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  1. M

    Going From Synthetic Blend To Regular Oil?

    Hello, I have been using a mercurys synthetic blend in my 4.3L Mercruiser the last 2 seasons. That is is not readily available around me anymore and I was wondering if I could switch to quicksilver regular blend or if that would not be wise? Otherwise I have to order all of my oil. Advice would...
  2. M

    What Oils Can I Use In a 4.3 Mercruiser?

    Hello, I was wondering if there was an alternative oil I could use rather then the Mercury Oil. I cant find it locally so I have to order it online and it gets crazy expensive doing that. Any help would be appreciated!
  3. M

    How to Winterize a 4.3 Mercruiser?

    I have an 04 4.3L Mercruiser engine that I need to get winterized. I was wondering if there is a place showing step by step instructions on how to do this or if someone could help me out. On my 88 back in the day i used to just pull all the plugs and hoses. I was wondering if there is an easier...
  4. M

    05 Maxum 1800 SR3 Speedo Problem

    My Maxums Speedo works but every once in awhile it will just stop working. Any ideas what it could be? Is this a normal thing? If you could give me an idea of what to check for id greatly appreciate it!
  5. M

    Run a Optima AGM in Parallel With a Walmart Deep Cycle Battery?

    Can I safely run a Optima AGM in parallel with a Walmart Deep Cycle battery? Or will the batteries kill eachother? I dont want to ruin my optima but I dont really want to buy another :lol: If its a bad idea ill swallow the bullet and go buy another optima. Thanks!
  6. M

    Install 2 Batteries On a Maxum 1800 SR3 or Buy A Deep Cycle Marine Battery?

    Im looking at installing 2 batteries on my 2005 Maxum 1800 SR3 and was wondering if anyone has done this on this boat and how they did it? Where they mounted the other battery ETC. I just put a 1200 Watt Amp with 4 speakers in the boat and plan on using the stereo system quite often and with...
  7. M

    4.3L Mercruiser Oil Filter

    Can anybody tell me what oil filter I need for a 2005 4.3L Mercruiser. Not MPI. It doesnt have a remote set up. I would look but its an hour away sittin in the lake :D
  8. M

    05 Maxum 1800 SR3 Smart Tab Installation

    I am going to be ordering some smart tabs next week and wanted to know of anybody that has an 05 maxum 1800 SR3 that has installed these. How did you install them and where. Any advice and help would be awesome with this. Drilling holes in my boat makes me nervous. Thanks so much!
  9. M

    Samson Razor Wake Board Tower 720 Speaker Can Experience?

    I have a Samson razor Wake Board Tower and the 720 quick release cans with some JBL Speakers installed in them. Has anyone ever took the speakers out that were installed and put new ones in? Just wondering if it is possible to do or if the speakers installed are permanatly in there? Im sure...
  10. M

    What Size Speakers In a 05 Maxum 1800 SR3?

    I want to replace my stock JBL speakers in my 2005 Maxum SR3 with something better. Was curious if anyone knew what size they were off hand? I appreciate it! Corrie
  11. M

    2005 Maxum 1800 SR3 High Five Prop?

    I have a 05 Maxum 1800 SR3 with a 4.3L in it and was looking at getting a new prop that will help it plane out quicker and hold it planed at slower cruising speeds. I was wondering What High 5 prop to go with since that seems to be the only prop I see other then the stock prop that everybody...
  12. M

    5w 30 Car Oil?!

    Hello. I just bought a new boat on friday with a 190HP 4.3L. Took it to the lake today and checked the oil before running. It was a quart low so I dropped some 5w30 car oil in it thinking nothing of it since it is a chevy motor. After thinking about it I thought maybe that was a bad idea. Im...
  13. M

    Best Prop For Mercruiser 4.3?

    Im looking to put a different prop on my boat to maximize the power. What is a best size to gain some speed and or power? Im new to this stuff. I appreciate it!
  14. M

    Spark plug wire order?

    I just changed the spark plug wires on my 1988 4.3L mercruiser. Is there a way to get the wrong length wire on the wrong cylinder? I know its right on the distributer because i did one at a time and i didnt change the distributor. I fired up the engine and it makes like a loading up noise almost...
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