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Kallen928009 replied to the thread 4.3 efi tbi throttle question.

Yea prop and hub is the only new thing same diameter/pitch brand model and did have the local prop shop check pitch old and new to...

Apr 9, 2025
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Kallen928009 replied to the thread 4.3 efi tbi throttle question.

Put boat on a scale with trailer and empty trailer on scale it came out to 3120 factory specs say 2850 for boat weight and I did have...

Apr 8, 2025
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Kallen928009 replied to the thread 4.3 efi tbi throttle question.

My next thought was I’m not sure how the drive coupler exactly works if it’s kind of like a hub in a prop or what but could that be...

Apr 7, 2025
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Kallen928009 replied to the thread 4.3 efi tbi throttle question.

Prop does have a Flo-torque hub brand new that was my first thought as well pulled prop and checked no signs of hub spun

Apr 7, 2025
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Kallen928009 replied to the thread 4.3 efi tbi throttle question.

Speedo is gps reading SOG And doesn’t seem like a cavitation/blowout on the prop

Apr 7, 2025
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Kallen928009 replied to the thread 4.3 efi tbi throttle question.

Compression test 1-152 2-148 3-151 4-153 5-143 6-147 Fuel pressure 31psi at 2500 rpm Fuel filter/water separator all fuel no water

Apr 7, 2025
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Kallen928009 posted the thread 4.3 efi tbi throttle question in Mercury MerCruiser Sterndrives & Engines.

I have a 79 Grady white 212 “21.5’ cuddy” last year boat would jump out of the water 2200 I was out of the water on plane doing about...

Apr 6, 2025

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