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Discussion Starter #1
Which optima batteries are being used with the 7.3ltr. Just curious what expierence people have had with them good or bad.

Thanks.
 

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I use Yellow tops in mine D34 I believe or D34/78. Those are the two recommended by Optima for the 7.3s

Been running them for about a year with no problems what so ever.
 

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I've been using the red tops for about 2 years now and no problems
 

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I have yellow tops in my truck now, in my last truck and the one in my car is about 9 yrs old. I will ONLY buy yellow tops for my vehicles and I HIGHLY reccomend them!
 
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