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stovie · 09-30-2013, 08:16 PM

I believe so sense ethanol has a octane of 116! So I was looking into it if I get a 13.5-1 cr piston then mill 2mm(I believe that was the measurement??!?) I should then have 14.25-1 cr. Then if I get a 4.06" crankshaft, I should then be just over 15-1 cr. I believe there was a head for my jeep that went from(I believe) 25cc's to 18cc's, what would my cr be then?? And would the inline six be able to handle it???

09-30-2013, 08:16 PM	#6 (permalink)
stovie EcoModding Apprentice Join Date: Oct 2010 Location: Ivins UT Posts: 213 the green machine :P - '97 Jeep Grand Cherokee ZJ 90 day: 20.92 mpg (US) Thee s10 - '00 Chevy S10 90 day: 24.27 mpg (US) Freedom - '05 Kawasaki Ninja 250EX 90 day: 75.55 mpg (US) Thanks: 2 Thanked 24 Times in 22 Posts	I believe so sense ethanol has a octane of 116! So I was looking into it if I get a 13.5-1 cr piston then mill 2mm(I believe that was the measurement??!?) I should then have 14.25-1 cr. Then if I get a 4.06" crankshaft, I should then be just over 15-1 cr. I believe there was a head for my jeep that went from(I believe) 25cc's to 18cc's, what would my cr be then?? And would the inline six be able to handle it???