wow that pretty good. I replaced the pair in my 2001 excursion in spring 2008. the replacements went out on me about 2 months ago so I got depreciated warranty of half the value. the first and second set of replacements were Interstate batteries. the second set is already showing signs of weakness cranking the 7.3L

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1982 300CD Turbo (Otis, "ups & downs") parts for sale
2003 TJ with Hemi (to go anywhere, quickly) sold
2001 Excursion Powerstroke (to go dependably)
1970 Mustang 428SCJ (to go fast)
1962 Corvette LS1 (to go in style)
2001 Schwinn Grape Krate 10spd (if all else fails)