Modifying Valve Body of Toyota Car

[pioneer]

The problem is that the original calibration is engineered
for driver comfort rather than ultimate component strength.
The soft, sliding shifts that are part of the original
design are not appropriate for increased horsepower
applications, towing, off road use, racing, etc.

These calibration inadequacies quickly manifest themselves
as extremely poor shift quality, and more often than not,
severe damage to the gearbox is soon to follow. One of the
most common symptoms of this is the engine stuttering or
hitting the rev limiter during a full throttle upshift.

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