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Home > How To > BOOST PRESSURE / COMPRESSION RATIO / OCTANE! GRAPH

BENROSS

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9812 Posts
Member #: 332
Resident Cylinder Head Modifier

Mitsi Evo 7, 911, Cossie. & all the chavs ...... won no problem

Hope you find this usefull*smiley*






TurboDave16V
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10979 Posts
Member #: 17
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SouthPark, Colorado

That's reallly meant for R+M/2 octane... add 4 to each octane value and you'll be something like close for RON octane values...

On 17th Nov, 2014 Tom Fenton said:
Sorry to say My Herpes are no better


Ready to feel Ancient ??? This is 26 years old as of 2022 https://youtu.be/YQQokcoOzeY



BENROSS

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9812 Posts
Member #: 332
Resident Cylinder Head Modifier

Mitsi Evo 7, 911, Cossie. & all the chavs ...... won no problem

thanks dave






Latka

28 Posts
Member #: 773
Member

Kaneohe, Hawai'i, USA.

Is it really as simple as it looks to figure out what you have to do? I mean, to blow 15psi on 92 octane you'd need a starting compression ratio of (gulp) just over 7:1. Man that thing would be a dog when it was off boost, right?

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