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Lack of performance 744Ti 700 1987

It sounds from your description like the turbo is late in spooling up? I am thinking what is happening is exhaust is escaping someplace instead of spinning the turbo. Check the turbo wastegate, because if this is letting out the exhuast prematurely, it will underboost.

Here are some other ideas & helps:

http://www.misterfixit.com/volvo740.htm

http://engphys.mcmaster.ca/~bill/volvo/database/turbos.htm

http://engphys.mcmaster.ca/~bill/volvo/database/turbos.htm


--
"Can't understand why people abort Volvos, either"






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