This made me smile. They're hard enough to get to at the best of times, hate to think how it would be to adjust them with the engine still running :-)
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Not so strange to do them running if they are hydraulic. When I had V8 Chevrolet engines in drag cars, I used sold lifters with roller rockers, and we used to set the tappet clearances with the engine running. I had a couple of stock rocker covers with the tops cut off and the edges ground smooth. Still splashed a bit of oil but it worked well. Most of the experienced Holden mechanics I knew set the 6 cylinder hydraulics while they were running, backing each one off until noisy, then down until the noise stopped, then 1/4 turn at a time until I think it was half a turn after noise stopped.
Adjusted mine and my old mans tappets 2day......... what a sh!tty little job that is, spend more time taking crap off the cover than you do actually adjusting the tappets! Got 2 love over paid engineers.
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whats this...... I can now hear my stereo over the motor *L*
thanks for the information it is so useful
thanks for this tread ive never done mine but maybe will have to check mine now i know how to do it thanks