I have a DB2 pump,model DB2 829-4503 that I am installing on a 6.5TD. The turbo is a GM4. I need to know what the best setting for fuel adjustment and timing for it. I appreciate it and thanks, William.
Install a pyro then it all depends on how much power you want. I have a gm8 on my 85 6.2 studded. I run 12psi and a factory 93 db2 turbo pump. I would run it at 7 degrees of timing at 2000rpm and turn the pump up 3-4 flats watch the pyro and see how it feels
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