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Old 02-26-2018, 03:55 AM   #10
10/10ths
"50 Years of 550 Spyder"
 
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Join Date: Jun 2015
Location: The Road
Posts: 918
That 9A1 image doesn’t show you the depth. That injector is between the two valves. It is not really washing them. The DI is also at much higher pressure than port injection and fires multiple small pulses. If you are DI only, your detergent gasoline is not helping.
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