My question is, what kind of hp increases can i expect to see. Mercruiser exhaust bellows quicksilver 3244348001 please confirm fitment of mercruiser parts with your serial numberphotos and descriptions provided via mercury may not always be accurateall of. Jun 01, 20 454 mercruiser magnum start up duration. All new bolt on parts as well 850 qft marine carbs, one wire ignitions glm circulating pumps sea pumps, belts hoses, oil lines and coolers,new starters, alternators, brackets powder coated, they have 14 hrs on them. Pair of mercury racing hp500 502 blue motors drop in all.
Unfollow mercruiser 454 to stop getting updates on your ebay feed. Find mercruiser 454 in canada visit kijiji classifieds to buy, sell, or trade almost anything. Mercruiser 454 magnum mpi vs mercruiser l29 454 marine. Want to squeeze more power outta my 454 boat design net. Buy a genuine mercury quicksilver or aftermarket part. Mercury mercruiser recommends leaving the drain system open while transporting the boat or while performing other maintenance to ensure that all water is drained. The engine breathed through a fourbarrel carburetor, and ignition was provided by a delco electric unit.
It reads full up when i apply steering to one side, and full down when i steer to the other side. I was having a discussion or debate with a friend of mine regarding the marine 454 big block engines e. Hardin marine just introduced the mercruiser 454 502 efi systems application to its line of high performance flow command adjustable fuel flow modifiers. She is also equipped with twin mercruiser engines that have 1,089 hours. Our new engine sales department will make sure your order is exact and that you get the engines that is right for you. A few years ago you listed an intake, cam and head combination for upgrading a stock mercruiser 454, 330horsepower engine mine is a 1987 model that was good for up to 425 to 450 horsepower, if i remember correctly. Jul 26, 2011 i have a 1990 sea ray express cruiser with twin inboard mercruiser 454 7. All parts were not included in the purchase as described. The 454502 magnum flat lifter camshaft has 224224 duration. Pair of 502 hp 500 blue motors fully rebuilt and installed in my own boat. Mercruiser 454 with bravo 1 trim sensor the outdrive trim gauge is faulty.
No superchargers i think who has the proven combination. The flow command allows modification of the fuel flow rate to properly tune the air flow ratio. Replacing or repowering your mercruiser 454 or 502 marine. This prop selector will help you calculate the right prop for your boat type and how you use it. We are focused on providing quality parts, superior customer service, fast delivery and low prices. This tuning part will take your mercruiser 454 mpi to the highest level. Up for bid is a 1990 fountain fever 27 with twin 454 mercruiser engines and a 2005 eagle tandem trailer. Most powerincreasing mods also increase your fuel and repair bills. It starts back up but then stalls after a few minutes. The engine weighs 65 percent less and has much better resistance to corrosion. And lastly how can i increase the horsepower of my stock engine without having to add a blower or supercharger. Apr 05, 2009 mercruiser 454 rh reverse rotation engine firing order.
Mercruiser 454 magnum mpi vs mercruiser l29 454 marine engine. Mar 19, 2015 04 how to inspect and adjust float level on a carburetor. Because general motors was not a boat maker, but a motor and automobile maker, their marine engines division often sold parts to companies specializing in setting up marine engines such such as mercruiser. The billet aluminum flow command is designed specifically for stock or modified 454 502 efi systems. The tbiv system was used until the introduction of tbv midway through 1996. View online or download mercruiser sterndrive 350 mag mpi user manual. This is a very solid, nonventilated fountain hull weighing in at nearly 6,000 pounds. I know most of you will recommend doing an engine swap, but im lookin for some additional bolt on power. Manifolds free delivery possible on eligible purchases. Your mercruiser deserves magnum dynoboost boat performance chip. Mecruiser parts select engine size discounted instock. New and used items, cars, real estate, jobs, services, vacation rentals and more virtually anywhere in ontario. Do you want quicker acceleration, faster planing, and increased performance of up to 15 hp. Mercruiser 454 question engine technical discussion.
Mercruiser service manual service repair manuals collection. Db electrical adr0299 new alternator for mercruiser 4. Mercruiser engines are made for the marine market by mercury marine. This pdf service manual contains all the necessary instructions needed for any repair your mercruiser 7. We have locations in alabama, florida, georgia, louisiana, mississippi, and tennessee, and although we are required to collect sales tax on any order shipped within one of these states. Long list of maintenance upgrades that i can share on request that included a new complete battery bank and promariner pronautic p series 40amp, lowrance hds9, cutlass bearings, etc. This is the same manual technicians use to diagnose and repair your mercruiser 7. Mercruiser 454 mpi magnum dynoboost boat performance chip. Remember also that contributing members to this forum also receive access to all of the mercruiser service and repair manuals. Power tips for a 454 mpi archive checkmate community. Maximum revolutions per minute is 4,200 to 4,600 rpm. We offer some of the quickest delivery times to most of the us on ebay.
Mercruiser plus series 357 magnum bravo engine 325 hp 714. Installation drawings for dimensional reference open in separate windows. Would it be possible to basicly turn my 454 into a 454 mag by buying new parts or is the magnum a different block all together. The 454 502 magnum flat lifter camshaft has 224224 duration. We collected up to 7 ads from hundreds of classified sites for you.
