CR12de 'v' CR14de

Hi guys, I'm new here but couldn't find what I was looking for through a search.

Basically looking to build a sub 1200cc Nissan engine to fit a class of racing in Australia.

I like the look of the CR14de, but was wondering if the CR12de crank is a bolt in proposition to the CR14 block? I understand either way I still need to de stroke the crank, but hoping it will be easier with the CR12.

Ultimately, the engine will run a turbo and plenty of boost. Will have forged Rods & Pistons made specifically for the task. Aiming for 220-250 bhp at the wheels.

Can anyone help with info on the crankshafts?
 
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