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I have a1999 290 sea ray sundancer. What is max props that
I have a1999 290 sea ray sundancer . What is max props that can be installed. Won't plane out...max rpm 4400-4800. Only at 4000 full throttle. Suggest prop size and pitch. Thanks. Jim… read more
Jason
Jason
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Vocational, Technical or Trade School
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I am thinking of changing my prop to a high five 13.5" with
I am thinking of changing my prop to a high five 13.5" with 17P from the factory 3 blade 14.5" 19P I have a mercruiser 3.0LX with an alpha one and top RPM is about 4200 at full throttle I am trying to… read more
Tan
Tan
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Certified Marine Technician
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I have a 31 ft boat in Brazil. Comfortable but weighs 5200
I have a 31 ft boat in Brazil. Comfortable but weighs 5200 lbs. It has a VP 5.7 Gxi with f2 duo props. Can't get over 4800 rpm for a speed of 34 mph max. Guess that's to be expected for this package o… read more
K. Kergan
K. Kergan
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bayliner ciera: james i ve install a 454 mpi in my 2855 bayliner
james i 've install a 454 mpi in my 2855 bayliner ,the prop i am running is a 18 inch 4 blade aluminum ,at 26 mph the motor revs at 4000 rpm ,is that a little high, and do you have a sugestion to what… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
Hey I have a 2001 Signeture series Sea Ray 19ft with a Inboard
Hey I have a 2001 Signeture series Sea Ray 19ft with a Inboard 5.0L merc engine and a Merc alfa one leg. My prop on right now is a 3 blade stainless steel Mercury mairne Vengance 48-16316 19P. I bough… read more
James
James
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Vocational, Technical or Trade Scho
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I just took a 2003 Larson 330 Cab for a sea trial, it has twin
I just took a 2003 Larson 330 Cab for a sea trial, it has twin carb 5.7 Mercs rated at 250 hp per. It had full fuel (220 gal) and some gear and water, 3 men (total 600 lbs) It would plane off very qui… read more
Tan
Tan
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I have a 2006 Mercruiser 4.3L engine Serila number OW614329
I have a 2006 Mercruiser 4.3L engine Serila number OW614329 with a Alpha 1 outdrive. I'm trying to select a new Stainless Steel prop and need to determine the gear ratio - whether it is 1.62 to 1.81 s… read more
James
James
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Vocational, Technical or Trade Scho
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I have a 1998 232 captivia with a 7.4 engine. With the boat
I have a 1998 232 captivia with a 7.4 engine. With the boat empty of gear & just myself in the boat I can only get 46-48 mph., what type or size prop should I have on it and can I expect more out of i… read more
James
James
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Vocational, Technical or Trade Scho
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I have a 21 foot 2005 searay ski boat with a 5.0 ltr 2 barrel
I have a 21 foot 2005 searay ski boat with a 5.0 ltr 2 barrel carb. The boat is sluggish and I am looking for ways to make it have a better hole shot and perform better all around. I have been warned … read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
mercruiser 3.0 l I have a bayliner 3270 wqith new mercruisers
I have a bayliner 3270 wqith new mercruisers 3.0L 4 cylinder with ZF 45A 2.0:1 transmissions, What would be the most efficient and with the best power output, that is the prop size and the pitch… read more
Captain Dave
Captain Dave
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Master's Degree
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I have a 1996 20 Bayliner w/ a 5.7 liter Mercruiser Alpha
I have a 1996 20' Bayliner w/ a 5.7 liter Mercruiser Alpha One outdrive and a 17" prop at Lake Tahoe (6200' elevation)......What should my WOT RPM be?… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
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have a 1997 mariah 216 talari 21 cuddy, with 5.7 alpha 1 mercruiser it
have a 1997 mariah 216 talari 21' cuddy, with 5.7 alpha 1 mercruiser it has 14.5 x 18 four blade prop. boat planes reasonably but over revs wot 5600-5700 not sure what prop to go to… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
What is the correct gear ratio for the outdrive on a MCM 5.7Lv8
What is the correct gear ratio for the outdrive on a MCM 5.7Lv8 the boat is a Rinker, Engine serial # XXXXX Trans serial # XXXXX there is a 1.84:1 on at the moment but we think it has been changed, an… read more
capt ron 1959
capt ron 1959
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i have a mercruiser alpha one engine in a 1977 carver 26 ft
i have a mercruiser alpha one engine in a 1977 carver 26 ft cruiser. The engine has athunderbolt ignition and 260 hp. What size prop should i use… read more
Jason
Jason
Associate Degree
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I have a 16 Galaxy bowrider (1980) with a 3.0L mercruiser
I have a 16' Galaxy bowrider (1980) with a 3.0L mercruiser 120hp I/O, Mercruiser outdrive (not the bravo or alpha). Recently changed props after the 14"x19pitch would only get me to 28 or 29 mph at 51… read more
Andy
Andy
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Hello i have a 97 2100 Maxum with a 5.7 alpha 1 drive 220 hp
Hello i have a 97 2100 Maxum with a 5.7 alpha 1 drive 220 hp with a 1.47 gear ratio and i have a 17 pitch ballistic cupped and cropped prop made by attwood. the boat does 52 mph at 5000 rpm. Great pul… read more
capt ron 1959
capt ron 1959
Owner/Marine Mechanic
Vocational, Technical or Trade Scho
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I see ther are diffrent ingnition moduels for the mericruser
I see ther are diffrent ingnition moduels for the mericruser 260 with diffrent degrees of advance why is this and how do I deterim if I have the right one? the boat is a sea ray, with the mericrusier … read more
Marc C. Albertson
Marc C. Albertson
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Vocational, Technical or Trade Scho
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please suggest prop size for 26ft, twin engine 260 hp and ...
please suggest prop size for 26ft, twin engine 260 hp and 260 mercruiser i/o. dry wght.6050lbs, 125 gal fuel 4800 max rpm alpha 1 lower drives… read more
Ted G.
Ted G.
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Vocational, Technical or Trade Scho
1,488 satisfied customers
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Meet the Experts:

Ted G.

Ted G.

Rigger, Diagnostician

1,488 satisfied customers

40 years boating, Safe boating instruct., Offshore Race promoter, Failure Analysis, Expert Witness

Dominick

Dominick

Marine Mechanic

1,009 satisfied customers

25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified

John White

John White

Marine Mechanic

306 satisfied customers

11 years experience working on outboards, inboards, sterndrives & pwcs

Jason

Jason

Marine Mechanic

19,618 satisfied customers

Degree in Marine Technology. Gas and diesel marine mechanic.

Tan

Tan

MerCruiser Certified Technician

11,505 satisfied customers

40 yrs. experience with complete engine repairs both inboard/outboard and MerCruiser Certified Technician.

Jeff G.

Jeff G.

Marine Mechanic

4,730 satisfied customers

42 years experience, Certified Master Technician, All Major Outboards, Sterndrives, Hi-Performance

Captain Dave

Captain Dave

Marine Mechanic

2,672 satisfied customers

USCG Licensed Captain, 20+ Years Boating, Fishing, Maintenance and Repair Experience

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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