Comp Springs for ported heads and stroker
Comp Springs for ported heads and stroker Are these good springs to use for an Lt1 stroker with the CC 306 and ported heads?
Comp 914
Outside Diameter of Outer Spring (in): 1.489 in.
Coil Bind Height (in): 1.100 in.
Damper Spring Included: No
Spring Rate (lbs/in): 367 lbs./in.
Inside Diameter of Outer Spring (in): 1.125 in.
Inside Diameter of Inner Spring (in): 0.819 in.
Comp 914
Outside Diameter of Outer Spring (in): 1.489 in.
Coil Bind Height (in): 1.100 in.
Damper Spring Included: No
Spring Rate (lbs/in): 367 lbs./in.
Inside Diameter of Outer Spring (in): 1.125 in.
Inside Diameter of Inner Spring (in): 0.819 in.
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has to do with the retainer and locks, the valve stem tip will not be high enough on a stock valve to be able to be aligned with the rocker. There are tabs that extend on each side past the roller tip and thats how a Self Aligning (SA) works, with NSA, you use guideplated and hardened pushrods.
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I have never owned Pro Mags SA but I have owned GMPP 1.6's SA and Pro Mag NSA, the GMPP had nothing to align them selves on there is no stem tip other then 1/8" above the retainers. The Tabs on the side would hit before the roller tip would hit the top of the valvestem,
Hey Matt94z28, post a pic of your rocker and spring, id like to see how Comp Cam has them done up.
Over all though NSA is more stable valvetrain wise when you get extreme lobe ramps, and high cam lift, it keeps it stable from 6k+ rpms
Hey Matt94z28, post a pic of your rocker and spring, id like to see how Comp Cam has them done up.
Over all though NSA is more stable valvetrain wise when you get extreme lobe ramps, and high cam lift, it keeps it stable from 6k+ rpms
