1958 mercury mark 58 compression test|1958 mercury mark 10 condensers : store I am working on my 1958 Merc mark 10 I picked up a few years ago. It has 115 and 115 compression, new Sierra condensers, have changed the coils for the THIRD time, they read 7.3 ohms.both of them and tested for continuity wire to wire, there not new but no change . webjinx manga. Physical therapist Kim Dan has been down on his luck for as long as he can remember. Between an ailing grandmother, menacing loansharks, and an old boss making it almost impossible for him to find .
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I am working on my 1958 Merc mark 10 I picked up a few years ago. It has 115 and 115 compression, new Sierra condensers, have changed the coils for the THIRD time, they read 7.3 ohms.both of them and tested for continuity wire to wire, there not new but no change .
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I am working on my 1958 Merc mark 10 I picked up a few years ago. It has 115 .We would like to show you a description here but the site won’t allow us. The mark 58 is 45 hp at 5200 rpm give or take but you are not getting anywhere near that. 97 psi compression suggests a tired engine not a rebuilt one. See if you can find a .
Finally got around to doing a wet compression test on the Mark 58, got 90 in all four holes, is that acceptable? Also the auto choke is not functioning with the. First, do a compression test and see if you have to. If it has 110 to 120 psi, leave her be. You need to replace the crank seals. This is done by pulling the bearing caps off; the . Compression is around 95psi on #1 and 110psi on #2-3 which seems slightly suspicious, but I'm not too concerned yet because this motor was sitting for either 7 or 12 .
Mercury Mark 58. This topic has 5 replies, 3 voices, and was last updated 8 years, 1 month ago by Pondrocket. I have rebuilt, mags, (they spark) fuel pump, carbs, starter, .
A leakdown test is a FAR better indicator of the CYLINDER'S health (cylinder, piston, and rings). Just to clarify, it gives very little information on the condition of bearings. .
I am dealing with a Mark 58E outboard and a Merk 400 powerhead. I can't believe how many differences there are between the two. Right now I am trying to figure out how to remove the .
Lately there have been real good preferences expressed about Mercs Mark 58 outboards that were some of Mercs earliest 44s as were the Mark 55A and Mark 55A(E) .The Mark 58 is the "holy grail" of classic Mercury runabout motors. It was the first year for the 44 cubic inch Super Thunderbolt powerhead and the last year for the "round top" cowling. These . Do a compression check, check for spark, check hoses, check the lower unit oil condition, etc. Once you get that far, and the motor seems to be worthy, then tackle the waterpump. . 1958 Mercury Mark 28 "Super Hurricane" Re: 1958 Mercury Mark 28 "Super Hurricane" . I just bought a 66 starcraft and it hasa 58 mercury mark 28 super hurricane .
1958 Mercury 45Hp "Mark 58" Outboard Motor powering a 1956 Tonka Craft "Madam X" Wooden "Lapstrake" Runabout. 2015 Filming on the Pamlico River in Washingto.1958 Mercury Mark 58 45 HP 29 Dec 2018 01:50 #92396. Boatboy; Topic Author; Offline; First Mate Posts: 4897 Thank you received: 1794 HawkEyes, I just turned mine over and supported it on the flange then pressed the shaft out from the bottom with my hydraulic press. You can fabricate a flange support by drilling a 1 3/4" hole in a piece of wood .
Ask him to show you the compression test, if he can,t turn it over and show you the price goes way down. . Mercury Mark 58 sale price? 10 years 2 months ago #98621. peterstransky; Offline; Expert Boarder Posts: 353 Karma: 11 Thank you received: 0 . 1958 Skagit Sportster ( / Boats) 09-25-2024. FG Login. Remember Me. Log in We are working on a 1958 Mercury Mark 78 dockbuster and when under load, it won't rev past half throttle. . We did a compression test on the 3 cylinders that aren't drilled out (don't have an adapter for the larger 3) and they all came out about 80#. Not sure if that helps diagnose our situation at all. So after some reading about my smoke issues on my flathead, I decided to run a compression test. My numbers are as follows: 1- 90 2- 90 3- 80 4- 90 5- 75 6- 80 7- 90 8- 90 I understand that 3,5,6 compression is low. For the numbers that Ive read in posts, they all seem a bit low, but in range of each other. Mercury Mark 78 Outboard 1958 on 1955 Lone Star Malibu.Goes 40 right now hope to hit just under 50 this summer with some work.
Re: 1958 mercury mark 58 thunderbolt four lower unit diagram If it's "sticky", then it's likely the needle and ball bearings are rusted up. MUST come apart to be dealt with. If you're planning on doing it yourself, I would highly recommend getting the 1965 & .
Re: 1958 mercury mark 58 thunderbolt four lower unit removal Lower unit held on by four bolts/studs. One on either side under the secondary AV plate, one centered above the prop, one hidden inside the exhaust outlet (allen head bolt). Unit should then drop.
