I can say that both the yellow and red tops are great batteries.
The red still holds 720 cold starting amps after 3.5 years, and the yellow top was crushed in the accident with the Delta, and everything still worked

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33% ALEROMOD OWNER!!
2000 Olds Alero 3400 SFI 14.53 @ 94.93
1985 Olds Delta 88 307 SBO 17.96 @ 76.99
2007 Volvo V50 T5 6M 15.782 @ 89.12
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