yup, except I made my 390 at 8.5 psi in 100 degree weather and he made 390 at 9.5psi in 70-80 deg weather. Makes you wonder how much the extra flow from the headers translates to hp wise eh? Now that its cold and my car goes over 9psi, id like to go redyno at hp logic. I guess with this size blower you can really make use of a more free flowing exhaust. Maybe test pipes in my future. Wonder how LTH's would behave.
Don't forget I also have lighter pulleys, lighter flywheel. Those free up some power too.
Last edited by RCZ; 11-12-2010 at 10:11 PM.
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