I recently installed 2 identical  group 41 Wal-Mart batteries in both
locations on my '87 Westy with very little trouble.  On the main you must
rotate the swivel base/ seat 180 degrees to do it without bending the
sheetmetal.  And for the aux. batt., I just removed the swivel/ seat
entirely to do the job properly.  I did relocate the factory aux power relay
to a spot where it didn't interfere with the side of the aux. batt.  YMMV.

Mike B.

----- Original Message -----
From: "PB" <pbrattan@GMAIL.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Sunday, June 03, 2007 8:03 PM
Subject: Re: Main battery tight fit

>I recently went through a battery "adventure," and ended up with a Group 41
> battery from Pep Boys that fits fine.  I was about to try to replace the
> aux. battery with one that fits better when I found out that there are
> basically no aux batteries that fit in the cavity perfectly.  By the way,
> I
> did manage to change the battery terminal adapter so that the protective
> cap
> would fit.
>
> As you can see, the battery fits with a little room to
> spare.<http://i74.photobucket.com/albums/i263/edtech2000/Westy/WestyBattery.jpg>
> It easily lifts out with its handle.
> Patti
> ****************************************
> On 6/2/07, Bob Stevens <mtbiker62@hotmail.com> wrote:
>>
>> Although I've got a couple 1200's in my van, this one fits with huge room
>> to spare and is very good for cranking and "running" the van otherwise:
>> http://www.odysseybatteries.com/battery/pc925series.htmBob Stevens '87
>> Westy Syncro "Passion Fruit"> The battery is an Interstate MT-41.> Since
>> the
>> battery is > 3 years old, now that I've got it out, I'm considering
>> replacing it.> > Is there a better fitting (ie slightly smaller front to
>> back) battery that you can recommend?> I've seen discussion of MT-42, 91
>> etc..> > Thanks,> Mike> '87 Westy
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>