Greasecar Kit on a 240D

[Lonesome]

Have any of you guys installed a Greasecar kit on your car? I have an 83 240D that I put one in and I just cant get it working right, whenever I switch to grease the car will die after a few seconds, I then pull over on the side of the road and prime the hand pump about 15-20 times then I'm on my way and the car runs perfect. Does anyone have any ideas? I've been working on this thing all summer and it's driving me crazy! I've checked all of my connections over and over, replaced the leaky fuel return lines, replaced the leaky hand primer pump and its still doing the same thing. All comments and suggestions would be appreciated, thanks!

Josh