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1958 Mercury 45 HP MK 58E. This 1958, 45 hp Mercury is made for freshwater. This outboard engine weighs approximately 131 pounds. It has 4 cylinders. The pistons have a 44 displacement. The bore width is 2.56" and the stroke length is 2.13". This . 1957-58 Mercury mark 10 impeller questions Home › Forum › Ask A Member › 1957-58 Mercury mark 10 impeller questions This topic has 14 replies, 8 voices, and was last updated 6 years, 6 months ago by labrador-guy . Hello. I noticed that this forum seems to be the best place for information exchange on the topic of my newly acquired motorboat. As the TITLE suggests, the motor is not in running condition at this time. The electrical system seems intact. I connected a new battery and turned the key (at the.
I apologize if not. I recently acquired a 1980 Bass Tracker 3 with an Old Mercury Mark 58A EL serial # 1230738. I was told beforehand that it just needed a new impeller. . First thing is run a compression test on her, Plugs removed, try each cylinder 3 separate times and average readings,cylinders should be within 10% of each other. If one cylinder is significantly (20 or more lbs) lower than the rest it has a problem. If any cylinders have no reading or are in the 5-10 lb area, they have a serious problem. You can do a wet compression test to further diagnose poor compression if you like. A wet compression test puts oil in the cylinders to seal up the piston rings. A compression test involves the use of a compression gauge, which is installed inside of the spark plug hole of each individual cylinder. As the engine is cranked over, the gauge will display the amount of compression . -Did a static compression test. This is where things start upsetting me. . Mark 6, 1956 Mark 55 & 55E, 1959 Mark 55A, 1958 Mark 58, 1960 Merc 300, 1961 Merc 500, 1961 Merc 700, 1964 Merc 1000 Bradford, Ontario, Canada . ↳ Mercury Mark Models; ↳ Mercury Merc Models; ↳ Mercury Racing Videos;
You might be able to do something of a leakdown test, though. You can rig up a starter to it out of the car to do a compression test. Just throw it in the car and see how it runs. It's not that hard to take the engine in and out in a Beetle. _____ Not enough car seats fit into my: '58 Beetle convertible '58 Beetle sedan
lifter to ease the piston over compression, and give a decisive swing on the kick starter. The later alternator and coil ignition engine proved a shade easier to start. The long-stroke, 69 x 93mm, low-compression units have bags of low speed torque: the '54 machine was happy in top gear even at an 20mph crawl when itsA compression test is simple to learn and only requires a few basic tools. From a mechanical perspective, you will need to know how to properly remove the spark plugs on the vehicle or equipment you are testing and properly disable the ignition system and fuel system, the latter if the vehicle is fuel injected. For carbureted engines, you can choose to disable the fuel supply .
Re: How to Revive a 1958 Merc Mark 78 Super Marathon? Mercury Mark & Kiekhaefer MARK 75A - 60 HP, 78, 78A - 70 HP GEAR HOUSING ASSEMBLY, COMPLETE (LEFT HAND ROTATION) Parts The impeller is NLA from Mercury, but there are some sites that still carry left-over stock. Here's one place, but gotta tell ya, it ain't cheap! WATER PUMP . impeller replacement for a mark 10 10a
Note (1): Specifications marked with H shows setting is made with engine HOT. Timing Mark: See images above Distributor Rotation: Counter-clockwise Cylinder Numbering (front to rear): Right Bank: 1-2-3-4 Left Bank: 5-6-7-8 Condenser Capacity: 0.21 to 0.25 microfarads All Specifications are per Motor's Auto Repair Manuals and/or Ford-Mercury Shop Manuals. To some, the 1958 through 1960 Lincoln Mark III, IV and V Continentals are under-appreciated middle children, straddling the line between the understated, classic 1956-’57 Continental Mark II and the Camelot-chic 1961 Continental; others consider them the redheaded stepchildren of the 1950s Lincoln line. Whatever your thoughts, there’s no escaping these .
Hello all, I have a new-to-me 2004 25 hp 2 stroke Mercury engine that seems to start and run well. During a cold engine compression test, the cylinders both hit exactly the same at 100lbs. Overall 1955 Mercury sales were 329,808, a 27% increase versus 1954, which seems like an impressive gain. However, the overall U.S. car market was booming in 1955, with total sales up 47%, so Mercury actually underperformed the market. The competition was more fierce than ever, and a plethora of new products from General Motors and Chrysler . The magneto is turning I assume.-----About halfway on the magneto assemly you will find some screws.----You can split the distributor / magneto and remove it for inspection.-----Most likely the points need to be cleaned and set at 0.010".-----And there is no need to worry about the timing by removing the bottom half of the mageto as it can only go on one way.
I have a 1958 Mercury Mark 58 with two issues. First, I am having a hard time getting it to idle below about 1200 rpm. I have tried adjusting the low speed jets (from 3/4 turn all the way out to 1 3/4 turns), but that has not solved the problem. Is this possibly a timing issue? The motor runs well at almost any speed off idle.
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1958 mercury mark 58 compression test|1958 mercury mark 10 condensers