07-22-2011, 11:49 AM
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Join Date: Oct 2004
Location: Brunswick,
GA
Cobra Make, Engine: BDR 1311 428PI
Posts: 3,044
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Not Ranked
Couple of things;
#1 if this is a tunnel port how is it using a tunnel wedge intake. Even though they both have "tunnel" in the name they are not the same nor are they interchangeable and the value could vary greatly.
#2 did I read right that this engine was built for NO2 and with 11 to 1 compression? I've never built an engine for NO2 but aren't the CRs normally lower like a supercharged engine?
Steve
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