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Post by bobrob on Jul 12, 2020 18:39:49 GMT -5
Anyone ever Re power with a bigger engine ?
Have 2665 with a 5.7 Magnum
Thinking of re powering with a 6.2 Merc
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Post by lg260ss on Jul 12, 2020 19:55:17 GMT -5
You won’t see much if any improvement going from a 5.7 to a 6.2. Going to an 8.2l would yield much better results.
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Post by PuraVida on Jul 12, 2020 20:12:26 GMT -5
You won’t see much if any improvement going from a 5.7 to a 6.2. Going to an 8.2l would yield much better results. If the 6.2 is the Gen V LS engine then I think there would be a very noticeable improvement. |
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Post by lg260ss on Jul 13, 2020 7:37:11 GMT -5
You won’t see much if any improvement going from a 5.7 to a 6.2. Going to an 8.2l would yield much better results. If the 6.2 is the Gen V LS engine then I think there would be a very noticeable improvement. It’s a Merc so no it wouldn’t be. Merc is no longer using GM engines. Volvo Penta is using the Gen V engines. |
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Post by gofast24 on Jul 17, 2020 10:36:10 GMT -5
Saw Merc is manufacturing their own small/big block V-8's? No longer procuring long block's from GM? A 8.2 or even a 8.1 would be very big improvement as long as the outdrive is capable of the additional HP (torque)?
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Post by 3060blue on Jul 20, 2020 12:40:17 GMT -5
I am no expert but I would imagine it would be a lot more than a block swap, probably new controls (digital throttles), NMEA 2000, a host of other technology updates surrounding the engine and/or outdrive swap. Not that it's impossible, just very costly to implement.
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Post by jhogan51 on Aug 3, 2020 13:38:27 GMT -5
You can swap it for a Repower Merc 383 Stroker. Probably pick up around 50HP or so depending on the rated HP of your current engine. Same footprint.
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Post by gofast24 on Aug 4, 2020 10:46:41 GMT -5
Sell the 2665 and purchase a 2800+ with the VP or MERC 8.1's. Think yu can get a 28'+ with higher output engine for about the same cost of replacing your current 5.7! Find one a year or two older , always on fresh water, and maybe less engine hours that you have on yours now? And, usual question, where are you located/docked, fresh or salt water, what year is your vessel, how many hours on engine, etc??
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