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I have 1997 crusader 454 ego engines. Port engine runs fine
I have 1997 crusader 454 ego engines. Port engine runs fine for short period of time and then looses rpm. Have replace distributor and coil. Ran boat at 2000 rpm for about 30 minutes and same thing ha… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
18,955 satisfied customers
Please help. I am having a motor heat issue on our boat. We
Please help. I am having a motor heat issue on our boat. We have QSB 5.9 370's. In May, we took our boat out, starboard engine was 200 degrees, port 175. We contacted a service company, they came out … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
18,955 satisfied customers
Can I use a transmission that is paired with a 350, 454
Can I use a transmission that is paired with a 350, for a 454 motor? The transmission is : ZF Hurth 450-A2, 2.03:1 ratio. I'm about to purchase a boat from a guy who says he put the 454 in the boat fo… read more
Jason
Jason
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Vocational, Technical or Trade School
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I have twin mercury verado 225s. My smartcraft system
Hi. I have twin mercury verado 225s. My smartcraft system shows port engine at 149 degrees and starboard at 95 degrees and pressure at 11.7 psi for port and 6.4 psi for starboard. Engines both seem to… read more
Charles
Charles
Certified Mercury Tech
5,522 satisfied customers
, my name is ***** ***** I have a question about a 1977 Trojan
Hello, my name is ***** ***** I have a question about a 1977 Trojan F- 36. I have been around boats for 35 years. And have done extensive repairs on boats. I have been looking for a cruiser of this ty… read more
Tan
Tan
MerCruiser Certified Technician
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11,406 satisfied customers
I have just sea trialed new 300 four stroke yamahas two station
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Charles
Charles
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I have a 1996 Carver 355 aft cabin with twin 454 crusader XL
I have a 1996 Carver 355 aft cabin with twin 454 crusader XL engines. My starboard engine runs fine after runing it for about an hour. When I sart it back up the engine won't run over 2500 RPM's and p… read more
briggs archer
briggs archer
master marine mechanic
Associate Degree
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I have a Grady White 330 Express. The props are correct and
I have a Grady White 330 Express. The props are correct and everything seems to run fine. I am only able to go 18 Knots at 4800 rpms. Everything I've read says I should be able to get 23-25 knots at t… read more
marinedoc
marinedoc
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Vocational, Technical or Trade Scho
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2001 Silverton 352 MY 2001- 2 x Crusader 454 MPI 350HP Problem-
2001 Silverton 352 MY 2001- 2 x Crusader 454 MPI 350HP Problem- Last two seasons, engines are losing rpms while under load and performance. My motors will not get over 3100 RPMs or 10 Knots. I use to … read more
Jason
Jason
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Vocational, Technical or Trade School
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I have twin crusader 1997 454 xli engines with borg v drives.
I have twin crusader 1997 454 xli engines with borg v drives. On a recent trip 2 hrs into our 3hr trip the port side engine RPMs dropped to 3000 normally cruise at 3400. Port engine no longer goes abo… read more
Ted G.
Ted G.
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Vocational, Technical or Trade Scho
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I have a 2004 formula 382 Fastech w twin 496 HOs. The boat
I have a 2004 formula 382 Fastech w twin 496 HOs. The boat sat for some time and went out for the first time in a year last week,. The boat ran good about 60-61 at 5000rpms. After 15 minutes it shut d… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
hi there, 1997 38 carver sant. runs hot like 210 degrees and
hi there, 1997 38 carver sant. runs hot like 210 degrees and every part has been changed.454s 650 hours and i am afraid to go far because it will overheat.… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
I have a 1998 Searay 290DA Sundancer with twin - 5.0 EFI Mercruisers
I have a 1998 Searay 290DA Sundancer with twin - 5.0 EFI Mercruisers and Alpha one drives The boat has 310 hours on it and had been used very little before I purchased it in 2008 For the past several … read more
Ted G.
Ted G.
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Vocational, Technical or Trade Scho
1,074 satisfied customers
We departed the Freeport jetty and cruised at 4000 RPM and
We departed the Freeport jetty and cruised at 4000 RPM and 24 knots for over an hour and a half. We fished for about 15 minutes without shutting the engines down and then headed to another area about … read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
We just purchased a boat powered by 454 big block chevy engines.
We just purchased a boat powered by 454 big block chevy engines. At idle it appears to run and sound fine. Under load the exhaust emits a steam appearing cloud that doesn't disappear after the engines… read more
Tan
Tan
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Certified Marine Technician
11,406 satisfied customers
Engine Brand CrusaderEngine(s) HP 350Engine Model 454s
Engine Brand: Crusader Engine(s) HP: 350 Engine Model: 454's Haterass36 ft want to take vessel from lake to saltwater sportfishing and change these engines to Cat3208 V8 What are the issues to be awar… read more
Captain Dave
Captain Dave
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Master's Degree
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I have a 2002 Sabreline 36 Flybridge Cruiser with twin Yanmar
I have a 2002 Sabreline 36 Flybridge Cruiser with twin Yanmar 370 engines. During a recent cruise, I noted that a lot of gray smoke was collecting a couple hundred feet behind the boat while traveling… read more
Diesel Boat Doc
Diesel Boat Doc
High School or GED
120 satisfied customers
I have a 1996 silverton motor yacht with 454 crusaders (gas)
I have a 1996 silverton motor yacht with 454 crusaders (gas) after about a half hour the starboard engine goes into limp mode and won't run above 2,000 RPM .… read more
capt ron 1959
capt ron 1959
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Vocational, Technical or Trade Scho
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Meet the Experts:

Ted G.

Ted G.

Rigger, Diagnostician

1,074 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

18,955 satisfied customers

Degree in Marine Technology. Gas and diesel marine mechanic.

Tan

Tan

MerCruiser Certified Technician

11,406 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

3,847 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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