Author Topic: Valve lash  (Read 867 times)

Stangman

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Valve lash
« Reply #1 on: April 19, 2017, 12:22:09 AM »
I had always thought that when you adjust a solid cam if it said 25 hot and you did it cold with iron head and block you would adjust them to about 28 or 29 cold. Now I have been doing that for 30 years. Since joining this forum I read and am doing the opposite. I have aluminum heads and my lash is 18 and 20 hot so I am setting them any 12 and 14 cold because that's what you guys have been telling me. I was just reading comp cams voodoo cams and there was a section about adjusting solid cams and it says for initial start up use hot setting as cold for break in and due to thermal expansion the lash will tighten up and need to be readjusted. What gives who's right