A siezed turbo is NOT going to run like a Normaly aspirated engine as the non moving turbo will pose a substatial restriction to both the intake and exhaust.

That needs to be swapped before anyone makes any further brilliant comments to what is wrong with it.

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Proud owner of ....
1971 280SE W108
1979 300SD W116
1983 300D W123
1975 Ironhead Sportster chopper
1987 GMC 3/4 ton 4X4 Diesel
1989 Honda Civic (Heavily modified)
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Section 609 MVAC Certified
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"He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche