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TOPIC: Engine swap

Engine swap 08 Sep 2017 16:51 #1

  • Northern Bayliner
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Good day Fellow Boaters, My wife and I just Bought a 2000 2859 with a MPI 7.4L bravo 2. We upgraded from a 2002 2452 (242) model with a 5.0L I want to re power the 2859 with the 8.2L has anyone tried this? Is the 7.4L under power?

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Engine swap 11 Sep 2017 17:37 #2

  • watchthis
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I have never heard anyone opine that the 2859 is underpowered with the 7.4, but many have lamented that their 2859 "only" had the base sbc 350 which was a bit underpowered.
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Johnson Point, Olympia, WA
1989 2855
Horizon 6.2 and Bravo II

Engine swap 11 Sep 2017 19:32 #3

  • Chief Alen
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What drive ?
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Be good, be happy, for tomorrow is promised to no man !

1994 2452, 5.0l, Alpha gen. 2 drive. Sold ! Sold ! Sold !

'86 / 19' Citation cuddy, Merc. 3.0L / 140 hp 86' , stringer drive. Sold ! Sold ! Sold !

Engine swap 11 Sep 2017 20:05 #4

  • Northern Bayliner
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Bravo 2 2.0 ratio

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Engine swap 11 Sep 2017 20:27 #5

  • Chief Alen
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Best of the bravos.

You can place any engine in front you want.
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Be good, be happy, for tomorrow is promised to no man !

1994 2452, 5.0l, Alpha gen. 2 drive. Sold ! Sold ! Sold !

'86 / 19' Citation cuddy, Merc. 3.0L / 140 hp 86' , stringer drive. Sold ! Sold ! Sold !

Engine swap 11 Sep 2017 21:43 #6

  • Download_Complete
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The 8.2 is roughly the same size as the 7.4, but is heavier.

I would rather see you go 383 small block. Same power, lighter weight, better economy.
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Matt Train
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Chicagoland, IL

Engine swap 15 Sep 2017 17:26 #7

  • Ruffryder
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stroke that baby to 496 or 502...

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Joon, Kathy, Jaden & Tristan
93 3058
92 2855
91 Fourwinns 205
Longbranch WA
Life is Good

Engine swap 15 Sep 2017 19:13 #8

  • megamark
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What about a LSX (LS 427 Supercharged) 750 HP 725 ft.-lbs. torque, small, light weight all aluminum and great on fuel, crate motor direct from GM $19,999. Like to see someone using a marine LS in front of a Mercruiser, would just require a coupler from Volvo Penta to attach to that LS crank. Maybe Merc. will offer it in the future?

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1994 Capri 1950 CL
5.0 Litre Vortec Mercruiser Alpha Gen2
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