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Another Day in Paradis...
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1,862 Posts
Discussion Starter #1
I have a 1988 Onan-powered 318. I need a new battery for it. i've done a search and found about a million different answers on what battery I can use. Does it REALLY not matter what model battery I buy?!?
 

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Super Moderator
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13,356 Posts
The biggest battery that will fit :fing32: I have found Sam's has the cheapest batteries around. I think the last one I bought for my 318 was 72 and change about 3 months ago...
 

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Diesels are awesome!
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4,449 Posts
A 318 should need 350 CCA at the most. I run my diesel with a 300 CCA battery year round and it is going on 4 years old.
 

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Another Day in Paradis...
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1,862 Posts
Discussion Starter #4
The biggest battery that will fit :fing32: I have found Sam's has the cheapest batteries around. I think the last one I bought for my 318 was 72 and change about 3 months ago...
Seriously? The only consideration should be that it physically fits in the battery box?
 

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Super Moderator
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Seriously? The only consideration should be that it physically fits in the battery box?
Pretty much, but like diesel said 300 CCA should be fine. My thoughts on batteries are a little warped though. I have only ever driven diesel pick up trucks so the bigger the better. Especially when it comes to winter.

You can buy a lawn and garden battery but those are 50 bucks in some cases I just go for the gusto..... Some might disagree:hide:
 

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Another Day in Paradis...
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1,862 Posts
Discussion Starter #7
I'm all for bigger is better, especially if there's no down side.
 
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