Look at the link I use the diagram 4 system sort of I return to tanks with a bypass for purge to return veggi to veg tank Diagrams with HIH for heat
tieing into fuel system of 7.3 idi NA
I am planning the conversion of my 88 7.3 IDI NA to WVO soon. The stock mechanical lift pump feeds the fuel filter/separator before going to the IP. The fuel filter is under pressure from the lift pump. Where should I tie in with the 3 way valve? I would like not to run veg through the diesel fuel filter. I'd like to use the mech lift pump also for veg if possible and not add an elec pump.
1 - 2 of 5 Posts
................. /-stock filter-stock fuel line to stock 6port
IP - lift pump-6 port-
.................. \-HIH to veggi fuel filter
......................................... /- to stock return
............................. /-3 port-
return from IP -6 port...............\-to veggi return
............................ \- to veggi return HIH
You will need to change the way the return runs I capped it at the back of the motor and put a tee at the IP to feed the six portyou also need to cap the bleed line from the filter.Here is a link to pics of my truck.I found good info on greasels site for doing these trucks when I did mine
pics of fuel lines
IP - lift pump-6 port-
.................. \-HIH to veggi fuel filter
......................................... /- to stock return
............................. /-3 port-
return from IP -6 port...............\-to veggi return
............................ \- to veggi return HIH
You will need to change the way the return runs I capped it at the back of the motor and put a tee at the IP to feed the six portyou also need to cap the bleed line from the filter.Here is a link to pics of my truck.I found good info on greasels site for doing these trucks when I did mine
pics of fuel lines
1 - 2 of 5 Posts
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