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  1. greg82255

    What Kind of Spark Plugs to use??

    Hello, I have a '82 Merc 898, and have been through several types of spark plugs. When I first got the boat, it had Champion Model # RV8C installed. I went to Pep boys and they looked up the 898 in their manuals and they gave me Champion Model RV15YC4, said that rv8c was a colder plug and...
  2. greg82255

    Screaching Sound when I Start the Engine

    Hello, I have a '82 Merc 898 (305 ci). Have had several problems (as my previous posts would suggest) and here is the latest. I was on the water today and I turned off the engine so one of my friends get back in the boat, and I go to start it up again, and I hear a "screachhh" sound when the...
  3. greg82255

    Upgraded Engine, No More Power than Before...

    Hello, I have made several posts about this engine, my '82 Merc 898 (305). Over the winter I put on an Edelbrock Performer intake and switched from a Rochester 2 barrel to a Holley 4160 (600 CFM) 4 barrel carb. I also switched from log manifolds to center-rise exhaust. I was told by several...
  4. greg82255

    Holley Carb Electric Choke

    I recently posted an article about the carb secondaries on my holley 4 barrel and I was reading a manual that was posted on the thread, and came across this: WARNING: Connecting the choke to the ignition coil will result in unacceptable choke operation, poor fuel economy, and possible engine...
  5. greg82255

    Holley 4 Barrel, Carb Secondaries Not Opening

    Hello, I did a 2 to 4 barrel swap over the winter and I just took my boat out to the lake today. I wasn't getting any more performance out of the motor so I took off the flame arrestor and took a look at the carb. I had my dad move the throttle back and forth while I looked, and I noticed that...
  6. greg82255

    Help Please.. Mercruiser 305 Problems..

    Hello again, So I just put my boat in the water for the first time this year. Its a 1982 Mercruiser 898 (305) with an Edelbrock intake and Holley 4 barrel that I added in the off season. I was cruising around at 40 or so for about 20 minutes and all of a sudden I hit a wave and the engine shut...
  7. greg82255

    New Trim Pump

    Hello I was just given this trim pump and am wondering if it can fit into my 1982 mercruiser 898. http://www.boatbandit.com/mercruiser-trim-pump-5479.aspx I know that my current pump has a reverse lock valve that somehow needs to be disconnected. Does anyone know how to connect this pump to...
  8. greg82255

    New Trim Pump

    Hello, I have a Mercruiser 898 that was equipped with a Prestolite trim pump, which has broken on me for the fourth time, second this year. I am looking to upgrade to a newer style pump. My question is, what kind of pump will fit and how would I go about adapting hoses to it? If somebody knows...
  9. greg82255

    2 Part vs. 1 Part Polyurethane Paint?

    Hello, I am planning on painting my boat in a few weeks, and I am looking around for different types of paint. I am looking at the interlux paints and I see 2 different types: 2-part polyurethane for $50/quart, and 1 part polyurethane for $25/quart. Here are links to the two types...
  10. greg82255

    What type of paint should I use?

    Hello, I have a 1982 Checkmate that I am looking to re-paint because it is terribly faded. I am going to follow all of the necessary procedures to properly paint, such as cleaning, sanding, priming, etc. My question is this: once I finish the basic painting (primer and topcoat), I intend to...
  11. greg82255

    Holley Electric Choke

    Hello, I just installed a holley 600 cfm carburetor (Model 4160) with electric choke on my 305. The engine runs fine on the trailer, but I am not sure that I wired the electric choke right. How can I tell if it is done correctly? It does not appear to move when I start the engine, or when it...
  12. greg82255

    Replace Mercruiser Prestolite Trim Pump

    Hello, I have a 1982 Mercruiser 898 that was equipped with a Prestolite trim pump. These trim pumps are a terrible design and this one has broken on me for the third time. I'm sick of continuing to replace these pumps. Is there a newer style pump that will fit into the system I have? If not...
  13. greg82255

    New Thermostat Housing needed??

    Hello So I just changed my chevy 305 from log manifolds to center-risers. The engine is a mercruiser 898, and the current thermostat housing has 6 water outlets, because there were 6 water inlets in the log manifolds and risers. The new center risers only have 4 inlets. Can I just cap off 2 of...
  14. greg82255

    Temperature sending unit not working?

    Hello So I just finished doing a 2 to 4 barrel swap on my chevy 305. I fired it up, everything runs great, but I noticed that the temperature gauge was not reading anything. I tried cleaning and tightening the connection on the sending unit while it was running, and still no reading. I then...
  15. greg82255

    Prestolite Trim Pump goes down not up

    Hello I got a used prestolite trim pump for my checkmate last season and it didnt work at first, but eventually did after I took the motor apart and cleaned the area near the brushes, then it worked fine for the whole summer. Just took out the boat and tried to trim up so I could transport it...
  16. greg82255

    Do I need a new drive?

    Hello, I just finished upgrading my Mercruiser 898 from a 2bbl to a 4bbl and upgraded the exhaust as well. The engine now puts out about 230 hp (up from 198) and I was wondering if I will need a new drive to accommodate this boost in power. The drive on there now is a type I, pre-1983, with a...
  17. greg82255

    Stainless Steel vs. Aluminum Propeller

    Hello, So I have a 19' checkmate with a Mercruiser 305 engine with 198 HP. I am about to finish some modifications to the engine that, according to manuals I have read and dealers I have talked to, will put it at about 230-240 horsepower, and I am looking to change the propeller from aluminum...
  18. greg82255

    Do I need a new fuel pump?

    Hello, I have a 1982 checkmate with a chevy 305 in it and just got a 600 cfm holley four barrel carburetor and an edelbrock aluminum intake to install on the engine. I am wondering if the stock fuel pump will work with these upgrades, or if I will need a more powerful one in order to get...
  19. greg82255

    Painting Mercruiser Exhaust Manifolds

    Hello, I just acquired a pair of Mercruiser center-riser exhaust manifolds that are fresh water cooled. I stripped them to bare metal and then painted them with rustoleum 2000 degree high heat paint. I am looking to add a clear coat and I cannot find any high heat clear coat at autozone or any...
  20. greg82255

    Chevy 305 upgrades

    Hello, I currently have a Mercruiser 305 engine (198 horsepower) with a Rochester 2bbl carburetor. I am planning on installing an Edelbrock performer intake manifold and a 600 cfm Holley 4bbl carburetor. I am also planning on upgrading the standard log manifolds and through prop exhaust to...
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