i need some help. i have a v-afc and 450cc injectors, i know how to make them work together but my friend says that i should use a fuel pressure regulator and an aftermarked fuel pump. otherwise im gonna have issues with fuel delivery, it's that right?

 

The regulator is not 100% necessary, but the pump is IMO. You don't want your stock high mileage pump giving out at 10psi/6500rpm.
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Hey it looks like we have another Rafael on the board....am I right?

Oh and you dont have to get an aftermarket one.A new stock on should be ok if your car has high milage.

 

I have never priced an OEM fuel pump, but I bet for the same price you could get a 255 Walbro. Those things are selling for so cheap nowadays.
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i have a 99 civic ex with 100k. so you guys say that i don't need the regulator but i do need to get the fuel pump.i don't need the regulator 'cause the afc "hack" is going to regulate the fuel.Am i right?

 

yes.

 

I'd also say that you don't need new pump.... stock is good for 440cc injectors...