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Hey there gang,
I have a questions for those with turbo knowledge. My 91 940 Turbo Wagon seems to have poor performance. I, however, am grossly ignorant of what an actual turbo volvo wagon should feel like. Here is the dope. It accelerates with what seems to be normal huff through the gears, yet, it needs to kick down for any umph when cruising at over 45.
From my understanding, turbo units kick in at over 3 k rpms, providing the vehicle with extra go. My turbo unit's needle never goes beyond around 1 oclock. The hoses look pretty good, though the one from the turbine housing is a bit worn (no obvious holes). An exhaust leak was found at the rear end of the unit (where the flange is), at the point where the pipes connect and then head on down to the cat. It was really rattling. I heated up one of the bolts to get rid of the noise...but the smell is still there a bit from the leak. This is after the unit, so would it be an issue causing this?
Now, I took it to garage, and I think they bs'd me. My first trigger was when the service guy said no adjustment was possible on a turbo (wastegate adjustment? Hmmm...wrong). He told me it just runs like that due to the cars weight. Seemed unlikely.
Here is the question, and I really thank those knowledgable turbo brick drivers who can say 'yeah or nay.' Should I get noticable boost after 3k? It struggles to pick up without kicking down a gear or so, and this seems like its off. The turbo dial never moves past 1-2 oclock, foot to the floor. Whats up?!!!
Thanks a million, you brickers are the best!
Justin
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