Trevor's 3SGTE head with custom intake manifold and velocity stacks        All measurments are at 28" of water.  Tested on Aug 22 2007
Full port +1mm Exhaust	1	2	3	4	exhaust port average	percentage increase from port work
	78	83	76	75	78	18
	136	139	136	133	136	7
	171	175	176	170	173	12
	179	181	186	179	181.25	13
	184	186	192	185	186.75	15
					overall exhaust average increase	13
Stock exhaust cyl #1	66
	126
	154
	159
	162
Exhaust manifolds at .400 lift	1	2	3	4
Cast Manifold	N/A	164	140	119
Tubular	N/A	162	158	162
Intake	stock with custom intake	ported with custom intake	ported +1mm stock intake	ported +1mm custom intake	percent increase from port work using custom manifold	percent increase between stock and custom manifold on ported head
0.05	40	47	36	41	2	13
0.1	77	83	76	81	5	6
0.2	148	152	141	153	3	8
0.3	198	202	184	208	5	13
0.35	216	221	197	225	4	14
0.4	218	223	202	234	7	15
				overall intake average increase	4	11.5