Quote:
Originally Posted by KevM2
Yeah I agree with all those observations by the OP. One other thing I’ve noticed on my manual car, is whenever I press the clutch, I swear the exhaust sound also changes (gets deeper)… maybe the clutch also opens the valve? This is when stopped and car is at idle
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When you press the clutch the engine runs more freely, so it revs a tad higher. It runs a bit more muffled with the engagement of the clutch to the gearbox.