Intake Valve Carbon Cleaning - Walnut Blasting Method

Before and after images and power figures included. Cleaning the intake valves of a direct injection engine using the walnut blasting method. This video also explains how to blast the intake valves with walnut shells in an effective way.

Links to previous intake carbon cleaning videos:
Hydrogen Carbon Clean:
Hydrogen Engine Carbon Cleaning Revie...

CRC Chemical Carbon Clean:
CRC valve cleaner before and after va...

The car is a 2014 SEAT Leon 1.4 TSI 140PS turbo petrol that has done 153,000 miles. The cylinder head was replaced at 60,000 due to a manufacturer fault. So in actual fact the cylinder head has only done 93,000 miles.

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