Quote:



If the engine is leaned out, mpg will go up, but usually hp will go down.





Again, the key word is usually.

Where do most engines make max power?

But, this is getting OT of my original question.

72 RR, Pump gas 440, 452s, 3800 lbs, Corked, ET Radials,. 11.33@117.72. Same car, bone stock 346s, 9.5 comp, baby solid. 12.24@110.