Alda adjust, check the linkage (it's possible you are only opening the IP up a little less than half way!), boost line.

Check timing chain stretch, and replace if more than 8 degrees, if OK, check injection timing.

do a valve adjust, too.

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!