Cam, headers, e-fans, intake, tune and my trailblazer ss put down about 400 all wheel hp. That’s about 500 crank.
You could take a junk yard iron block 4.8/5.3/6.0 a step further and drop a turbo in. Instant 600-800hp for a couple grand (if you do it yourself).
I like the combined electro-gas idea for massive instant torque, but with long range and recharging from the high-powered gas engine. Problem with eco-enviro is the low power gas end and high weight of the battery side. When they try to wedge both into a a little-bitty underpowered too-small enviro-packaged box, nothing works.
Try it with a larger car and higher-powered engine, you’d have more success.
Is the loss that much? Because the build I referenced above came in @273 at the wheels. I figured maybe take off 35 or 40 Hp.
Love the TB SS..