I've always used gunk engine degreaser, sprayed it on soaked and rinsed it
off. Sometimes it took two applications if I didn't put enough on the first
time. BTW I've never tried this on anything but fresh spills.
james
----- Original Message -----
From: Harry Edelman <hre4@sgi.net>
To: <mgs@autox.team.net>
Sent: 12 March, 2002 7:52 PM
Subject: The dreaded oil slick
> I have the same brushed concrete driveway.
>
> When I had the old Mercedes diesel I used to get all kinds of oil leaking
> and it was dark black oil. After I sold the car I used detergents and
> scrubbing. I also tried a nasty concrete acid because I really had a
stain.
> I also had a heavy duty industrial strength pressure washer that I
attacked
> it with.
>
> It took about 2 years and it finally went away.
>
> Then of course I bought the MG!
>
> Good luck
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