Yeah, and if you cannot comprehend what I just said...
I claimed that HORSEPOWER GAIN (or loss) is going to be insignificant.
Your minor change in temperature can be also due to other factors...hell, I bet the sensor deviation is within those ranges.
Besides, you just plugged up ONE way the exhaust gets through to the intake manifold.
You do realize that the exhaust gases still get around the exhaust sleeve by the leading edge, right?
Mazda designed the EGR system to be like that.
You're might be onto something significant, but don't pat yourself in the back too much yet...
-Ted
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