I'm using one of the Orbital gel-cell batteries from Napa. May not really fit you 4x style, but now that I'm doing occaisonal trail-racing I wanted something physically safer w/ good pop-back power after winching etc. After 18 months of pretty good abuse I'm very happy w/ it.

The general consensus I've heard from many, many folks is that Optimas are no longer really any good, Interstate really dropped the quality on them.

With 200+ Billion electrical parts, the world most complicated machine is inside your own skull.

Question Reality.
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'89 Rnr DLX "SR4.5", 32s w/ 5.29 locked f/r blah blah