Ok I have built a
306 with forged pistons 9-1 CR
TFS Twisted wedge heads
TFS track heat upper and lower intake
Vortech V-1 SC trim Head unit
X-303 cam
1.6 RR
I want to build 14-15 lbs of boost i have a 2.87 upper now and was seeing 10 lbs before so what should i get for a lower??? I am guessing i should upgrade to 8 rib now???