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I've been looking at all the Brake Specific Fuel Consumption maps and I think that for our engines, (smallish I4's) we should be around 2500 RPM as a safe bet. It seems engines which are diesels or V8's would do better at a 1800RPM avg. Intuition tells me this too because it seems like for having my foot fairly far down, it is a very slow acceleration rate below 2000RPM. I also thought the whole point to this P & G was to take advantage of driving where the BSFC was lowest, and it looks as though other 16V 4Cyl cars do best at 80% HP and 2600RPM or so.
What happens when you try this Pale dude? Have you tried it? It just seems 1500 RPM is too low.
Obviously you are doing something right to get 80 MPG outta yer sled so my Inquiring mind wants to know.
Thanks.
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