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8.2 MAG H.O. - 430hp

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Old 02-20-2011, 07:23 AM
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Default 8.2 MAG H.O. - 430hp

Anyone have any insite on this motor vs the 496HO, it list as 5 more horsepower, is this the replacement motor for the 496?
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Old 02-20-2011, 07:47 AM
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Merc had one in their booth at the show yesterday. Didn't look to long. No blower or turbo on it. I believe it is a replacement for the 425ho mag. They had quite a display of all their stuff including all their new package's. I noticed that stuff they were not going forward with was not there like the 1200sc's, but I did not notice if they had a 496 on display or not.
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Old 02-20-2011, 07:52 AM
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Originally Posted by fastedy
it list as 5 more horsepower, is this the replacement motor for the 496?
Yes
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Old 02-20-2011, 09:00 AM
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GM is not building the 496 anymore, so Merc went back with the good ole 502
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Old 02-20-2011, 10:19 AM
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Does the new motor have a catalytic converter?
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Old 02-20-2011, 11:11 AM
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Originally Posted by Dave M
Does the new motor have a catalytic converter?
Yes but there are ways around that.

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Old 02-20-2011, 11:55 AM
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1) They are kind of a ***** to rig with tailpipes and Captain's call as the manifold/cc exit is about a foot farther aft than any other engine.
2) The cc definitely makes the engine compartment VERY hot. Heat in the box slows you down; no matter what engine you've got.

Other than that, they appear to be great motors.
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Old 02-20-2011, 11:59 AM
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Yes it is Eddie!
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Old 02-20-2011, 12:13 PM
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Originally Posted by fastedy
Anyone have any insite on this motor vs the 496HO, it list as 5 more horsepower, is this the replacement motor for the 496?

I am hear that old 496 HO have 425 BHP, but new one have reall 430 HP on prop shaft.
This is much more than 5 HP if it is true.
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Old 02-20-2011, 03:02 PM
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Originally Posted by sinus
I am hear that old 496 HO have 425 BHP, but new one have reall 430 HP on prop shaft.
This is much more than 5 HP if it is true.
Pretty sure all Merc motors have been rated at propshaft HP for quite a while now.

Is the CC required now? If you have a new boat built that is equiped with a CC are you required to always have one? Not that it would be easy for anyone to check up on you.
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