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Official "Pure" 91 octane evo thread

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Old Aug 2, 2012 | 09:00 AM
  #76  
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From: San Diego
Originally Posted by Levar
This is not too shabby at all, my friend.

I will be contributing with my FP Red in a few days.
Thx man im happy with my evo nowadays..

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Old Aug 8, 2012 | 04:22 AM
  #77  
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From: Los Angeles
387whp on 91 octane at about 23psi. The 426whp is on 100 octane at 26psi
stock engine with all the basic bolt ons. with hks 272 cams. Turbo setup is a fullrace t4 twin scroll manifold with a HTA gt3582r with 1.06ar t4 hotside.

car is daily driven and now has 115,000 miles with 70,000 miles on this current setup

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Last edited by riceball777; Aug 8, 2012 at 04:27 AM.
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Old Oct 12, 2012 | 12:34 PM
  #78  
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From: Santa Barbara, CA
Assuming other supporting mods are done (intake, boost control, LICP, ported ex mani / turbine / o2, downpipe, HF cat, tune), what's reasonable power one can push through the stock cat-back on California 91?

I've lived the loud exhaust life before, and just don't want to deal with the drone, etc again. I totally understand about backpressure and it's impacts on turbine energy, EGT's, detonation threashold, timing, BSFC, blah blah. I'm just not seeing in the threads how much of a limiter the tailpipe is vs. DP and Cat.

Thanks!
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Old Oct 12, 2012 | 01:37 PM
  #79  
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From: Clovis, California
Originally Posted by Nimpoc
Assuming other supporting mods are done (intake, boost control, LICP, ported ex mani / turbine / o2, downpipe, HF cat, tune), what's reasonable power one can push through the stock cat-back on California 91?

I've lived the loud exhaust life before, and just don't want to deal with the drone, etc again. I totally understand about backpressure and it's impacts on turbine energy, EGT's, detonation threashold, timing, BSFC, blah blah. I'm just not seeing in the threads how much of a limiter the tailpipe is vs. DP and Cat.

Thanks!
You can add something like the sound performance boost activated cutout, fftec has one on their shop car, pretty much solves what you are looking to do.
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Old Oct 12, 2012 | 11:47 PM
  #80  
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From: KSA
580whp on 91oct 20psi
26-27psi 91oct + 50/50 meth 685whp-606Tq
30-31 91oct + 50/50meth 705whp - 662Tq
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Old Oct 13, 2012 | 08:08 AM
  #81  
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From: Clovis, California
Originally Posted by EVO(boss)
580whp on 91oct 20psi
26-27psi 91oct + 50/50 meth 685whp-606Tq
30-31 91oct + 50/50meth 705whp - 662Tq
Must suck to drive when its not in boost
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Old Oct 13, 2012 | 09:46 AM
  #82  
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From: EGYPT
Originally Posted by EVO(boss)
580whp on 91oct 20psi
26-27psi 91oct + 50/50 meth 685whp-606Tq
30-31 91oct + 50/50meth 705whp - 662Tq

sorry not offending but 20 psi pte6262 and 580whp,that's pretty high number,i don't see it happening anywhere usually around 450 or high 400's,what dyno is it ?
KSA Gas quality is pretty good i guess .
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Old Oct 13, 2012 | 11:20 AM
  #83  
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From: El Paso, Texas
This thread is extremely useful considering alli have is 91 :/ makes me think what my numbers should be after a turbo swap and mini build
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Old Oct 13, 2012 | 01:08 PM
  #84  
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From: Chico, CA (Nor-Cal)
Originally Posted by HsamehH
sorry not offending but 20 psi pte6262 and 580whp,that's pretty high number,i don't see it happening anywhere usually around 450 or high 400's,what dyno is it ?
KSA Gas quality is pretty good i guess .
He stated in his other thread, that is was a Dynojet. But never posted any charts.
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Old Oct 13, 2012 | 01:59 PM
  #85  
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From: EGYPT
it's nearly impossible.
my friend put lower than that power @20 psi with 6765...there's a difference between 62mm and 67 mm turbo.
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Old Oct 14, 2012 | 10:52 AM
  #86  
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From: Chico, CA (Nor-Cal)
Originally Posted by khmerpimpin
This is a thread for 91 octane only, please remove your 91+Meth results.
+1

Also, funny that he didnt post the 91oct only dyno, since its the topic of discussion.
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Old Oct 16, 2012 | 02:11 AM
  #87  
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From: KSA
Originally Posted by HsamehH
that's impressive your shorter signature made me think it's 6262,can you share a graph along with rpm for the 20 psi without meth ? take care man driving it.
No that was my another evo 2.3L and 6262 ..

As what I said I will build new thread for my dyno very soon . The car didn't finsh yet . Yes I will post the vid because I just have a vid of the run . The Nemesis will hit the dyno soon and I hope I can get 600whp+ on 24psi on 91oct .
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Old Oct 16, 2012 | 07:11 AM
  #88  
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good luck man that will be a killer for some big block cars in ksa,who tunes your car ?
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Old Oct 17, 2012 | 03:22 AM
  #89  
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From: KSA
Originally Posted by HsamehH
good luck man that will be a killer for some big block cars in ksa,who tunes your car ?
Lol the v8 makes over 800whp+ on pump gas lol .. my friend did the tune
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Old Nov 27, 2012 | 04:11 PM
  #90  
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From: Oceanside
402hp/409tq on cali 91 oct

injen intake and full intercooler piping buddy club cams intake 272, exhaust 280 fic 1000cc injectors walbro 255 megan 02 housing megan downpipe w/ qtp exhaust cutout 1st gen. FP green Blitz Dual SBC Spec R Dual SBC Spec-R Twin Solenoid 3" intercooler

My car info and graphs
Originally Posted by tscompusa
This car is from california and not sure what gas station he uses, but i imagine they mix with ethanol over there. this car made good power for its mods and fuel.

mods:

injen intake and full intercooler piping
buddy club cams intake 272, exhaust 280
fic 1000cc injectors
walbro 255
megan 02 housing
megan downpipe w/ qtp exhaust cutout
1st gen. FP green
Blitz Dual SBC Spec R Dual SBC Spec-R Twin Solenoid
3" intercooler... brand unknown

pretty sure we are not doing e85 yet on this car because i advised him its safer on a 3 port so i can really control the boost/ power curve. he didnt know enough about his Blitz unit, so i was scared to continue it for e85.

so here are the 91 results and ill update it with the e85 once we get them.

Looks like the cutout is doing alot of work here.

https://www.evolutionm.net/forums/ev...een-91oct.html

Last edited by golgo13; Nov 27, 2012 at 05:10 PM.
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