Remember the instrumentation may not be the most accurate device to judge your engine speed...........after all, it's only a gauge.
200 RPM is nothing to really get upset about. When everything is said and done, does your mileage appear to be within reason?
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Ken and Terry
2018 Sunseeker 2430S-CD, nicely modified and carried by a 2017 Ford E450 Sport
Former Georgetown 330TS owner for 10 years with more mods than I can count, pushed by our 2017 GMC Terrain
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