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Old 8th February 2008, 15:31   #16
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Sorry for not expalining NA(naturally-aspirated)

In four stroke IC engines (and some others like rotary engines) we either have an engine breathing air (intake) at atmospheric pressure - which is called NA engines, like our regular maruti, fiats, ambassadors etc --------------- or ----------------
we have engines where air is compressed (using a turbocharger/supercharger) to much higher than atmospheric pressure levels and then fed into the engine. This would help a relatively smaller capacity engine to develop more output by burning more amount of fuel.
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Old 8th February 2008, 15:38   #17
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i think NA means Naturally Aspirated. Air gets into cylinder due to vacuum created in cyliners. No external force used to push air in.
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Old 8th February 2008, 22:28   #18
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Welcome aboard swiftboost/joe,

Great to have you here.
Lately there have been a lot of threads on forced induction, and its getting more and more popular and exciting.

Just to let you know - your intro thread will auto-lock in a few weeks, so it is best to carry on any discussion other than "hi, hello welcome" in a new thread in the relevant section.

cya around,
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Old 8th February 2008, 23:22   #19
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Originally Posted by midlifecrisis View Post
Welcome Joe. Now, would someone translate that to plain english please? For starters, whats NA?
NA = naturally aspirated. No forced induction or not turbo charged
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