The heads are Ported and polished with largter stainless steel valves and upgraded springs. They flow really well on the intake and exhaust side. I was told that the exhaust side flows more than the stock heads on the intake side.
__________________
99 Silver GT Auto
DTA Built Engine w/P&P heads, TDC Turbo (T-76), Built 4R70W, PI Multi-Disc 3200 T/C, Eaton 31 Spline Carrier, Strange 31 Spline Axles, Aeromotive 1000 HP fuel system, 66lb injectors, MSD DIS4, Accel DFI Gen VII & Mac 3" cat-back.
Built by Jade Performance
Best on Nitto D/Rs
11.698 @ 120.898 @ 12 psi (built block)
Best on Slicks
10.922 @ 122.95 (stock longblock)
|