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zombie1969 Aug 4th, 10, 9:24 PM I have 30lb injectors on my edlbrock pro flow system and the fuel pressure is 50psi.I think I need 36lb injectors to fuel my small block that should be about 500hp.Would bumping up the pressure to 65psi make the injectors work like a bigger injector?If so would they work properly? Tom Mobley Aug 6th, 10, 1:54 PM 65 is kind of a lot. going to be hard on your pump and injectors both. sell the 30s and install the 36s IMO. zombie1969 Aug 6th, 10, 2:20 PM I was hoping not to hear that.New injectors arnt cheep and I dont think Id buy used ones so selling my old ones could be an issue.Thanks. bikeron Aug 6th, 10, 2:32 PM 65 is kind of a lot. going to be hard on your pump and injectors both. sell the 30s and install the 36s IMO. Yes get the 36lbs injectors. The pressure does not increase the flow that much.. Ron zwede Aug 6th, 10, 7:51 PM If you really make 500 hp, I'd recommend 42 lbs injectors. The_Punisher_454 Sep 14th, 10, 6:28 PM 65 is kind of a lot. going to be hard on your pump and injectors both Some injectors work great at higher pressures, while many crap out. for example, Multecs dont like 60+psi, while Bosch III's are real happy at that level and even much higher. If your injectors work at higher pressures you will also benefit from better atomization. A lot of late model GM stuff runs at 4 Bar rather than the traditional 3 Bar, Just something to think about. | ||