GT-R Register - Official Nissan Skyline and GTR Owners Club forum - View Single Post

VSPEC-33 · 11th July 2008, 01:32 AM

With the extra capacity and larger cams, which will be most efficient at high rpms, the -7's will run out of puff. -5's would keep it nice and responsive because of the extra cubes, but keep pulling all the way to the redline.

11th July 2008, 01:32 AM	#4 (permalink)
VSPEC-33 GTR Register Member Join Date: Jul 2006 Location: Australia Posts: 30	With the extra capacity and larger cams, which will be most efficient at high rpms, the -7's will run out of puff. -5's would keep it nice and responsive because of the extra cubes, but keep pulling all the way to the redline.