Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB - View Single Post - Compression ratio 12.5:1. Bye-bye Super charger & Turbo build?

70NYD · 11-02-2011, 07:49 PM

diesels are what 17:1? MOST of them are boosted LOL
with petrol, and 12.5:1 you will get low boost but LOTS of power. energy is extracted MORE at a higher comp ratio, so a 10:1 running 10PSI will get more power than a 8:1 running 10PSI

11-02-2011, 07:49 PM	#27
70NYD Senior Member Join Date: Jun 2010 Drives: RX8 S1 Location: Brisbane Australia Posts: 1,396 Thanks: 49 Thanked 50 Times in 38 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	diesels are what 17:1? MOST of them are boosted LOL with petrol, and 12.5:1 you will get low boost but LOTS of power. energy is extracted MORE at a higher comp ratio, so a 10:1 running 10PSI will get more power than a 8:1 running 10PSI __________________