Replaced passenger side standpipe, 225K on factory 10mm pipe and dummy. Standpipe was stuck and made the tool guys have posted to remove. Worked well, now after install of OEM parts and using Alliant o-rings did air check and heard slight leak evidently from injector or cup. Reinstalled and tested still have oil leak causing long crank. Tearing back into to replace, cups,o-ring for injectors, and cups. After trying to remove standpipe found it separated at the spring when removing. Unable to rethread and remove after multiple tries. Decided to get inventive/creative found thread are 1/4-18 NPT. Created a tool that may help others in this situation as others have found you can't remove oil/fuel rail(passenger side) without stand pipe lower section out. I took a 1/4 pipe coupler, placed it in a drill and used a grinder to turn the coupler down to match the diameter needed to insert into rail to remove stuck what I call nipple(section between upper section of standpipe and lower where spring is) I then used a 2" nipple and air chuck to give me something to grip/pry on. . Since I don't have a lathe at home this took a couple test fits to get diameter right. Hope this helps others as this forum has helped me! Now back to replacing cups and o-rings.

Nipple between upper section and lower strandpipe where spring is.

Tool i made since i don't have lathe at home.

 

Good inventive way to fix the issue.