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Pollock · 01-27-2019, 05:55 PM

I spoke with a local mechanic at a dealership who is also a friend. He uses this cleaning method on his direct injection engine every 10,000 miles. But uses a different brand that I dont remeber. Says it cleans the build up off the valves.

01-27-2019, 05:55 PM	#15
Pollock LT4 M6 Drives: 2018 ZL1 1LE Join Date: Nov 2010 Location: Bloomington, IN Posts: 1,249	I spoke with a local mechanic at a dealership who is also a friend. He uses this cleaning method on his direct injection engine every 10,000 miles. But uses a different brand that I dont remeber. Says it cleans the build up off the valves.