i will have to agree with both Ibjamin01 and Black Bullet on this from the sounds of it your not looking to go with dsmlink or similar tuning devices (eclectronic boost controller wont control fuel) making your hp goals much harder to reach! anything over your stock size injectors will have to be compensated for! a 20g sounds good for your goal but without its supporting mods it means nothing! as far as compression stick with 8.5:1 or like they said above between 8-9:1! this is the 3 person saying this! all with much knowledge on the subject! hope this helps and good luck with your build!!!