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Kgkeen101 · 08-21-2009, 08:36 PM

Here's what the flowbench numbers of my head work is.

Stock - 188.8 @ .200"
281.2 @ .500"

Ported - 228.9 @ .200"
318.7 @ .500"

About a 37.5 CFM gain, which should be around 50hp on the top end and you can see there 40.1 CFM gain on the low. So if each CFM = around 1.4 HP you can see that the headwork alone will post around a 50hp increase

08-21-2009, 08:36 PM	#59
Kgkeen101 Senior Member Nissan SE-R Spec V Join Date: Jun 2007 Location: South Florida iTrader: (0) Posts: 119	Here's what the flowbench numbers of my head work is. Stock - 188.8 @ .200" 281.2 @ .500" Ported - 228.9 @ .200" 318.7 @ .500" About a 37.5 CFM gain, which should be around 50hp on the top end and you can see there 40.1 CFM gain on the low. So if each CFM = around 1.4 HP you can see that the headwork alone will post around a 50hp increase __________________ 2002 Nissan Sentra Spec V with 2003 VQ35DE FWD Maxima Motor. Sleeper. Mods - CAI/H/E 2.5 catless, JWT Clutch, VIAS removed, ported IM. 4.133:1 gears. Current Numbers - 250WHP/268TQ untuned Coming soon, Full motor build, High compression 96MM Pistons, Rods, everything... fully ported heads Standalone tuned. Goal - Fastest NA B15 Sentra.