Joe As you know, I have the 2.9, and the new T body. I just redid the exhaust by removing the Y and am running a Magnaflow 4 in 4 out (sounds awsome and there is about 0 muffler backpressure. So now I am thinking about the 2.8 pulley. I know, I know I'm
. Would that be a noticible change IYO and seeing as we can only get 91 octane, do you think that a trip down to Carlsbad fo an updated tune is wise, or do you think a dyno tune is a good idea at this point. What your last tune did for my truck last month iws awsome by the way.
