Dave M vin 03572
http://dm-eng.weebly.com/
You really should use an external valve with the new OEM style pumps and Kjet.
I removed the check valve after converting to EFI and you can hear the accumulator spring expand as the fuel drains back after key off.
Luke S :: 10270 :: 82 Grey 5-Speed :: Single Watercooled T3 .60/.48 :: Borla Exhaust :: MSD Ignition :: MS3X Fully SFI Odd-fire EFI :: DevilsOwn Methanol Injection
Here is the check valve:
https://www.usplastic.com/catalog/it...5394&catid=956
It's the one I use and I believe it is the same one DMC uses.
Chris Miles
For Better or Worse I own a DeLorean!
1983 Grey Manual, VIN #16409, Fresno, California