Tuned a customers 04 5.3L Truck today..

Stock 5.3 longblock except for LPE GT-2 small camshaft
Stock Exhaust manfiolds, stock y-pipe /w cats, Corsa catback
Magnacharged /w 3.2 pulley.
4L60E tranny /w converter locked.
91 octane
20" wheels /w 32" tires....
20 degrees timing, 11.5 A/F.
Started with factory radix tune that came with blower @ estimated 420 rwhp

Final Results:
469 rwhp @ 6500 rpm. Woulda made a few more but dont want to spin it any higher.

450 rwtq as well. (cant remember what RPM). No I dont have the dyno sheet to post..the customer does...

 

so did you baseline or are you "estimating" the 420 RWHP baseline.

 

Strong numbers, congrats!

Now get to the track and see how she runs!

 

That was the first pull it made...didnt waste any more time with the tune that came with the blower from there.

 

Good work bro. keep turning them lsx's

 

Ahh you didn't mention my 283/330 on that day?