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View Full Version : Merc 245 with new Block, looking for some info



Mike Nass
07-04-2014, 08:40 PM
OK guys I just picked up a really, really clean merc 245... way nicer than expected... (bought it off Craig's list) anyway the owner was second owner and told be he thinks the original owner had it rebuilt, but not real knowledgeable about what they did... it appears to have a new style 280 style block, with the alternator boss milled off at the factory, I say that as the gold coating has been applied after the machining process... I am curious if this would have the 245 or 280 porting and particularly the 280 exhaust chest or not? I know I can yank heads and exhaust (chest) plate, but don't really feel like yanking it apart right now, but curious none the less...

Any insight would be great...

cheers,

Mike

RBT
07-04-2014, 10:18 PM
It will have 245/260 porting with the step in the exhaust walls

Mike Nass
07-05-2014, 12:10 AM
thanks Rob!

tux974
07-05-2014, 05:10 AM
Mike, great motors!! IMPO much better than the EFI 260 version.