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Yellow4g63 · 12-10-2015, 07:55 PM

I'm thinking the bigger exhaust housing prob would have helped. I have seen stock valved heads go to 9k.

67mm BW with a T4. This was on a fwd car but stock valves and N1 cams. But your right I'd give up a little topend to get some low end but 4k is a little high for most people lol.

12-10-2015, 07:55 PM	#329
Yellow4g63 Zilvia FREAK! Join Date: Jan 2003 Location: Socal Posts: 1,454 Trader Rating: (5)	I'm thinking the bigger exhaust housing prob would have helped. I have seen stock valved heads go to 9k. 67mm BW with a T4. This was on a fwd car but stock valves and N1 cams. But your right I'd give up a little topend to get some low end but 4k is a little high for most people lol. __________________ 95 240sx RB20 415whp 91 Nx2000 VVL yo