24 BTDC is correct.
What do you mean by running horribly -- may not be timing. Do you have serious starting trouble or lots of smoke or both?
Rough running usually isn't injection timing.
Peter
__________________
1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!
|