Mag 350 mpi plugs and wires

skennellyskennelly Member Posts: 2,196 ✭✭✭✭
in Engine Discussions
Suggestions on what to buy for plugs and wires.  Wired in particular...so many options.

Thx
2002 - 270FV Mag 350 B3
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Comments

  • rasburyrasbury Member Posts: 8,433 ✭✭✭✭✭
    I'm getting ready to do mine....I had planned on merc and will watch this thread...WWA do? (What would Al do?)
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  • LaReaLaRea Member, Moderator Posts: 7,765 mod
    edited June 2021
    Indeed ... WWAD. 

    Different motor, but on my 496s I used MSD Direct Fit because they were MUCH less expensive than OEM wires.  After 30 engine hours, I'm happy with fitment and performance.  
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  • 69fastback69fastback Member Posts: 951 ✭✭✭
    Funny, I’m just about to do mine too. Plugs, wires, cap, and rotor. My plan was to spend the money on merc parts, but I’m open to suggestions. 
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  • aero3113aero3113 Member Posts: 9,073 ✭✭✭✭✭
    This is what I used, trying to find the plug part number. I think they were AC Delco.


    2008 330EC
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  • skennellyskennelly Member Posts: 2,196 ✭✭✭✭
    https://www.wholesalemarine.com/sierra-18-8828-1-wiring-plug-set/?gclid=EAIaIQobChMIteaE8eTU4QIVwrbACh3CAAdaEAAYASAAEgLdAfD_BwE#other
    2002 - 270FV Mag 350 B3
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  • 212rowboat212rowboat Member Posts: 2,593 ✭✭✭✭✭
    i once pulled my boat to the finger dock and went to back truck down the ramp to retrieve the boat... returned to boat and it had died- turned key and nothing- just turned and turned... weird... 

    got it home and went to inspect- fire fuel air- the basics, right? 

    the main wire (coil wire) disintegrated in my hand- not dry rot, but sludge slimy pull apart like warm taffy (not that dramatic, though)... I've not seen another wire do that.  the coil wire being the one beaten on the most, it usually indicates the expectations of the others- and this was true.. each wire was in various states of weird decomposition.   

    I don't know how the thing was running.  these were quicksilver wires with less than a full season on them.  obviously they had come into contact with something dang weird to do that- but what? 

    since that encounter, i've never used anything but top quality wire sets- and at least 10mm with heavy casings.... i could care less about the added 'wire', it's just that the casings are generally thicker and with a higher quality sheathing (not to mention a lot less interference) than standard wire sets (which are generally 7mm?)... 

    Scott Performance or Taylor's make good ones.... you likely won't have to do them again for several seasons---- like, five or more. 
    click here for faults (BEEP) list
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  • 69fastback69fastback Member Posts: 951 ✭✭✭
    5 seasons?  Lol, in 11 years I’ve never changed mine and I don’t know when they were changed before that. 
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  • 212rowboat212rowboat Member Posts: 2,593 ✭✭✭✭✭
    edited June 2021
    69fastback said:
    5 seasons?  Lol, in 11 years I’ve never changed mine and I don’t know when they were changed before that. 
    i'm in salt water.  it makes a difference.  l-effin-ol. 
    click here for faults (BEEP) list
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  • PickleRickPickleRick Member Posts: 4,038 ✭✭✭✭✭
    Any chance they were an eBay or Amazon(or similar internet) purchase?  Moog did some investigations on some ford/dodge wheel bearing kits warranty claims, turns out a Chinese company was selling their product in a moog printed box via internet distributors.  Same has happened in my line of work with Stihl products and Oregon brand chain. It's gotten so bad our sales reps request dealers to report any such items we or our customers find listed on the internet. With the price on oem plug wires, that would be a good mark up margin for a cheap Chinese product in oem packaging scam.  I wouldn't be shocked to hear OEM vp and mercruiser dealers have been told to look out for the same.  




     212rowboat said:
    i once pulled my boat to the finger dock and went to back truck down the ramp to retrieve the boat... returned to boat and it had died- turned key and nothing- just turned and turned... weird... 

    got it home and went to inspect- fire fuel air- the basics, right? 

    the main wire (coil wire) disintegrated in my hand- not dry rot, but sludge slimy pull apart like warm taffy (not that dramatic, though)... I've not seen another wire do that.  the coil wire being the one beaten on the most, it usually indicates the expectations of the others- and this was true.. each wire was in various states of weird decomposition.   

    I don't know how the thing was running.  these were quicksilver wires with less than a full season on them.  obviously they had come into contact with something dang weird to do that- but what? 

    since that encounter, i've never used anything but top quality wire sets- and at least 10mm with heavy casings.... i could care less about the added 'wire', it's just that the casings are generally thicker and with a higher quality sheathing (not to mention a lot less interference) than standard wire sets (which are generally 7mm?)... 

    Scott Performance or Taylor's make good ones.... you likely won't have to do them again for several seasons---- like, five or more. 

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  • 212rowboat212rowboat Member Posts: 2,593 ✭✭✭✭✭
    very good possibility, @PickleRick
    ....
    i order almost everything from amazon.... 
    click here for faults (BEEP) list
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  • [Deleted User][Deleted User] Dana Point, California, USAPosts: 0 ✭✭✭
    If you have rusted screws on the rotor, here's a thread on how to extract them. Andy

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