[V8] black soot out rear pipes

[Ed Kellock]

I've used GM Top Engine Cleaner on mine.  Uplugged a vacuum line at
the throttle body, one of those that runs to the carbon canister, the
thicker one, then had a curved piece of hose and a funnel and just
poured the cleaner in while working the throttle to keep it from
stalling.  Then you're supposed to dump in a bunch to stall the
engine, but I was too delicate with it.  So I just shut the thing off
with the key.  Still did the trick though, billowing smoke out the
tailpipe when I restarted it later.

Will try Seafoam next, available at Napa, about the same price.  I
believe it's the same stuff.

Ed

On Thu, 19 Aug 2004 17:53:51 -0700 (PDT), Ron Wainwright
<ron_01056 at yahoo.com> wrote:
>  Listers,
> 
>  A fellow V8'er friend of mine is having a problem,
> he notices black smoke out the rear tail pipes while
> he's accelerating. I saie it's just carbon build up &
> he should run a few bottles of Techron through the
> car. But a fellow lister mentioned some GM top end
> cleaner? You use the vacum line from the intake
> manifold to such this stuff through to the combustion
> chamber. Does this sound familiar to anyone?
> If anyones used this or now what I'm talking about
> could I get some info from you.
> Thanks
> Ron
> 
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