Is there any consequence filling 1/2 tank with regular in a 2.5GT?
View Single Post
04-08-2006, 05:21 PM
450 whp 30R STI
Either drive around without going into boost until your really low and then fill up with 91/93 or you can put in some race gas (motorsport 109) and that will raise the oct. depending on how much you put in.
of the site do not see these ads.
View Public Profile
Find More Posts by STimo