Octane is measured differently in europe
100 octane there is ~94 in north america |
Oh ok so barely better than 93. That's really good. The kinsler itbs must have helped a lot as well as inline pros stage 3 cam. How's drivability with the itbs?
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100 octane here is actually more like 96 in the US, or just shy.
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Europe USA
95 = 87 97 = 89 99 = 91 101 = 93 |
the itbs are jenvey..i think that kinsler will be better for top power.the cams yes are very hepfull but i had dyno the bc stage 2 and there was not too much diffrent.. i have no problem with itbs .now i have make and a custom plenum.they work perfect.
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Originally Posted by rednikos
(Post 23234570)
Europe USA
95 = 87 97 = 89 99 = 91 101 = 93 So it goes 95 = 91 97 = 93 99 = 95 101 = 97 Give or take a little. |
101+93=194. 194/2=97
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i m comfused.i dont know how to calculate it. i just google it..
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Originally Posted by rednikos
(Post 23234747)
i m comfused.i dont know how to calculate it. i just google it..
The rating used in Europe is RON and that would be the following values you provided 95 97 99 101 The rating that shows how fuel behaves when under load is the MON and are the following corresponding values 87 89 91 93 The rating for USA gas is AKI also known as PON and is determined by taking RON+MON and then dividing them by 2 and are shown below. 95 + 87 = 182 182 / 2 = 91 97 + 89 = 186 186 / 2 = 93 99 + 91 = 190 190 / 2 = 95 101 + 93 = 194 194 / 2 = 97 So in conclusion your 100 oct in euro would be closer to a 96 octane equivalent in the USA and if you did your dyno using a 97 it would be like our 93. Either way doesn't really matter because unless all cars all done on the exact same dyno/weather conditions (temperture and humidity and elevation)/tuner there's now 100% way to compare. Did you notice a powerloss making a manifold for your ITB's? |
thanks for all that help..
the car has the same power when it's cold and when it's warm... the air/fuel it's the same exept low speed that I think that I lost a very small ammount of power.. the a/f was 13,2:1 and made 12,9:1 -13,1:1. 3000-5000 rpm |
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