Fuel pump check valve and other sundry items

[Phil and Judy Rose]

I don't know if it actually works for removing concrete from painted 
surfaces, however vinegar (dilute acetic acid) is actually regarded 
as a "weak" acid. Stomach acid (dilute hydrochloric acid) is an 
example of a "strong" acid.

Phil

At 10:11 AM -0500 11/11/11, John Lagnese wrote:
>Vinegar is a strong acid.
>
>-----Original Message-----
>From: 200q20v-bounces at audifans.com [mailto:200q20v-bounces at audifans.com]
>On Behalf Of Tony Hoffman
>Sent: Thursday, November 10, 2011 8:05 AM
>To: jkempf at madriver.com
>Cc: 200q20v at audifans.com
>Subject: Re: Fuel pump check valve and other sundry items
>
>Jay,
>
>Glad to hear you are making progress, always fun to get it back together
>and go for a drive!!
>
>Use Vinegar to remove the concrete. That works well, don't know why, but
>it
>does.
>
>Tony
>
>On Wed, Nov 9, 2011 at 6:06 PM, Jay Kempf <jkempf at madriver.com> wrote:
>
>>   Any ideas how to
>>  remove concrete bits? Thoughts I have had are a vibrating engraver to
>>  explode the chips off the surface, muriatic acid, tapping with hammers
>to
>>  break it up... Nothing has been what I would say, effective as yet.
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*  Phil & Judy Rose           Rochester, NY  *      
*        mailto:pjrose at frontiernet.net       *
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