Paraman, as a point of reference, I built an early 5.3, 2001 if memory serves me well, that used mildly ported LS6/243 heads, LS6 intake, headers, and a small cam similar to what hifi utilized in his build. The car put 350hp and 350tq to the rear wheels through a 5 speed. The torque curve was ridiculously flat and broad. The engine sounded great at idle and drove even better. Point being, these are great engines that perform really well with simple modifications. You're on the right track. Don't over complicate this and you'll have a great engine on your hands. Good luck!
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Trey
Current rides: 2000 BMW 540i/6 and 86 C10.
Former ride: 1979 Trans Am WS6: LT1/T56, Kore 3 C5/6 brakes, BMW 18in rims
Then you are good, that engine doesn't have VVT or AFM. Like others have said I would get those 243 heads decked and then make sure whatever cam you go with will not cause any piston to valve clearance issues (which you shouldn't because of the slightly dished pistons).
Out of curiosity, how much material are we talking about having removed, assuming these are virgin heads that haven't been decked previously?
Brian Hobaugh SCCA National Tour June 2014
First Hemi 'Cuda Convertible Ever Built
Short clips: Goodguys Pleasanton autocross and pit videos
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