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Fuel efficiency/speed on Cummins 250B

ImageHave a question or issue that is model specific? The is the forum to discuss general information regarding all Pursuit Boats.

Topic author
Sharkguy05
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Posts: 22
Joined: Mon Jul 27, 2020 5:37 pm
Vessel Info: 1999 3000 express
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Fuel efficiency/speed on Cummins 250B

Postby Sharkguy05 » Thu Jun 09, 2022 9:49 am

prop shop said they turned them to 19-22.5 in 2020 4 blades


Topic author
Sharkguy05
Junior Member
Posts: 22
Joined: Mon Jul 27, 2020 5:37 pm
Vessel Info: 1999 3000 express
Has thanked: 1 time

Fuel efficiency/speed on Cummins 250B

Postby Sharkguy05 » Thu Jun 09, 2022 9:53 am

prop shop called 19-22.5 4 blade done in sept 2020

Topic author
Sharkguy05
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Posts: 22
Joined: Mon Jul 27, 2020 5:37 pm
Vessel Info: 1999 3000 express
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Fuel efficiency/speed on Cummins 250B

Postby Sharkguy05 » Thu Jun 09, 2022 9:54 am

19-22.5 4 blade done in sept 2020, so we shall see what the weekend holds for actual rpms.

MarkT
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Home Port: Mattituck, Long Island
Vessel Info: 1999 Pursuit 3000 Express, twin Cummins 4-BTAs
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Fuel efficiency/speed on Cummins 250B

Postby MarkT » Thu Jun 09, 2022 11:16 am

I believe mine are 19 x 22, with a heavy cup. They are 4 blade. Was your boat born as a diesel or was in converted?

Topic author
Sharkguy05
Junior Member
Posts: 22
Joined: Mon Jul 27, 2020 5:37 pm
Vessel Info: 1999 3000 express
Has thanked: 1 time

Fuel efficiency/speed on Cummins 250B

Postby Sharkguy05 » Fri Jun 10, 2022 3:17 pm

tachs are def off by 100rpms and reading high, re-adjusted my electronic gauges and set my idles properly. Going this weekend to see what i run at now with proper numbers. Current prop is 4 blade 19-22.5 so we shall see.

Topic author
Sharkguy05
Junior Member
Posts: 22
Joined: Mon Jul 27, 2020 5:37 pm
Vessel Info: 1999 3000 express
Has thanked: 1 time

Fuel efficiency/speed on Cummins 250B

Postby Sharkguy05 » Fri Jun 10, 2022 5:11 pm

MarkT wrote:Source of the post I believe mine are 19 x 22, with a heavy cup. They are 4 blade. Was your boat born as a diesel or was in converted?

it was born a diesel, from the factory they came with a 19x23 i'm keep a new log now that everything is set right. Might be good might need to drop another inch we shall see.

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