Which valve spring for Skunk2 cams revving to 9k?
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Which valve spring for Skunk2 cams revving to 9k?
I tried posting this in the ITR forum and got a different answer from every poster 
As you all know, the Skunks have long duration with a bit more lift than CTR/ITR cams. Thus, I want a valve spring that's stiff enough to handle 9000 rpms, but not so stiff as to lose any power. Any suggestions?
As you all know, the Skunks have long duration with a bit more lift than CTR/ITR cams. Thus, I want a valve spring that's stiff enough to handle 9000 rpms, but not so stiff as to lose any power. Any suggestions?
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Re: Which valve spring for Skunk2 cams revving to 9k? (ninjaman)
Crower makes an amazing dual valve spring. Initially it is *VERY* stiff but as it breaks in it will become more pliable http://www.crower.com
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Re: Which valve spring for Skunk2 cams revving to 9k? (Halo)
The only concern I have is that too stiff a spring may be counterproductive to power made by these cams, since they don't have big lift to compensate. I've been considering the Web Cam (non turbo), Portflow inners w/ ITR outers, and Skunk2's (can rev to 10.5k)
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