My blue top is almost 6 years old, my yellow top is more than 8 years old, both still working well.
The OE Delco AGM in my 2018 truck I just replaced before the winter. It would have probably been fine, but noticed the ALT was cycling the charge more often and didn't trust it to make it thru the winter.
Something is amiss, you should look hard at your setup.
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1970 GTO Judge Tribute Pro-Tour Project 535 IA2
http://forums.maxperformanceinc.com/...d.php?t=760624
1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car
https://forums.maxperformanceinc.com...ght=procharger
Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be
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