I have opened up engines that have had a stop leak added to the coolant.
It seemed to hang out where you would like it too.
Kinda looked and felt like Jello.
I have seen a dark purple and an orange, yummie.

dylan

----- Original Message ----
From: Mike <mbucchino@CHARTER.NET>
To: vanagon@GERRY.VANAGON.COM
Sent: Wednesday, November 21, 2007 5:34:01 PM
Subject: Re: Coolant sludge? (link to pics)

Could also be "Stop-Leak" residue.............

Mike B.

----- Original Message -----
From: "Allan Streib" <streib@CS.INDIANA.EDU>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Wednesday, November 21, 2007 5:23 PM
Subject: Re: Coolant sludge? (link to pics)

> "neil N" <musomuso@gmail.com> writes:
>
>> Blue/green coolant mix came out.
>
> I don't think you're supposed to mix anything different, especially
> "the green stuff" with the OEM blue coolant.  That might well explain
> the sludge.
>
> Allan
>