Re: RPM at 65, 70, 75 MPH?
I'd say less than twice.
Throttle position has a lot to do with it. Your prolly only using maybe 15% to 20% throttle to cruise at 60, so its very efficient at thos speeds.
Also, fuel cut off is at 7250 - 7300RPM I think, thats what 909 ment with "redline" on the chart.
2004 Mazda 3i 2.0 ATX: Gutted air box, TB Ground, TB Coolant bypass, TSCV bypass, Timing Advance mod
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