Does the car make ANY black smoke out the back when floored? I had one once that I could have sworn the turbo was bad. It turned out to be one of the rubber hoses that activate the boost control switch to the alda. It is so cheap that it would be my first place to look. Same symptom as a boostless turbo.

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64 European Coupe Brilliant Silver with Red interior 4 Speed Sunroof
87 TDT 286k
87 SDL 195k
83 SD 202k
83 SD 201k
83 D 286k
02 R1150RT 32K
00 122HP FLSTF
07 KTM 250SX

"Danger takes many forms"