I have heard there is a module you can put on a merc. And will trick it into thinking its running in cold weather have been told it can be found on BBC but no luck finding it anyone no if this is even true and if so does it work goo or will it mess the motor up? Thanks
I have one on a 225 pro xs . hole shot with livewells full and 320# partner went from poor to very good , mid range response better than expected. top end still the same. online magnum tuning $200. motor needs to be out of warranty.
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