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Old 12-04-2010, 12:29 PM   #6 (permalink)
TimRogers
Casual Modder
 
Join Date: Feb 2009
Location: Metro Atlanta, GA, USA
Posts: 30

White Egg - '92 Nissan NX2000 SE
Last 3: 29.69 mpg (US)
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Where did the motor come from? If it was from Japan, their emissions laws don't require the low NOx levels that we have in the US so most of their intake manifolds don't have the ports for EGR.
Having said that, I believe that many VTEC motors don't require external EGR as the variable valve timing allows the exhaust valve to be held open longer when needed in order to draw the needed exhaust gasses back into the cylinder.
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