pantera928 Posted April 26, 2023 Report Share Posted April 26, 2023 Do any of you know what size battery is supposed to be in an Avanti? I need to replace mine and I do not think what is in there is correct Thanks Link to comment Share on other sites More sharing options...
Dwight FitzSimons Posted April 26, 2023 Report Share Posted April 26, 2023 1964 Avantis and the earlier Avanti IIs use a size 24 battery. I don't know about the later Avantis. I assume they are also 24, but can't say for sure. BTW, a size 25 is like a 24, but about 1" shorter in length. That's what I use in my '64. --Dwight Link to comment Share on other sites More sharing options...
Gunslinger Posted April 26, 2023 Report Share Posted April 26, 2023 Top post battery...group size 24...side-post battery...group size 74. There may be batteries today that replace those sizes or smaller with increased cold cranking amps. Check around for possible substitutions. Link to comment Share on other sites More sharing options...
pantera928 Posted April 26, 2023 Author Report Share Posted April 26, 2023 mine has a 26RPS which I have never seen previously. it is 2.25" shorter in length and about 1" shorter in height. Almost the same width Link to comment Share on other sites More sharing options...
Skip Lackie Posted April 29, 2023 Report Share Posted April 29, 2023 Agree with Pantera. The one that fits my 74 best is the 26R, which is a group 26 with the posts reversed. Link to comment Share on other sites More sharing options...
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