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-   General Boating Discussion (https://www.offshoreonly.com/forums/general-boating-discussion-51/)
-   -   Mercury 565 HP (525) at Miami Boat show. (https://www.offshoreonly.com/forums/general-boating-discussion/271089-mercury-565-hp-525-miami-boat-show.html)

wrinkleface 02-21-2012 09:31 AM
rode in the NT 420 w/ them! very nice, was told it's push'n that into the mid 80's!!!

Raylar 02-21-2012 10:10 AM
The intake manifold is a modified design with a redo of the top of the HP500-HP525 EFI manifold similar to the change they made to this design for the new 502HO Mercruiser version.

Best Regards,
Ray @ Raylar

272bajadriver 02-21-2012 10:59 AM
Originally Posted by wrinkleface (Post 3622872)
rode in the NT 420 w/ them! very nice, was told it's push'n that into the mid 80's!!!
Wrinkleface it was nice meeting you and your wife at the show! That ride on the nortech was definitely a good time.

Whipple Charged 02-21-2012 12:04 PM
Originally Posted by glassdave (Post 3622820)
What intake is used on this engine? I know the old one was an Arizona Speed and Marine. Thought I'd heard it was a retro'd GM RamJet or something.
Its the same intake as the 500 and 525, but they blocked off the front where the TB normally goes and machined 2 holes on top where the sticker normally goes. It has dual 80mm electronic throttle bodies now, but the flame arrestors are off the 496's.

glassdave 02-21-2012 12:37 PM
Originally Posted by Whipple Charged (Post 3623017)
Its the same intake as the 500 and 525, but they blocked off the front where the TB normally goes and machined 2 holes on top where the sticker normally goes. It has dual 80mm electronic throttle bodies now, but the flame arrestors are off the 496's.
Isnt that what Tyler Crockett did like two years ago?

JaayTeee 02-21-2012 12:50 PM
Originally Posted by glassdave (Post 3623055)
Isnt that what Tyler Crockett did like two years ago?
kind of...he put 1 huge one on and it worked.

mike tkach 02-21-2012 09:05 PM
does anyone know the bore&stroke on the 533?

wrinkleface 02-21-2012 09:12 PM
Originally Posted by 272bajadriver (Post 3622961)
Wrinkleface it was nice meeting you and your wife at the show! That ride on the nortech was definitely a good time.
Back atcha!!! Soon 2 B wife?????:daz::party-smiley-004::evilb:


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