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460 Valve adjustment
I am trying to make my current heads last 1 more summer, so I am re-tourquing the head bolts, and ajusting the valves. The manual for a '72 429/460 says to remove slack from the rocker, then torque to 18 - 20 lbs. This doesn't feel right to me, it feels like I am going too far. I have a moderate cam and matching valvetrain, all with 1500 miles on it all.
How do you adjust your valves (ho far do you torque them) Thanks in advance for the help, |
Brandon,
I assume you have 7/16" studs and guideplates for an adjustable valvetrain. Find top dead center on #1 cylinder,pull dist cap off and see rotor pointing at #1 plug.Both valves closed. Back off adjusting nut until you can wiggle rocker.Tighten nut until it just contacts pushrod,try rotating pushrod between fingers)then give wrench 180 degrees more of a turn. Hydrualic lifters are pre-loaded with 1/2 turn more than zero lash. Rotate engine 90 degrees and do the next cylinder, follow the firing order. Perry.:cool: |
Thanks Perry.
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