sx240z Posted November 12, 2004 Share Posted November 12, 2004 Well today I wanted to adjust my valves because I felt like my 350 isn't running like it should. I adjust my valve while the engine is off. I pull the covers turn the engine and turn it again and none of rockers move. If they do it's barely noticeable. I have hydraulic lifters, and a stock cam. I'm guessing the last time I adjusted them I screwed up. Should I try to adjust them while it's running? Any ideas? Jason Quote Link to comment Share on other sites More sharing options...
Guest zfan Posted November 13, 2004 Share Posted November 13, 2004 With a stock cam you will get very little lift compared to the movement you would see with lets say a 520 lift cam. I hope you did not over tighten your roller rockers you can bend the push rods or worse. How did you adjust them? Mike Quote Link to comment Share on other sites More sharing options...
sx240z Posted November 13, 2004 Author Share Posted November 13, 2004 I used the EO-IC method last time. I think my mistake last time was, I didn't realize that when the rocker arm is down the valve is open. I think I did it reverse (valve is open when rocker arm is up), I'm not sure. What would be the symptoms of bent rods? Or a wiped cam? My car runs and idles fine but has a clicking noise due to the valves and seems to be slower than usual. Jason Quote Link to comment Share on other sites More sharing options...
Guest Magnum Rockwilder Posted November 13, 2004 Share Posted November 13, 2004 Just reset them and go from there. Stop wasting time on the internet. The internet won't fix your car. Your valves are probably not closing all the way because the rockers are too tight. Quote Link to comment Share on other sites More sharing options...
80LS1T Posted November 13, 2004 Share Posted November 13, 2004 Just reset them and go from there. Stop wasting time on the internet. The internet won't fix your car. If hes not sure whats wrong with his car then, yes the internet can help fix his car. Once you have your valve lash set you could check compression on each cylinder to see if all your valves are opening the same(same compression would indicate this). If you have low compression on multiple cylinders this could indicated a toasted cam or something wrong in your valve train. Guy Quote Link to comment Share on other sites More sharing options...
sx240z Posted November 13, 2004 Author Share Posted November 13, 2004 thanks Guy for the response, I'll check it out. Jason Quote Link to comment Share on other sites More sharing options...
Pop N Wood Posted November 13, 2004 Share Posted November 13, 2004 Am I missing something guys? He says he has hydraulic lifters and he adjusted them with the engine not running? Thought you had the have the engine running and listen for the clacks to adjust hydraulic lifters? At least that is the way I have always done them. Quote Link to comment Share on other sites More sharing options...
wheelman Posted November 13, 2004 Share Posted November 13, 2004 Pop, He probably just did the initial preload after installing the rockers. You know, tighten the rocker down until the pushrod won't move up/down then tighten another 1/4 or 1/2 turn. This preloads the lifters but should not be the final adjustment. They should really be adjusted with the engine running and fully warmed up, but lots of guys never do that, makes a big mess if you don't use the little plugs for the oil holes in the rockers or a cut up valve cover. Wheelman Quote Link to comment Share on other sites More sharing options...
Poundz9oh9 Posted November 13, 2004 Share Posted November 13, 2004 Damn Jason, it seems like you just got that thing up and running and now your tearing it all up...... here I am on my second motor before I even have gotten to start it.... Quote Link to comment Share on other sites More sharing options...
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