Boating Talk: Merc 40 3 cylinder. - SaltyCajun.com

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Merc 40 3 cylinder.

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#1

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01-31-2013, 10:29 PM

Shallow Runner Shallow Runner is offline

Shallow Runner is offline

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Merc 40 3 cylinder.

I know some of you guys have them. Anybody have one hopped up? If so what speeds are you getting, what boat and what prop are you running?

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#2

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02-01-2013, 09:58 AM

dedwards04 dedwards04 is offline

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I had one ported with shaved fly wheel and intake, 60 carbs, and modified tuner. Plugged the top 3 water intakes on the lower unit to run the motor really high. It ran 60mph on a 15/48 weldbuilt. A 20 pitch chopper prop ran the best on it.
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#3

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02-01-2013, 10:38 PM

Shallow Runner Shallow Runner is offline

Shallow Runner is offline

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Thanks for the reply buddy.

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