what's the HP rating on a 377 Scorpion

[Mandelon]

How much does one weigh and what is the HP output?

[INSman]

969 lbs and 377HP, just probably not 377 at the prop, just like the 500's that are 470HP at the prop

[Mandelon]

Oh Duh. I thought the 377 was displacement not HP......what is its displacement then?
thanks

[spectras only]

377 is the displacement. My 6.2 [377] is rated 320HP at the prop. The scorpion is rated around 360 hp.It's around 340 at the prop. Here you go=
http://www.nwboating.com/classifieds/detail/430

[Trash]

Like others have said, it is 377 cubic inches and 360 hp at the prop for an inboard application (i.e. tournament ski boat) and 350 hp at the prop for I/O such as a Bravo I.
I would equate it to a small block version of the HP500/525 EFI as far as internals and build quality.

[ROZ]

Tom Brown uses these to power his bidet....

[CrazyHippy]

Tom Brown uses these to power his bidet....
A new use for a jet boat... I shall now refer to them as Mobile Bidets :D :jawdrop: :D
BJH :hammer2:

[NuckinFutz]

I don't know alot about the 377, but from my experience with the original 350 scorpion I had in a tournament boat I am a firm believer they are good engines. I had over 600 hours last year when I sold the boat and it ran as good as day one. Mobile 1 oil and water seperator filter every 50 hours, and a new inline fuel filter is all the engine ever needed.

[spectras only]

The 377 is a good engine. The reason merc dropped the 377 scorpion ,because it wasn't cost effective. The 377 I have in my boat has steel crank and billet roller camshaft.
The only thing one would want to change is the hypereutectic piston if supercharged. The 377 scorpion had forged pistons ,so s/c wasn't an issue. Time will tell how good these regular 377's are. I have only 30 hours on both engines ,so it's too early to tell.

[TPI]

Also, the approx 1000lb weight is the total package(motor, drive, gimbal). They are a pretty light motor when compared to a BBC. In some smaller boats, they work VERY well.

[Smokin Joe]

There were two versions of the 377 Scorpion one was the black Scorpion for Tournament ski boats and the blue Scorpion for I/O applications. I do not know much detail on the black but as with all blue motors they are hand built by one tech, tested and run at the factory before they go out. With all the good stuff that goes into them and did I say the 377 looks cool. I have been very happy with mine 170 hrs and going strong.
joe

[Mandelon]

I met a guy with my same boat, 21 lavey. He has the 377 Scorpion in it. He told me he his top speed was 75.......then he told me he didn't have GPS, either.... :rolleyes:
With the 496HO I just get to 70 with the 26 4 blade. Just wondering if it was possible..... :sqeyes:
Not that I was feeling inadequate or anything........ :squiggle: :D

[rivercrazy]

I also know a guy with a closed bow with the Scorp motor. He says it runs in the high 60's on GPS.

[spectras only]

My boat runs over 70 with Bravo 1 26P :cool: . Ooooops ,forgot to mention there are two in the bay :rollside:

[CBLavey]

I met a guy with my same boat, 21 lavey. He has the 377 Scorpion in it. He told me he his top speed was 75.......then he told me he didn't have GPS, either.... :rolleyes:
With the 496HO I just get to 70 with the 26 4 blade. Just wondering if it was possible..... :sqeyes:
Not that I was feeling inadequate or anything........ :squiggle: :D
Not on his best day will he hit 75...I've got the same boat with the 6.2, non-Scorpion. The 377 Scorpion I/O had 350hp at the prop. Mine is 320hp. I'll be trying it against the GPS and will let you know in about a month. I'd expect about 65 w/EMI headers pulling a 24" Bravo to 5200 rpm...
The XCS is a little faster with a better CG. Hot Boat test about a year or so ago, 71.1 with the 496 MAG, non HO.

[born2burn]

Last year for the "BLUE" 377 was 2004. Anybody looking for a "Blue" (2004) 377 Bobtail with less than 20hrs. on it? First 8500 takes. Blown 540 is in the process.