Alternator upgrade |
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 11061 |
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Posted: April-08-2018 at 10:10pm |
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No............we don't want you blowing yourself up |
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gt40KS
Gold Member Joined: August-05-2017 Location: Wichita Kansas Status: Offline Points: 946 |
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I do have a bright red, newly powder coated GT40 intake if you're interested ... may have to arm wrestle Gary for it though |
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JCCI
1995 Ski Nautique GT40 |
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Jonny Quest
Grand Poobah Joined: August-20-2013 Location: Utah--via Texas Status: Offline Points: 2957 |
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Can I get a part number? JQ |
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Current
2003 Ski Nautique 206 Limited Previous 2001 Ski Nautique Open Bow 1994 Ski Nautique Open Bow Aqua skiing, ergo sum |
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gt40KS
Gold Member Joined: August-05-2017 Location: Wichita Kansas Status: Offline Points: 946 |
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Thanks Ken, Mark. Red sounds good too, though I don't want to overdo it ... gonna have a lot of red in there already. So close to having all the parts ready to bolt on once It gets here - my office, garage and basement bedroom look like a marine flea market
Of course I'll post several pics when I get it home and on the stand in another month. |
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JCCI
1995 Ski Nautique GT40 |
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MrMcD
Grand Poobah Joined: January-28-2014 Location: Folsom, CA Status: Offline Points: 3735 |
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Make sure the new alternator is Marine rated, it will have spark shielding internally that helps keep you safe.
Most cities have local electrical rebuilders that can take your old unit and build it the way you want usually in 3-4 days. |
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 11061 |
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You should get a red alternator to match all that other red stuff and it'll make JQ jealous as hell.
He'll so have to run out and get one Couldn't find a marine one in red but you could paint whatever you get |
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 11061 |
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A 3 wire AC Delco style marine alternator will slip right into that alternator bracket. You have to make the hole in the bottom mounting ear of the alternator bracket slightly bigger and do a little shimming with washers between the top bracket and the mounting ear.
Get one with the small single groove pulley and you won't have to change pulleys or even belts. It can be found at all kinds of different prices and different amp ratings and is easy to wire.. A 1 wire version is even easier to wire but the 3 wire has the advantage of remote voltage sensing and will do a better job if you have something like a big honkin' stereo setup which I seem to think you're putting in. Here's a link to DB electrical marine alternators You can find 63 amp, 105 amp and 140 amp 3 wire alternators Note that they're AC Delco "STYLE" aftermarket meaning they're probably from that big country with the tariffs I have a 63 amp on a GT 40P headed engine and it's been working fine for a lot of years now in spite of the cheap price tag. If you have a problem with the alternator, you can get AC Delco parts just about anywhere too and they're relatively easy to rebuild yourself. Link |
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gt40KS
Gold Member Joined: August-05-2017 Location: Wichita Kansas Status: Offline Points: 946 |
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Well, of course. I had already purchased a new alternator tor replace the rusting and aging original and while checking over the room full of waiting parts I discovered the folks had sent me the wrong one. I purchased this replacement last fall a few weeks before I put the boat away for the season but never installed it - I figured I'd do that when I had everything off the top to do the head swap. It's been long enough now that the seller won't take the part back or give me partial credit on a new one. I guess they may be worried after this long it might have been installed, used and taken back off. I suppose I can't blame them.
So since I've got a lot different situation now than when I bought that unit I figure this would be the ideal time to upgrade to a higher output than the original 55 amp. I've searched the site over and can't seem to track down a part number or source for such a swap. I've also googled the subject and there are so many options and opinions out there for this I thought I'd pose the question to the many seasoned experts on CCF. Thanks |
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JCCI
1995 Ski Nautique GT40 |
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