The only really critical part is the mounts configuration. As long as they are the same, then a higher powered, higher amperage alternator is just fine. Changing the pulleys out to match the correct vehicle configuration can sometimes be a "spot of bother", but not too much. I have done it twice now, substituting cheaper, and more plentiful Scirrocco/Jetta higher-amp alternators into my van. In general, higher uotput will not hurt the vehicle, as long as the voltage is correct.
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--- On Fri, 9/12/08, Tony Collins <tonycollin@GMAIL.COM> wrote:

From: Tony Collins <tonycollin@GMAIL.COM>
Subject: Re: Alternator Question.
To: vanagon@GERRY.VANAGON.COM
Date: Friday, September 12, 2008, 3:59 PM

The reason I was asking is that I already have a 90 Amp alternator from a
scirocco parts car. I was looking at pictures of the vanagons and believe
that the bodies on both alternators look the same. I just did not know how
many amps the vanagons where running.  I like to free the electrons in all
of my vehicles rumor has it that there are some 1980's audi with 120 amp
alternators that would fit the roccos ergo the vanagons if my observation is
correct. Any other comments or suggestions are welcomed

I really have to get a Bentley.

Tony

On Fri, Sep 12, 2008 at 10:38 AM, joel walker
<uncajoel@bellsouth.net>wrote:

>
> How many amps on an alternator for an 85 Vanagon with ac?
>>
>
> two show up in etka ... 65amp is the normal one, and you could special
> order a 90amp model (for like radio trucks and such).
>
> hope it helps. good luck!
> joel
>

--
82 Scirocco
85 Vanagon