Not ideally, Stroke is different as the 750 uses the same stroke as the 620. Also the 620s and 800s use higher flow injectors so fueling would be way out if your using the earlier 750 Injectors. But the 620/800 ECUs can be reprogrammed to suit If your going with adapting the clocks from a 750SSie then its probably best to try and adapt the SS Harness Checkout the Desmo Due Paddock on Facebook |