Brian, the nitro engine will have no torque/power at 0 RPM
How much power the MMM combo will put out is limited by the batteries... 6s with the MMM combo will BLOW the filter off a Picco .28. 4s should be pretty comparable in top speed (electric will still win with acceleration though), assuming good batteries/gearing.
SH Z-Car, Custom Crawler, 8s Savage,
12s XTM XLB 1/7 buggy,
4wd 4-link rear/IFS Pro4 truck,
Custom Hyper 10 Short Course,
Belt-Drive Mammoth ST 1/8 truggy, 4s 17.5 MM Pro HPI Blitz