Starter motor question???
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Starter motor question???

  1. #1
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    Default Starter motor question???

    Is the starter motor assembly on a 496 mag the same as on an 8.1L
    Vortec truck engine? The reason I ask is because I'm experiencing starting problems with the boat and the automotive starters are half the price of the marine starters!!
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    Don't know if they are the same but if running an enclosed engine would highly recommend going with a marine starter.

  4. #3
    gn7
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    Don't even consider a automotive starter in a covered marine application. I don't care how cheap the automotive starter is. Whats your life and that of every person in your boat worth.



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    Quote Originally Posted by gn7 View Post
    Don't even consider a automotive starter in a covered marine application. I don't care how cheap the automotive starter is. Whats your life and that of every person in your boat worth.
    Exactly
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    Quote Originally Posted by gn7 View Post
    Don't even consider a automotive starter in a covered marine application. I don't care how cheap the automotive starter is. Whats your life and that of every person in your boat worth.
    over the 4th, a guy started a twin engine boat and it blew up from a fuel leak and a spark, burned and injured, lucky he was the only one hurt during launching
    If you ain't the lead dog the view is always the same !

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    So is the difference in the way they are insulated then?? This is why I am inquiring, because I am unfamiliar and wondering why the cost difference!! Just wanted to make sure it wasn't because it was for a boat!! Know what I mean!! Thanks for all the input!!!!
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    Has spark supression screens in the vents and usually coated on the inside to slow down the rust factor. Damn GN7, didn't want to say your gonna blow it up and die but you got the point across!

  10. #8
    gn7
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    I know that sound alittle harse, but sorry as it is, if your not, they seem to go with the automotive unit from Kragen. sometimes you just have to let them know it is about their life. At least I didn't throw women and children into it. "Just anybody else" in the boat.

    Somebeach, the main thing with the starter, alternater, and ignition is, that if fuel fumes do happen to infiltrate any of them, and there is a small explosion inside the piece, the flame cannot escape the unit. They can't really stop fumes form getting inside them. And if it did ignite, it stays within the unit. So yes, they are built different and more expensive to build.



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    Cas
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    try this place - http://www.arcomarine.com/
    I bought a high torque mini starter from them 5 years ago because it was 1/2 of the price from anywhere else. It's still going strong without any issues at all.

  12. #10
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    I haven't looked at the setup down there under the motor and at the ring-gear, but I would ASSUME it's the same. Only a marine version, as mentioned. Merc would not put a standard ANYTHING on, other than sensors that don't spark. Those are all regular GM stuff like on a pickup (TPS, IAC, Knock, CTS, MAP, etc).

    As far as the enclosed compartment goes, they're right it CAN explode but us not near as common on late-model EFI motors. There are NO fumes in there UNLESS someone spills some when changing the fuel filter. OR, something in the fuel system springs a leak. Which, CAN happen. For the most part, a person with, say, a 496Mag/HO, could feasable run a piece of automotive electrical device under the hatch for the life of the boat. BUT, there would always be a risk.

    So, I would look for a stock replacement Merc unit / OR / check on a gear-reduction, permanent magnet marine unit for our motors. SHOULD be the same as a Gen-VI BBC.
    Quote Originally Posted by gn7 View Post
    EFI is the wave of the future. There can be no denying it. Electronics have been on the leading edge of our entire lives. Not only os the magneto dead, but the standard issue CDI is wavering. Its all about total fuel, air AND spark control. Anybody that thinks its not has their head up their ass.


    2001 SleekCraft 30' Heritage SSB, open-bow mid-cuddy. 496HO / Bravo-I.

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