TwinTurbo.NET: Nissan 300ZX forum - Correction..
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Subject Correction..
     
Posted by Cjw3 on March 05, 2014 at 9:44 PM
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In Reply To A Rod knock will get progressively worse the higher the RPM posted by SirpriZ on March 05, 2014 at 02:39 PM
     
Message This is from a previous Post..
A Rod knock will go away ( depending on how bad ) if you add load (Give it throttle). Lightly loaded and fast spinning, they will KNOCK!.. A Slightly worn Rod Bearing will not knock at Idle. If the Rod Knock is severe, and the bearing is ‘Toast’, then it will just Knock, and not be load sensitive. Rod Knock is a 'Hefty' sound from lower in the engine, and if you pull the plug wire ( or how ever ) to get that cyl not to run, the sound will go away. That trick is mostly true for any of the lower cylinder related problems (not valves) .. So If you get to the injector plugs, you will be able to drop the fuel to each cyl, one at a time, and see if it's a "power train knock".. this would be pistons rods etc. This way you can tell what cylinder is the culprit.

     
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