B bcd New Member Jun 23, 2005 274 0 0 arab al Aug 8, 2005 #1 Aug 8, 2005 #1 I plan on upgrading the cam and springs. what would work best with these heads and a port matched gt40 upper and lower. Also does anyone know the specs for the stock HO cam
I plan on upgrading the cam and springs. what would work best with these heads and a port matched gt40 upper and lower. Also does anyone know the specs for the stock HO cam