I think DP is a waste and won't use it anymore.

If your injectors are iffy remove them for testing.

I doubt you will hurt anything, worse case you knock some crap lose and clog a nozzle, but I doubt it will do anything either.

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2016 Corvette Stingray 2LT
1969 280SE
2023 Ram 1500
2007 Tiara 3200