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  1. S

    Volvo Penta B Duoprop pitch selection

    "Need 800 more RPM. I am runn "Need 800 more RPM. I am running low. I have 5.7L, 300hp,DP-A drive, 23ft, 5000 lbs. B-5 duoprop. I am running 4000RPM WOT. Max speed 41. Top RPM should be 4800-5000 I am running a B5 set. Should I switch to a B3 or B4 duoprop? How much RPM is gained by...
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    Loud annoying noisepulley ares

    HELP! 5.7L developed a loud al HELP! 5.7L developed a loud almost like metal rubbing from the pulley areas. Not belt noise. Not constant-bjut almost so. not impeller! Sounds like a vegamatic. Thanks
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    Starter Noise Cause

    "My new 5.7L motor (new st "My new 5.7L motor (new starter) has a loud screeching noise that most likely appears at about 20-30 seconds after starting. brief & anoying.(appears to come from starter area) Not everytime, if engine is hot, it may or may not occur. Most often-when engine cold...
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    Starter Noise

    "My new motor 5.7L (350&#4 "My new motor 5.7L (350) has a loud screeching noise from the starter area which appears . sometime about 20-30 secs after starting. It lasts for 3-5 secs. and disppears and sometimes reappears. The starter and motor are new. Also, once the engine almost stopped...
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    Timing question

    Had bad experience with 5.7L i Had bad experience with 5.7L installation. Replaced Volvo with Indmar. I am worried the timing. No marine dealer nearby. The timing guage under the flywheel has the notch set near 50-60. The manual says it should be set at 10. Am I looking at the wrong guage...
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    Timing questionIndmar 57L

    I replaced a volvo penta engin I replaced a volvo penta engine witha Indmar 5.7L engine. Nightmare experience with installer. Enough said. No other marine dealers nearby. My problem is I am worried about timing. The installer said it was timed. I look at the TDC number under the flywheel and...
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    Proper Wiring of Fuel Sending Unit

    "My son looked in my tank but "My son looked in my tank but put sender on properly but wiring is wrong? It is circular and has 2 green wires, 1 red and 1 black ewire. The 2 green wires are mounted in the outer circle, red is attached in the middle, and the black wire is not currently...
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    New EngineLess power Carb problem or prop change necessary

    "Recently replaced my 5.0LGM 1 "Recently replaced my 5.0LGM 190hp (500A Volvo Duoprop) with a new 5.7L (300hp) Indmar Vortec engine with a holley 4bbl. carb. The result is less power, lower RPM, half the old speed, and failure to start normally afer running. Must be primed and choked every...
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    Engine replacement50L to 57L %3dless power amp speed %3d major problem Why

    I just finished replacing a 5. I just finished replacing a 5.0L(500A) Volvo with a new 5.7L Indmar engine with a 4bbl holley. My old engine was 190 hp (cracked block) and the new one is 315hp at the crank. The outdrive is a volvo DP. I expected great results but got less power and about half...
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    Volvo penta engine replacement

    I need to replace my 1994 Volv I need to replace my 1994 Volvo penta 500DP engine. I am going to use a 5.7L engine. There are many companies that sell remanufactured marine engines. Has anyone had experience with Michigan Motorz or Jasper? Any others to recommend?. I need to use an...
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    Closed system cooling benefits vs cost

    I have a 1994 volvo penta 500 I have a 1994 volvo penta 500 DP engine with a chevy 305 2bl block. My block cracked this past winter despite winterizing. Is a closed cooling system worth the investment? Are they easy to maintain since we are used to car cooling systems. Thanks
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    Replacing volvo penta 50L DP with a 57L engine block

    I tried repairing my cracked V I tried repairing my cracked Volvo Penta 5.0L engine block with JB Weld. It is holding but I don't trust the repair. I will replace the 5.0L DP with a 5.7L engine block. It will fit. I also think the linkage and drive shaft will fit including the dual prop. Does...
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