Sven7...
I'd look up the BTCC (British Touring Cars) re the FWD/RWD on track debate..
However, I will say this- I only drive RWD- for exactly the reasons you state- each set of wheels doing one thing.
Thinking about your design- could you not utilise an engine from something like a toyota Previa, but much smaller capacity?
Thesea are floor mounted units, and would mean you could avoid having to package the engine at the front...
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