Miata Mailing List: November 1994, Message #143
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   From: BILL.ALLEN@metrokc.gov
Subject: re Miata Batteries
   Date: Fri, 4 Nov 1994 17:24:05 -0500

>Has anyone heard any first hand reports on the Westco battery >advertised in
the latest MCA rag? I called the company and for $84 >(less 5% for MCA members)
they give you a 12 volt, 33 Amp gel cell >that is "a bit smaller" than the
factory cell. Dimensions are 7H x 7.7L x >5.12W. It has a CCA capacity of 475.
Anyone know the Cold Cranking >Capacity of the factory battery?

Gary,
No, but I have had a first-hand report on the Interstate model # 51-50 gel cell
battery.  It's $58.95 and made by Johnson Controls, the same people that make
Sears Diehard and Motorcraft batteries.  It's 9 3/8"L x 5 1/8"W x 8 7/8"H (8"
w/o post).  Our member, who bought it, said it fits in the tray even though
it's bigger, the existing brackets work and the cover fits over it.  She's had
it for several months now and is quite happy.  It is rated at 50 amp-hours (410
cold amps).  The factory Panasonic battery is rated at 32 amp hours.  If you
can't find out who distributes this battery on the East Coast, you might try
calling Tom Allen with Interstate at 206/743-7677.
Bill Allen