Old combo vs new combo
Old combo vs new combo 
Difference between combo's:
Trex
Stage 2 heads
Ported TB
3200 converter
Old combo
Forged Bottom end
Stock LS6 heads
223/228 XER
Stock TB
Stock pulley
Edelbrock 1 3/4 stepped 1 7/8 HVMC
Speed density
4L80E
Stock verter
8.5" 10bolt with 3.73's
Converter was locked on both runs. This is the same heads cam package that was on a buddies car. With a fast 90/90, electric water pump, crank pulley through a TH400 he made 430 I believe. I had my exhaust corked as well so I probably would have picked up 7-10rwhp.
