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Old 12-28-2018, 02:07 PM   #1
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Default Repower or build 5.0LX in a 1999 Maxum SCR 2400?

Hi all,

I have a 1999 Maxum SCR 2400 w/ the 5.0LX Carb motor in it. It seems quite underpowered for this boat. I have a like new merc 5.7L carbed I can build, but looking at the engine bay it seems like this would be a nightmare to do a engine swap in.

Does anyone have any advice or info on anyone that's done a swap? Ideally I would sell the 5.7 and use the funds to upgrade the 5.0LX. Im aiming to be around 300HP (220 currently)

Any ideas or suggestions?
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Old 12-28-2018, 03:24 PM   #2
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I responded to your post on BOC, 5.7 is the way to go. The rear engine mounts are the hardest part of the job since they are under the rear deck seat.
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Old 12-28-2018, 05:00 PM   #3
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+1 With Mike.
I have a 95 2400 SCR that has a 5.7 A1G2 235hp and it works well.
The Max HP for a A1G2 is 300HP as I understand.
You did not state as to what drive you have, I think Mike has a Bravo drive in his 2400 SCR and he will more than likely respond again, He is very helpful and has a lot of knowhow.
There should not be a problem putting a 5.7 in place of a 5.0.

Don
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1988 Bayliner 2455 5.0 IO (sold)
1987 Seaswerl 18ft C. Cabin 4.3 IO(lost in fire)
1976 16ft. Tahiti 2.5 IO (sold)
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Old 12-28-2018, 08:21 PM   #4
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Quote:
Originally Posted by donald View Post
+1 With Mike.
I have a 95 2400 SCR that has a 5.7 A1G2 235hp and it works well.
The Max HP for a A1G2 is 300HP as I understand.
You did not state as to what drive you have, I think Mike has a Bravo drive in his 2400 SCR and he will more than likely respond again, He is very helpful and has a lot of knowhow.
There should not be a problem putting a 5.7 in place of a 5.0.

Don
Thanks Don

From what I recall the OP has a A1G2 drive and yes I have a Bravo 2. As you said his drive is rated to 300 HP
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Old 12-29-2018, 01:40 AM   #5
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Mike
I thought that you had a Bravo drive but did not remember if it was a 2 or 3.
Don
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1995 Maxum 2400 SCR 5.7 A1 G2 LUNA DE MIEL
1988 Bayliner 2455 5.0 IO (sold)
1987 Seaswerl 18ft C. Cabin 4.3 IO(lost in fire)
1976 16ft. Tahiti 2.5 IO (sold)
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