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Original Message
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| Lash? You mean lifter preload. |
| By Gerry Proctor - 03/27/2006 7:18:21 AM; IP 137.242.1.15 |
Hydraulic cams are adjusted with zero lash, then a specified additional adjustment past zero lash to achieve a specificed lifter preload of anywhere from .020 to .080, depending on the lifters being used. For your appliction, I'm assuming that it's stock and if that's the case, you'd usually crank the rocker nut down 3/4 to one turn past zero lash. This should put you in the .060 to .080 preload zone.
There are various rocker setups used on smallblocks, and while some are adjustable for preload, some are not. Depending on what setup you have, you will want to consult your service manual or the main forum so that you know what you have. |
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