NG engine knock

[Huw Powell]

Define "new NG engine" first?

On 6/9/2012 8:34 PM, Bill Green wrote:
> Just put a new NG engine into my 4kq. Using the starter to turn it over
> resulted in a knock noise very much like a big end rod bearing was shot on
> one or more of the cylinders. I took all the plugs out then reinstalled a
> single plug in the cylinders one at a time turning the engine over each
> time. I thought that would show me which cylinder was making the noise. But
> they each sounded completely normal when I did this! Then I discovered that
> putting any two plugs in resulted in the knock noise returning! This is 10-1
> compression engine could that noise be normal? I'm afraid to try and start
> this engine until I get past this problem. By the way rotating the crank
> through a complete cycle with the plugs out is very smooth with nothing
> striking anything. Any thoughts??? I don't want to re-pull this engine if I
> don't have to! J
>
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