The steering tugs a
bit under heavy throttle but is nicely accurate the rest of the time with a good weight and rate of response to the wheel.
The six - speed gets the job done well enough, but
under heavy throttle inputs and quick transitions it can trip over itself here and there when downshifting.
Tightly wound but tremendously capable, there's a far bigger onus on accuracy and restraint on the road, especially since the more aggressive modes will allow this big sled to stray out of its
lane under heavy throttle.
Modern dual - clutches have it hard wired into their programming, primarily for smoothness purposes, and can execute a burp almost anytime they are
under a heavy throttle load.
The engine room seemed to be insulated well enough for in - town acceleration, though it allowed somewhat coarse protestations from the naturally aspirated 1.8 - liter four - cylinder engine to penetrate the
cabin under heavy throttle during highway merges.
Put simply, the 4.0 - liter V8 sounds epic, with a lovely
growl under heavy throttle accompanied by delicious pops and burbles from the exhaust.
Zora would refer to the original Grand Sports as «lifters» due to their propensity of the car's front end to
rise under heavy throttle and you definitely see that characteristic represented here.
Besides making more power, the turbocharger also helps in maintaining good fuel efficiency by controlling the waste-gate valve that remains
shut under heavy throttle to provide more boost pressure, and opens during normal driving to reduce pumping loss.
Equipped with a four - speed automatic that featured push - button overdrive on the side of the shift knob, the test car accelerated strongly throughout its range, with a moderate amount of engine noise and
vibration under heavy throttle.
Under heavy throttle, the exhaust tone ripples down your spine and echoes off your surroundings.
While we managed almost 18 mpg overall in the ZR1, it took a lot of restraint:
Under heavy throttle, at engine speeds of 3,200 rpm and above, the supercharger engages with a banshee howl that makes the ZR1 sound like it's leading the Daytona 500.
Of course,
under heavy throttle the transmission will keep it pegged at a certain rpm and buzz like mad, but in all other situations it does a fine job.