Gt-40 heads
08-17-2007, 01:14 PM
#4
6th Gear Member
Join Date: Dec 2006
Location: Citrus County, FL
Posts: 8,007
RE: Gt-40 heads
larger intake runners, larger intake and exhaust valves, and a smoother flowing port design in the bowl area = better flowing heads producing more power. a new cam is not needed, and all other stock hardware will bolt up.
i WILL say, that while you got everything tore down that far, you might as well slap a stiffer set of springs on there and take a small jump forward in the cam dept.
i WILL say, that while you got everything tore down that far, you might as well slap a stiffer set of springs on there and take a small jump forward in the cam dept.
08-17-2007, 01:43 PM
#5
4th Gear Member
Join Date: Jun 2006
Location:
Posts: 1,892
RE: Gt-40 heads
ORIGINAL: my77stang
larger intake runners, larger intake and exhaust valves, and a smoother flowing port design in the bowl area = better flowing heads producing more power. a new cam is not needed, and all other stock hardware will bolt up.
i WILL say, that while you got everything tore down that far, you might as well slap a stiffer set of springs on there and take a small jump forward in the cam dept.
larger intake runners, larger intake and exhaust valves, and a smoother flowing port design in the bowl area = better flowing heads producing more power. a new cam is not needed, and all other stock hardware will bolt up.
i WILL say, that while you got everything tore down that far, you might as well slap a stiffer set of springs on there and take a small jump forward in the cam dept.
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