A ANR New Member May 14, 2006 10 0 0 Nov 5, 2006 #1 Nov 5, 2006 #1 Does anyone know the minimum cross sectional areas, port volumes and stock valve sizes of the GT40 and GT40P iron heads? Thanks in advance Alex
Does anyone know the minimum cross sectional areas, port volumes and stock valve sizes of the GT40 and GT40P iron heads? Thanks in advance Alex
