Re: Air Intake question
They are all about the same, and shouldn't make that much difference.
I designed the original air induction system for the GMT800 trucks (still in use) and the requirements were sized for the Diesel and MarkV engine airflows (1" Hg @ 272 g/s flow, from ambient air inlet to engine intake).
The 5.3 airflow was quite a bit less than that (hence the restriction is quite a bit less - like 1" Hg @ 253 g/s, if memory serves), so the production setup is more than adequate.
K
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