My car has what I thought is a bad turbo. I even had an indy tell me so. The car has virtually no acceleration. This is the 87 124. It went from 12sec. 0-60mph one day to 30+ within two days. No noticeable oil consumption (Rotella 15-40) Some minor grey smoke on startup. Have checked for plugged vac. lines. Checked and cleaned overboost valve. Alda was adjusted 1yr. ago with good results. Hooked pressure gauge up to nipple on drivers side of IM and 0psi. When I tested the boost I could only accelerate up to 35 but I thought at least some boost would register. I will try again today and floor it up to 60mph. It seems to get a little better as the car warms up. Any other tests or conclusions?

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Muleears
'07 E320 Bluetec 133K my DD
'04 Jaguar XJ8 VDP, 34K
'10 Hyundai Accent 60K Grocery Getter
'02 VW Golf soon to be on the road again
'97 E300 Diesel Son's DD
'61 VERY tolerant wife

Hampton Roads, VA USA

Gone but not forgotten:
'67 250S 95K
'86 300SDL
'87 300D Turbo, 364K! R.I.P.
'98 E300 Turbodiesel, 213K
'02 S420, 164K
'01 Prius 138K