Got My OBX Headers Today - ZR-1 Net Registry Forums

XfireZ51 · 11-26-2011

Retaining heat in the exhaust slows energy loss. The
more energy on the exhaust the faster it moves out.
Thus helps with scavenging the cylinder drawing spent gasses out and helping to fill cylinder with intake charge faster. At top end this becomes more important because there is very little time for valves to be open.

11-26-2011	#20
XfireZ51 Join Date: May 2007 Location: Chicagoland, IL Posts: 9,682	Re: Got My OBX Headers Today Retaining heat in the exhaust slows energy loss. The more energy on the exhaust the faster it moves out. Thus helps with scavenging the cylinder drawing spent gasses out and helping to fill cylinder with intake charge faster. At top end this becomes more important because there is very little time for valves to be open.

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