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I am thinking of replacing my stock alternators before I launch. I dont thing the stock ones will really be up to the job of keeping up with 1 4d and 2 G24 batteries. The problem I am having is finding SB Mopar marine alternators. Are the Delco-Remy / SBC alternators the same mount. I dont think I will have any charging issues while spinning two 100amp alternators.... -Shane "McKenna Renee"
1972 '32 FB Express. Twin 318 / Edelbrock 1409s
Chesapeake City Md (Upper Bay / C&D Canal)
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Probably not. Even altternators of the same make have subtle differences that don't allow them to fit. How about getting your old ones rebuilt and stepped up a bit? Got a shop in Allentown, PA that does them very reasonably. You box 'em up and ship them. They do the rest. Interested? Jeff "...reality is not nearly as lovely as the world of Liberal Land. No wonder so many people want to go there." - Tom Sowell
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See the post for alternators/starters in the Vendors section of the forum. Both Judge Perry and I have used the vendor. Fast service, fairly priced Joel Albert, Potomac MD
"Charlie B" - 1988 32' FBS
Twin 318's/FWC/16x15 nibral props
docked Deale, MD
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I just replaced both of mine with one wire systems from lighthouse marine great to deal with $169.00 plus shipping I think 10.00 did one last year and one a week ago I like how it cleans up the wires.
They are universal the one from last year fit the one from this year needed a new belt.
They both work great for me by the way these gm style alternators need 1000 rpms to start charging.
Bob
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Careful not to replace the alternators with non marine alternators that do not have ignition protection. I replaced my alternator with arco marine new one wire alternator 61A output better than the 40A original. When you get a higher output alternator you lose charging output on the low end. http://www.arcomarine.com"The is no dumb-ass vaccine" - Jimmy Buffet
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Rank: Top Rank Aluminum Star
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I, too, used the 61A, one wire Arcos. Easy installation and I'm very satisfied. Jim Jim Hemphill
Detour
'87 32' FBS, USCG Certification #1057921
Berthed MM 207 Tennessee River, Picwick State Park Marina
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Rank: Administration
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One caution on one wire alternators: They don't charge at idle speed. No big deal if you don't spend hours trolling. When in a no wake zone, I either run on one motor (throttled up enough) or drop into neutral now and then and blip the throttle to get them charging again. Jeff "...reality is not nearly as lovely as the world of Liberal Land. No wonder so many people want to go there." - Tom Sowell
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