U have a 2004 lm7 with a set of more or less prc 2.5 heads milled. 018 with a match intake manifold, tr 220 cam on 114 lsa. Im going to be runnin a cxracing 76mm turbo with a 1.15 AR. Im hoping to push 10-12 psi on 91a octane "- all we got here" im wondering if adding meth would be worth it?