Its been suggested that I clean my injectors with either Redline S1 or Lucas Upper Cylinder cleaner. How often should these products be used, just at fill-ups or once every _______ miles?
I use Redline's SI-1 Fuel Injector Cleaner every third fill up according to the instructions on the bottle. By the way I/O Port Racing has all Redline products at 25% off today only on internet orders!
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