Cvt
With detonation and torque issues, I'm wondering if a CVT transmission would be the best option. I know, cart before the horse...
Reason-being -- from driving the Prius and noting the engine speed, it seems to turn faster, and in bursts. It begs the question of the Atkins' ability to have enough power in the standing-start RPM range in either a manual or TC auto.
Variable timing may be the key, as mentioned.
BTW, Does the HF have VTEC? That might achieve the Atkinson-like operation...
RH77
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