EFI

Initial Items - posted 5/5/10

Pre Filter – Retroteck updated their docs since I did a download of it and purchased my parts off of it. They are now saying to use just the screen in the tank… I don’t have one. After exchanging e-mails with Christian we agree you need something. His worked with an 85 micron unit from Earl’s (I had a 40 micron unit from Summit that I will be sending back). Got the new one ordered today (don’t worry – full parts list at the end of the project, or when I get it together).
Pulled the TA470 off – test fit the PJ (Powerjection) unit. The fuel rail has the pressure regulator built on it in the 70026 model I got. It hit on a port that my intake has on it. The fittings are on ‘REAL’ tight, but I got the elbow loosened so it could tilt and clear (needed about 1/8” to get it to fit). Swung the return line around – not sure which way I will make it run in the end.
AN -6 fittings/parts etc… I got the line and all fittings from Summit and used their brand as a friend said it was good stuff. I also got a Koul Tools 6,8,10 to help install the fittings on the hose. The Summit fittings would not fit in the tool. I called Summit and it was the first they had heard of it. I used the cutter from them on the line (which I was told by the buddy was the trick) and bingo – with just my hands and a socket (no wrench or ratchet) I got it on with no problem. Should be ready to start plumbing once the final pieces of the puzzle get here.

Install process - Focus on what I did different than Retroteck's instructions

DO NOT try to change the fittings on the pressure regulator. I contacted Retroteck initially about the regulator hitting a port on the side of my intake (see pics). I told them I was going to rotate things, and if that didn't work I was going to relocate the regulator and would probably need to swap the fittings. This didn't send up any red flags at the time... BUT when I tried to remove the fittings - things went south. To their credit, they are sending me a new regulator without the fittings installed for me to use.
Each install will require a bit of your 'own' fitting. My big issue was I needed to replace the entire fuel system as part of the install. I decided to use -6 AN fittings for my fuel system. On a recommendation from a friend, I went with Summit line and fittings (well - mostly their fittings - some special ones I got from other vendors where I could). I also got the line cutter and it worked GREAT. As an FYI - the PJ comes with a -8 fuel rail, and has reducers on each end to go to -6. If you have a lot of custom items to do, might be worth going -8 from the start.
I spent a lot of time chasing parts - mostly due to some unique items on my part. I have listed most of the parts I used for the install below (a couple may have slipped through the cracks, but those were on the custom stuff I did).
One of the big changes I made was to use a different thread sealant than Retroteck recommended - I used the Permatex that is not also a thread locker, but holds high pressure. This was so that I could take things apart if needed later.
You can see that I ended up having the Regulator on the firewall side of the throttle body. This made for a nice clean return and I simply blocked the top output with a fitting from the Hi-Tech Demon Fuel line kit.
I had no problems with the initial settings in the computer. From when I hooked up the O2 sensor (my last item to do) to when I got it fired up the first time was less than 20 mins.
Since the initial startup and run of the jeep, I have played around with the torque settings, and idle. They make a huge difference in how rich the system runs. Still playing, but could just set it and run it.
Right now, my system runs good with the torque levels of 265 (230 is stock, and I am not stock :) )

Well - I have decided to put FI on the jeep. After a lot of research I have decided to use the Powerjection III and purchased it from Summit. I did contact them prior to the purchase and was assured it would work for the 225 V6.