Quote:
Originally Posted by NachtRitter
If you are bump starting (clutch starting) in such a way that you are putting more stresses on the engine than you would using the electric starter, then you are not bump starting correctly. Likewise with the wear on the clutch, input shaft, etc compared to down shifting (unless of course you don't ever down shift, or you double-declutch & rev match on every downshift). Bump starting can be done in a way that the engine would not know the difference if it is the key starting the car or the clutch.
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This is true, but the starter turns the flywheel at a much slower rate than bumpstarting. Also, oil accumulators are designed for engines when they are starting, because that is where you are doing the most damage to the engine...also why on the Civic, you don't get instantaneous start and the engine will cycle before it starts...partially to establish some degree of oil pressure.
You might say it doesn't do more damage than starting an engine, and that might be true, but if you are doing this on a CONSTANT basis on your daily commute, it adds up over time and you are having more metal to metal interaction due to the lack of oil pressure via the oil pump not already pumping(engine off). That fractional time difference between the engine running and the oil pressure resustaining itself adds up over time which is why oil accumulators were developed. I'm actually considering putting an oil accumulator on this VX if I can get around to it just to increase the life of the engine.