Marine parts plus has been a supplier of marine parts and accessories since 2007. Please choose the type of boat below that corresponds most closely with your boat type. My uncles big boat had twin 502 bbc mercruisers and they ran at 4500 rpm while at cruising speed. This manual contains service, repair procedures, assmbling, disassembling, wiring diagrams and everything you need to know. I have a baja boss hammer with a 454 mercruiser mpi and a bravo one. Right now there are a great deal of places to shop from on the web, but you have picked our web page and we appreciate this highly. The advertisement said it only has 300 horsepower, i figure it probably has closer to 310 or 315 judging by other ads for boats with the same engine. I replaced the carb on my mercruiser 454 magnum and it. The marine 454 weighs 980 lbs and makes 330 horsepower, at its maximum rpm of 4,400. Thunderbolt v was an improvement on an already exceptionally reliable and well performing system. Recently, my starboard engine has had an intermittent stalling problem at idle.
Mercruiser 454 with bravo 1 trim sensor the mariah owners. Both oif these engine models are easy to recognize by the large bread box style intake plenum mounted directly on top of the engine. Am i approaching this at the right angle so to speak. Do you want quicker acceleration, faster planing, and increased performance of. Mercruiser sterndrive 350 mag mpi pdf user manuals. We have a 454 mercruiser magnum engine on the boat down at lake powell and it wont start. Issue appears after running then letting it sit for hour or so. Mercruiser 454 magnum mpi models the 454 mpi came in 2 different hp versions being the 330hp model which was known as the 7.
He is wanting to step it up a bit maybe around the 450hp range. In case you are looking out for maxum boat boat parts, you have indeed come to the appropriate place. The future of performance boating for your stock or modified mercury efi engine. This unique 454 mpi ecu chip will make your inboardoutboard more fun to ride and control. Marine mechanical fuel pump for mercury mercruiser 454, 7. Dont need to go crazy with it just want a little more and dont know where to start. It starts fine, runs fine, power is normal, and generally shows no problems. I replaced the carb on my mercruiser 454 magnum and it still pops in th intake manifold answered by a verified marine mechanic. Based on the same 454cubicinch big block chevy, general motors marine engine division set up the motor specifically for use in boats.
Mercruiser introduced the thunderbolt iv onto their engines in 1982, alongside the introduction of the 1r drives. V gm 454 v8 19961997 find your engine drill down to the horsepower, liters or outdrive model, serial number range and component section to get an online inventory of original and aftermarket mercruiser boat parts. They are designed to run at a higher rpm than ones in cars. We were wondering if a marine 454 like a mercruiser 454 can be swapped into a car. Mercruiser 454 engines for sale enter your email address to receive alerts when we have new listings available for mercruiser 454 engines for sale.
Click on the part number to check pricing or place an order. Alternators free delivery possible on eligible purchases. Its all the accessories that are different, intake, carb, exhaust, water pump and such. Marine parts plus mercruiser model 350 mag mpi alphabravo. This boat is located in port charlotte, florida and is in good condition. You might want to consider becoming a member simply for that access. Mercruiser 454 rh reverse rotation engine firing order. We use cookies to give you the best possible experience on our website. Buy marine mechanical fuel pump for mercury mercruiser 454, 7.
Its a 1986 mercruiser mie 340 454 with a 4bbl quadrajet. Get the best deals on mercruiser inboard exhaust systems when you shop the largest online selection at. Whether customers are shopping for a new mercruiser marine longblock engines or mercruiser marine bobtail engines we are consistently faced with the questions of whether the 7. This is a video of my rebuilt mercruiser 454 being started on the test bench. Email field should not be empty please enter a valid email address.
Our test data is based on these general boat types. The 496 magnum ho mpi v8 2012 modelcontact us for latest model information this engine is super slick. Rinda technologies marine diagnostic tools, marine diagnostics. The exhaust height is very close to the same however the width of the exhaust. Sterndrive engines 454 magnum mpi v8 mercruiser 454 mag mpi specifications 2012 modelcontact us for latest model information propshaft horsepower. Mecruiser parts select engine size 4 cylinder, 6 cylinder inline, v6, v8 small block,v8 big block,race sterndrives see instock parts same day shipping toggle navigation. Direct shipping means you get it fast and our experienced new engine center employees know most of the accessories that you may need to finish your repower or new engine installation with minimal problems. The blocks are made more precise than ever and consume less fuel, run more smoothly and they are quiet. Answered by a verified marine mechanic we use cookies to give you the best possible experience on our website. Mercruiser 454 question checkmate community boating forums. Buy new alternator compatible with mercruiser marine stern drive 454 mag mpi 5.
Diacom marine is a powerful windows based diagnostic tool that is. The manifold above is known as the center riser manifold. Mercruiser plastic carburetor flame engine top cover 7. Tvd454 magnum mpi horizon mercruisert380 hp 967 hrs generatrice, satellite, radar, gps garmin 7412xsv touch screen connection wifipartage dimage avec tablette ou telephone avec application. Quickly find the best offers for mercruiser 454 engines for sale on allclassifieds. Mercruiser exhaust manifolds for 1983 and newer big block chevy 454 330 7. Lately we have been experiencing a stalling issue with the port side engine. Mercruiser 383350hp mag bravo v4 complete 4bbl performance marine engine duration.
Marine 454 big block the long block is essentially the same. Mercruiser 454 with bravo 1 trim sensor the mariah. Our professional technicians at magnum tech staff are waiting to answer any tech concern, 7 days a week. If so, the ss super sport tuning kit for your mercruiser. Aluminum with brass insertshigh rise see note cast iron 4 bolt main bearing caps forged aluminum.
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