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Anyone running group 65 Batterym

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DayTony View Drop Down
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    Posted: May-23-2020 at 1:29pm
Hey guys, been a while since i posted so hopefully this wasnt recently covered. I didnt see anything at least.
So.
The BFN just came out of hibernation from the winter and its time for a battery in the old girl and was wondering what size batts you guys are running.
Its currently got a group 27 in it, and shopping around i am finding the group 65s to offer a better cca than the 27s that are available. Curious what everyone is running.
Prices are fairly similar. So go with the 65 for more cca or stay the same size g27?
The west marine G27 1050mca (840 cca) @$128 winds up to be the cheapest however.
-Tony
1988 Barefoot nautique-454
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 8122pbrainard Quote  Post ReplyReply Direct Link To This Post Posted: May-23-2020 at 2:13pm
Tony,
The group 65 is the choice of many but why do you need all that CCA?


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64 X55 Dunphy

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Post Options Post Options   Thanks (0) Thanks(0)   Quote ultrarunner Quote  Post ReplyReply Direct Link To This Post Posted: May-23-2020 at 2:33pm
I JUST finished installing an Optima Red Top Group 35. I think it's a plenty good choice. This on a '96 SN 196.

Test fit before strap and clean out.

Ultra
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gun-driver Quote  Post ReplyReply Direct Link To This Post Posted: May-23-2020 at 4:24pm
Group 65 is the correct battery for your boat Tony.
If you can find a 65N that’s even better 850 cca

65N
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DayTony View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DayTony Quote  Post ReplyReply Direct Link To This Post Posted: May-23-2020 at 5:54pm
Ok so it did come with a 65. That makes sense, it looks like a 65 would fit better than the group 27.
I would prefer the most cca i can get without sacrificing durability.
Somewhere around the 750-1000cca would be ideal i think. My group 27 has 6 seasons on it and was originally a 650cca.
Last season cold starts were OK, but once she was warmed up it would crank really slow.
Starter was brand new when the new motor went in so i dont suspect its the starter. But it is possible.
So i got new battery cables and plan to retire this battery. If new cables and batt dont help im going to have to get the starter checked out.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gun-driver Quote  Post ReplyReply Direct Link To This Post Posted: May-23-2020 at 6:54pm
Slow hot cranks could be timing to advanced also.
I run the 65N in my Power Stroke and no issues even in the dead of winter in Quebec
.(And that right there is cold)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 8122pbrainard Quote  Post ReplyReply Direct Link To This Post Posted: May-23-2020 at 6:54pm
Originally posted by DayTony DayTony wrote:


Last season cold starts were OK, but once she was warmed up it would crank really slow.

Have you checked the timing?


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Post Options Post Options   Thanks (0) Thanks(0)   Quote DayTony Quote  Post ReplyReply Direct Link To This Post Posted: May-23-2020 at 7:37pm
Thanks guys,
Thats a good point i will double check that nothing moved or the distributor weights arent hanging up.
However, last year i remember if i hooked my jumper pack on it would crank normal speed again. Battery load checked OK. But clearly was getting some Voltage loss somewhere if simply hooking the jumper pack on would get it cranking fast again.
Thats what led me to wires and battery for the first attempt.
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