Pictures will help with this conversion diagnosis.
We need a fuel flow schematic/drawing.


For greater technical help, I moved your post from my "Biodiesel and WVO - SVO links thread".

Please bookmark the following thread:

http://www.peachparts.com/shopforum/showthread.php?t=142446

***************************************

Special attention to these topics:

Diesel Injection
Engine Electrical
Engine Mechanical
Fuel Delivery


Have a great day.

__________________
ASE Master Mechanic

Prototype R&D/testing:
Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician.
Noise Vibration and Harshness (NVH).
Dynamometer.
Heat exchanger durability.
HV-A/C Climate Control.
Vehicle build.
Fleet Durability
Technical Quality Auditor.
Automotive Technical Writer

1985 300SD
1983 300D

https://www.boldegoist.com/