I'm not sure about the extent of my future mods so I was wondering can you add larger fuel injectors than what you actually need? I will problably go with the LE2 head/cam package this spring and I will more than likely add NOS sometime down the road. I don't want to buy injectors twice.

 

42# injectors are very tunable, according to Jeff Creech of Carolina Auto Masters, and are good for 600 rwhp. I would recommend going this route. You will need to upgrade your fuel pump to get to this level though.

 

I believe the equation (and I might be wrong) to find the injector size needed for your desired HP is:

take HP X and multiply by .625, then divide by number of injectors (in our case 8).

To find how much HP a set of injectors at a flow rate will peak at reverse it. Take flow rate X, multiply by number of injectors and then divide by .625.

 

i'm gonna be runnin FMS 42lb injectors with my walbro 255 intake pump. is that pump too small? or will i be fine for a while? thanks. sorry for messin up the thread