[Pete]

Originally Posted by XfireZ51

Tom,

I know which parts you're looking at. When I did my P&P, I started out with parts that had been ported by GVD. I re-did them not because they were poorly ported but because LT-5 mods have evolved since the time mine had been done. The ports were only 34-35mm. I opened them up to about 36-37mm. And as GC stated, I also port matched the heads. You'll get an increase in hp with the setup your contemplating but to maximize it, you'll still need to do some work IMO. And then of course there's the tuning. I don't believe anything on the LT-5 is "plug n play".