Thread: sr20ve and best gas grade

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2011-10-18 08:42:07

#31

Loki

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Join Date: 2010-06-25
Location: Stuttgart / Germany
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Here in Germany, we have 102 Oktan but it cost 1,60 Euro per Liter. It is 8.31 Dollar per Gallon. XD
(95 Oktan cost 7.63 Dollar per Gallon)

I think, you all can be lucky, to have cheap fuel!

(Last Drift Event, i needed 50 Gallons, only on track)

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2011-10-20 13:50:42

#32

b12sr20ve

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Join Date: 2011-07-05
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Originally Posted by cory

I'm running 14+ CR and I'm running e85 because its at the pump and under $3 a gallon. This is around 112octane. I think 110 would also do the job well.you could probably mix regular and 110 to get something to work even better for you. But you'd have to try and test it on the dyno. The more regular you add you'll see your afrs drop.

I'd start with 100 and start adding 87 or whatever you have and keep track. Find out what works best. Or maybe even easier the other way. Start with 95 and slowly work your way up until you can add enough timing for power to level off without knock. But if your using more octane then you need to do this you'll likely be leaving some power on the table.might not be much. But still with a set up like that I'm sure your trying to get every last bit out of the car.

wow 110!

this is very interesting i was under the impression that higher octane + high cr is equal to bigger gains...i guess you really have to experiment. thanks for the enlightenment

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