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power packs and 91 gas?

accel

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Just asking those who live in states like CA where 91 is highest octane available.

How are power packs doing with this gas? Do you often feel like gas quality is not up to engine?

Or, do you feel like 91 does not provide expected hp/tq gains?
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BmacIL

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They are calibrated for 91.
 

Oceanside_S550

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Just asking those who live in states like CA where 91 is highest octane available.

How are power packs doing with this gas? Do you often feel like gas quality is not up to engine?

Or, do you feel like 91 does not provide expected hp/tq gains?
Yeah dude your tune optimizes the burn of your octane, so 91 or 93 doesn't matter. Powerpacks are crap anyway, so in the end it doesn't matter lol.
 

thelostotter

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Can't speak for CA gas but I have/had the PP2 in AZ where 91 octane is also the highest available. The difference was pretty drastic compared to stock. It is how the car should have been from the factory. The only reason I am no longer using it is because I put headers on my car and needed to tune for them.
 

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BEASTMASTER15

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Same here in Utah...it's only 91 that's available. I've got the PP2 and it's a definite kick in the pants; especially in Sport Mode!!
 

AZ18yote

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Can't speak for CA gas but I have/had the PP2 in AZ where 91 octane is also the highest available. The difference was pretty drastic compared to stock. It is how the car should have been from the factory. The only reason I am no longer using it is because I put headers on my car and needed to tune for them.
Yup our wonderful 91. And even though they took real e85 away from AZ at least we still have flex fuel which is still hands down better than the 91...
 

Oceanside_S550

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Coming from someone who doesn't have first hand experience.
Well I am often in Texas, and California is where I live now so I can definitely say that the difference between 91 and 93 is marginal. Of course, we have to keep in mind the environmental differences between Houston and San Diego like elevation, humidity, etc... still, the differences in power seem negligible when switching between 93 in Texas, and 91 in Cali. I like to run my flex tune in Cali though, E85 is plentiful where I am located so it's nice to have that option. I say power packs are a waste because they are basic upgrades that people surpass when they get their first CAI w/ tune... which is a Power Pack 1 in the first place. Add a Cat-back exhaust instead of the axle-back that is offered and you have already surpassed the offered power packs performance gains. Perhaps I am misunderstanding the conversation?
 

re-rx7

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Well I am often in Texas, and California is where I live now so I can definitely say that the difference between 91 and 93 is marginal. Of course, we have to keep in mind the environmental differences between Houston and San Diego like elevation, humidity, etc... still, the differences in power seem negligible when switching between 93 in Texas, and 91 in Cali. I like to run my flex tune in Cali though, E85 is plentiful where I am located so it's nice to have that option. I say power packs are a waste because they are basic upgrades that people surpass when they get their first CAI w/ tune... which is a Power Pack 1 in the first place. Add a Cat-back exhaust instead of the axle-back that is offered and you have already surpassed the offered power packs performance gains. Perhaps I am misunderstanding the conversation?
The power packs are great, drive-ability is great and warranty stays intact. 93 makes a big difference n power pack power production. Ive ran many aftermarket tuned 5.0's in my car. Its either dead even or I pull. The mid range punch is perfect. The car drives like stock but the increase is just phenomenal.
 

Zelek

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Tuners can find the difference between 91 and 93 octane very easily. It's called timing.
 

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tom_sprecher

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I'm a lazy SOB and have not installed my stage 2 even after having it in the box for a year. BTW there is only 93 around here.
 
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rayban1

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I also have a PP2 , I have not installed yet. 91 around here. Reviews all seem good with PP2 and 91 or 93. Wondering if any one has gone from a PP2 to a 18 manifold and tune. Kind of why I have not installed yet,,,,,I have done some suspension upgrades and it hooks pretty well stock, thinking the PP2 will be all I need for street use.....
 

GritzNGravy

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I a lazy SOB and have not installed my stage 2 even after having it in the box for a year. BTW there is only 93 around here.
Your not the only lazy one. I had pp3 in my room for over a year also before I installed it. Now just about a year of driving the pp3 I just received a Whipple stg 2, and now its sitting there. I hope it doesn't take me a year to get around to installing it though...
 

k4show

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I've ran my PP2 with 93 and 91 and both ran fine. It felt a bit stronger on 93, but perhaps it's all in my head.
 

Allentown

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We have plenty of both E85 and 93 around here. na na na naaaa na. :)
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