fred g
I HAVE A 16KV GENERATOR.  MY GAS METER IS A 400A THE LENGTH OF THE ONE INCH GAS PIPE IS 40 FEET. IT'S A HOME RUN TO THE GENERATOR WILL THAT SUPPLY ENOUGH GAS TO THE GENERATOR.

THANK YOU
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Geoff Z
If it is black pipe it should flow 323,000btu. If it is the new 16kw with 816cc it requires 245,000btu. You should be ok provided it is a dedicated line directly from the gas meter to the generator with no other appliances sharing that pipe run.
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Geoff Z
I see now you have another post going at the same time. You have a model 5243 that runs 15kw on natural gas. 992cc engine that also requires 245,0000btu. So my original comments still apply.
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78buckshot
fred g, as long as it's a pretty straight run of pipe, by this I mean not a bucket load of elbows, you should have plenty of volume. As mentioned in the other post you should adjust the valve lash with a cold engine and put a manometer on the incoming gas line to check pressure with and without the generator running.
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Geoff Z
Yes every time your pipe run makes a turn you must add 2.5’ to your calculated length of run. 
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