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Thread: Merc 2.5EE block vs FF top rpm
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03-20-2019, 07:24 AM #16
[QUOTE=friendbroker;3120279] A promax isnt like the 260s and such. They have a steel bore and dosent need rings and bearings replaced as often. , promax can go hundreds of hours. If u have 140 145 , I wouldnt tear down. I'd do fuel system and electronics maintenance and run her ,