Saab Viggen - 2.3L head

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Intake

Lift	Stock	Extrude honed, +1mm
50	39	41	+2
100	81	80	-1
150	123	119	-4
200	156	157	+1
250	179	190	+11
300	195	211	+11
350	199	226	+27
400	204	226	+22
450	107

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Exhaust

Lift	Stock	Extrude honed, +1mm
50	35	35	0
100	76	79	+3
150	111	127	+16
200	145	155	+10
250	166	165	-1
300	172	170	-2
350	174	171	-3
400	174	171	-3
450	177