08-12-2021, 12:05 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 21,897
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Not Ranked
I did replace my eight year old Interstate that spring (as per my post above). It was still strong even then. It's a monster of a battery and could well have made it to the ten year mark.
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