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-   -   502mpi 470hp?? (https://www.offshoreonly.com/forums/general-q/227145-502mpi-470hp.html)

US1 Fountain 03-30-2010 01:08 PM

Not nessessarily a reason to avoid, just be more cautious. New VC's and painting intake doesn't quite fall under tearing into a motor, just blinging it out.

BDiggity 03-30-2010 01:24 PM

It must be similiar to these Merc 575 hp efi's. The sticker on the manifold says so.

http://www.boattrader.com/listing/19...2A%2A-95398718
:rolleyes:

Pismo10 03-30-2010 01:32 PM


Originally Posted by BDiggity (Post 3078101)
It must be similiar to these Merc 575 hp efi's. The sticker on the manifold says so.

http://www.boattrader.com/listing/19...2A%2A-95398718
:rolleyes:

The 2002 575s were supercharged. I wonder what those engines are?? Look like 502Mags and someone swapped the stickers..Slick..Maybe they are the original 540ci 575s from 89...with a rebuild in 2002.

Boat Tech 03-30-2010 06:41 PM


Originally Posted by Pismo10 (Post 3077833)
Its a 502MPI 415hp. I think some came through with that blue intake, it seems to me I have seen that before someplace. Certainly an aftermarket flame arrest though.

I agree, I think Mercruiser did try to spice up the look at one very short time, Somewhere around that time frame also, Because I am pretty sure I have seen that before myself.

jeffswav 03-30-2010 07:51 PM

I have seen them in blue before, it could have been that way from the factory. I could not tell you what year or why they did it.

NHbaja 03-30-2010 08:10 PM

That boat is on winni, I almost 90% it is 415hp

Scooter B 04-01-2010 12:30 PM

That does look familiar...I knew a guy with a late 90's Baja H2X with a 502 MAG MPI 415 HP (Just like my black one) and I could swear it was painted blue...not sure if it was factory or not.


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