Revving unloaded
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Revving unloaded
Opinions....its probably not a great idea to rev these motors up past 3K unloaded....is it? I mean, I'm sure this is done all the time when puffing out smoke etc. But does it do any harm?
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I don't need to...I just see CTD owners doing this often. Its all over this website....people revving their engines for the sake of blowing black clouds.
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I doubt it will hurt it. But it way expose some weak links in you engine..??? I know I have had mine into redline racing someone... she still ran fine, just left a nice little birth mark out of her blow-by tube when i parked it after... but whos doesnt.
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It will not hurt it at all. Cummins calls this 'high idle'. The stock engine can tolerate about 4200 rpm's without damage. You won't get much more that 3500 if you set a brick on the padal.
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