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I'm looking to re-power 1998 502MPI to New 8.2L HO in a 40
I'm looking to re-power 1998 502MPI to New 8.2L HO in a 40 ft. Formula.. any comments would be helpful.. … read more
Jason
Jason
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Vocational, Technical or Trade School
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Ok mer 502 8.2 turns over and fires then dies when it turn
ok mer 502 8.2 turns over and fires then dies when it turn on to start it i cant here injectors or pump ?? … read more
Jason
Jason
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Vocational, Technical or Trade School
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I have a 2000 Bayliner 2858 with a 7.4MPI. Looking to put
I have a 2000 Bayliner 2858 with a 7.4MPI. Looking to put a new 8.2L in. Have heard that the 8.2L is taller. Will it fit in my 2858?… read more
Tan
Tan
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Three questions concerning the Mercruiser 8.2 MPI engine: 1.
Three questions concerning the Mercruiser 8.2 MPI engine: 1. What years were the engines available? 2. What is, or was, the average engine life in hours. 3. Would they run 1800 hours? Appreciate the e… read more
Ted G.
Ted G.
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I just purchased a 1971 Bertram 31 Bahia Mar w/ twin Mercruiser
I just purchased a 1971 Bertram 31 Bahia Mar w/ twin Mercruiser 215hp motors. They seem tired or not enough hp for the boat. What would you reccommend? rebuild? repower? $15k would be my max. less is … read more
Jeff G.
Jeff G.
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Vocational, Technical or Trade Scho
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im looking to repower i have 7.4 mpi with only 220 hrs engine
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Jeremy R.
Jeremy R.
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i have 22 foot lime stone and want 300 HP , i am considering
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Tan
Tan
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My boat has twin Mercruiser engines that were new in 2000 and
My boat has twin Mercruiser engines that were new in 2000 and are pre-Smartcraft. Each engine is listed as 8.2L MPI HO. I recently upgraded the helm with two Garmin 5208 touch display screens which su… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
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I am working on my Mercruiser 140 HP, with has been repowered
I am working on my Mercruiser 140 HP, with has been repowered with a new 2010 GM 3.0 Litre. I seen on the web that a few is pushing the HP to around 170 on these engines. Any way it may be performance… read more
Tan
Tan
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I have a wonerful Starcraft I am restoring. It has a 1967
I have a wonerful Starcraft I am restoring. It has a 1967 mercruiser pre-alph strendrive. The engine is good, but I'd like to replace and upgrade the outdrive. What are my options? I need help. Craig… read more
Whitecap36
Whitecap36
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I have a Formula 382 FASTtech with 2 - Mercruiser 500 HP EFIs.
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capt ron 1959
capt ron 1959
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I have a 2001 Chaparral 265 ssi with a 6.2l MX MPI and a Bravo
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capt ron 1959
capt ron 1959
Owner/Marine Mechanic
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222mk, i would like to get the exact specs to build a mercruiser 454
i would like to get the exact specs to build a mercruiser 454 that will power my 1988 chris craft 2670 , wieghting in at 6400 pounds , what would the 454 mag motor produce? and what would you recomend… read more
Master Tech
Master Tech
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Hello, I have a 1990 gen IV 502 with a marine intake gm p/n
Hello, I have a 1990 gen IV 502 with a marine intake gm p/n(NNN) NNN-NNNNhigh perf heads(NNN) NNN-NNNN I am in need of a intake gasket and cannot find them rectangle port 2" tall 1.75 wide. thank you,… read more
Kenny
Kenny
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I have an 89 Donzi Regazza that is starting to leak oil and
I have an '89 Donzi Regazza that is starting to leak oil and has serious spark knock at high acceleration. Use to run 50MPH top end now tops is maybe 44. Should I: A. Buy a crate engine. B. Replace ne… read more
John White
John White
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I just removed the engin and outdrive on my 1995 Seaswril 235. I
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Jeremy R.
Jeremy R.
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Hi Sorry to bother you. I have a Bayliner 2858 (flybridge)
Hi Sorry to bother you. I have a Bayliner 2858 (flybridge) and have just been told I will need a new or reconditioned engine. It is a 7.4 litre engine and have been told they dont make these anymore s… read more
capt ron 1959
capt ron 1959
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Vocational, Technical or Trade Scho
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Considering purchasing a 1987 Sea Raider boat with a 350 Chevy
Considering purchasing a 1987 Sea Raider boat with a 350 Chevy v-8 engine and OMC Cobra outdrive. Not sure if out drive is in working condition or needs repir or replacement. Was told that the "87 Omc… read more
Larry B.
Larry B.
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Meet the Experts:

Ted G.

Ted G.

Rigger, Diagnostician

2,678 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

22,879 satisfied customers

Degree in Marine Technology. Gas and diesel marine mechanic.

Tan

Tan

MerCruiser Certified Technician

11,409 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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