1976 Chevy Camaro - Project g/28 Part 4
Some readers might just call us out for cheating, since the EGR port (left) was blocked with a cover plate for our testing. However, EGR is vacuum operated, and remains completely shut at wide-open-throttle, which is how the dyno tests for power. No cheating here. The other port (right) is for a thermostatic choke, and is not used with the electric choke on our carb. Note the hole in the manifold plenum; this is where the exhaust gas enters the induction system when the EGR valve is open.
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