Which valve spings?
Which valve spings? I'm in the process of picking out some valve springs for my build (twin turbo 402). I'm stuck trying to figure out who makes the best dual springs with good seated spring pressure. What springs are you high hp guys running? I'm currently looking into PAC duals (1521), Comp 921's, and Manley Nexteks. My heads are basically stock other than bigger valves (2.02 & 1.6). I'm not running a very aggressive cam (under a 600 lift).
Last edited by JD_Z28; Jul 19, 2010 at 05:56 PM.
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A post by Ed is how I found these. Can't find info on the net yet. Finally noticed an ad for them in a magazine.
From Ed:
Lunati Dual Valve Springs
1.306” Outside Diameter
.676” Inside Diameter
153# at 1.810”
400# at 1.150”
.660” Lift Capable
Chromemoly Steel Retainers
Hardened Valve Locks
Hardened & Machined Locators
Steel Shell Viton Valve Seals
springs only
73925K1LUN
From Ed:
Lunati Dual Valve Springs
1.306” Outside Diameter
.676” Inside Diameter
153# at 1.810”
400# at 1.150”
.660” Lift Capable
Chromemoly Steel Retainers
Hardened Valve Locks
Hardened & Machined Locators
Steel Shell Viton Valve Seals
springs only
73925K1LUN
