View Full Version : 343 pistons

04-29-2006, 05:16 PM
I am building a 360 I will be using 343 pistons to raise the compression, Anyone know around how high the compression will go??? The Heads are out of a 1981 jeep 360....I'm looking for around 10.5.... I will be using race fuel at the drag races... So engine detonation shouldn't be a problem...