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I have the in tank setup with the 1.0 version...Im having issues with it leaning out under acceleration. New pump....Not a Walbro but it's one thats listed for a 1998 Grand Cherokee with the 5.9 litre...

No I have the in tank setup...So just remove the gold filter by the throttle body and run the system like that?

Ok....Yeah I've gone through the electrical part causing me to think it's the fuel pumps...After 3 of them and sorting out power and ground to it I THINK I have that covered finally....lol Ok....What do I run in place of it? The problem I'm having now is under mid to heavy acceleration the AFR...

Hey is that the filter by the throttle body? I did take it apart and looked at the gold screen when I was having issues with the electrical side of the fuel pump but I put it back in...Is that the one you're talking about?

Good day. I have the Fast Ez Efi 1.0 installed on my Demon. I been running the system for about a year now...Been through the electrical gremlins with it also replacing fuel pumps. The problem I'm having is under acceleration (anything more than 1/4 throttle) the AFR goes extremely lean and...

I used the stock tank with an electric fuel pump in tank...I added the fuel pump to the end of the sending unit with a short piece of rubber hose cut to length. I am running the Fast ez efi 1.0 system. I drilled a small hole for the wires to pass out of the sending unit...If I had to do it again...

I have the Fast EZ EFI system...I like it alot....I looked at the MSD system, nice system, but after doing a little research found out that most people still ended up having to run a return line for fuel....Also I looked at the fact that the Fast system uses GM style sensors so they're readily...

I'm running a Walbro (I think I spell it right..lol) in the tank pump....It came with the EZ EFI system, but I'm sure you can buy the pump seperate.....I attached it to the end of the sending unit....I only hear it when I prime the system to start....