When does the turbo usually kick in for the 1.8Ts?
02-25-2002, 12:54 PM
#5
AudiWorld Expert
Since the peak torque is achieved between 1950 and 5000 RPM, I would assume...
that the turbo kicks in even below 1950. Stickerboy may be right with his 1800s.
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02-25-2002, 01:00 PM
#8
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Not a peak, more of a plateau...
KO3 hits max boost at 2300
KO4 hits max boost at 2600
T-28 hits max boost at ???
GT-25 hits max boost at ???
I want to say i heard CMH say the T-28 hits max boost at 3600 rpm...but i cannot cite a specific post.
The turbo will make its boost all along that given rev range...peak suggests there is one points where the boost is maximized, when in actuality (so i understand) there is a boost plateau from a given range (2300-5500 for a KO3 @ 14.7 psi, for instance) Past 5500 the KO3 is beyond its effeciency range and cannot really produce significant boost.
Cheers
KO4 hits max boost at 2600
T-28 hits max boost at ???
GT-25 hits max boost at ???
I want to say i heard CMH say the T-28 hits max boost at 3600 rpm...but i cannot cite a specific post.
The turbo will make its boost all along that given rev range...peak suggests there is one points where the boost is maximized, when in actuality (so i understand) there is a boost plateau from a given range (2300-5500 for a KO3 @ 14.7 psi, for instance) Past 5500 the KO3 is beyond its effeciency range and cannot really produce significant boost.
Cheers
