I took my Honda CRZ Hybrid, ripped the oversized battery out and dropped a k24A2 with a 2011 Civic SI LSD trans. Needless to say the car is a lot better now :
Honda CRZ CR-Z 2011 I-VTEC IMA - 1.5 Petrol Engine and Electric Motor LEA1 | eBay
Motor Honda CR-Z
CR-Z Si - Building the Real Hybrid Hot Hatch| Builds and Project Cars forum
Honda CR-Z, presentación y prueba en Holanda (parte 1)