Thread: Rocker Arm Shim
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Old 11-16-2012, 01:18 PM   #32
supershaft
because I can
 
Joined: Sep 2010
Location: San Francisco Bay area
Oddometer: 8,209
How long do they last? It's all over the map. Keeping the endplay at a minimum helps but it is not a cure all. I don't worry about them but I check them every time I have the rocker arms off for some reason. I replace them all when I am doing a valve job. I replaced them all when I put my sport cam in 70k miles ago and again now that I just got a valve job. I had one break this last time I checked at 70k miles. It got into the shaft a bit too.
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