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Thorn in the side
OK -- let me be the "thorn in the side" or "devil's advocate here"...
Our TSX has NO EGR... so what does that mean? It has the i-VTEC system that variates the cam timing.
The only feedback that I get is from the stock FE graphic display, or the SG-II, when equipped.
I understand that this is a modern setup, that does not represent most engine designs. So, what is the most efficient technique for cold-starts?
It has no EBH, or other FE enhancing devices -- purely stock (with the exception of tire pressures). I've noticed that the recommended "gradual warmup" produces the best results. For those unfamiliar, the absence of an EGR has been replaced by variable cam timing --specificially at idle to reduce timing at idle. The vehicle warms up quickly, but without relying on recirc of exhaust gasses. Modifying this system is likely unsucessful...
...But...on the 'Teg, forcing backpressure is indeed an interesting argument. I'll be poised to see what develops...
RH77
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“If we knew what we were doing, it wouldn't be called research” ― Albert Einstein
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