsbud; Mar 6, 2013 at 04:37 AM.


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