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Eman · 01-17-2015, 10:36 PM

Much depends on the cam and your intentions. I've had good luck on hydraulics with the basic Z-28 style spring. Most will be fine up to 6k RPM. If possible remove and ck your springs. Installed height is very important. You can boost the pressure a little by shortening installed height just make sure you have enough clearance for coil bind. Be careful about too much pressure or you'll wipe out a lobe.

01-17-2015, 10:36 PM	#6
Eman Member Join Date: May 2014 Location: E TN Posts: 473 Likes: 16 Liked 133 Times in 76 Posts	Re: Valve Springs Much depends on the cam and your intentions. I've had good luck on hydraulics with the basic Z-28 style spring. Most will be fine up to 6k RPM. If possible remove and ck your springs. Installed height is very important. You can boost the pressure a little by shortening installed height just make sure you have enough clearance for coil bind. Be careful about too much pressure or you'll wipe out a lobe.