It would be helpful if respondees could also describe their driving
conditions: over mountains or on the flats, etc.
--
Mike "Rocket J Squirrel" Elliott
71 Type 2: the Wonderbus
84 Westfalia: Mellow Yellow ("The Electrical Banana")
74 Utility Trailer. Ladybug Trailer, Inc., San Juan Capistrano
KG6RCR

On 10/30/2007 2:02 PM Geza Polony wrote:

> Folks, volks,
>
> Correct if wrong, but conventional wisdom says VWOA specified ATDC timing in
> the early 1980s ONLY to meet pollution control standards. Is that right?
>
> It then follows that we can run these engines at other settings without any
> harm, and perhaps more power, if we don't care about destroying the only
> environment we have and causing mass extinction in an apocalyptic heat wave
> combined with unending hurricanes and general annihilation.
>
> OK, that means we can run our waterboxers at TDC, 5 BTDC, or even more, to
> good effect, except for the minor environmental probs mentioned.
>
> What I want to know is: who here are running at TDC or BTDC? How long have
> you been doing it? Has there been any identifiable engine damage? Better
> power? Better or worse fuel economy?
>
> I ran my 1.9 at around 5 BTDC before I got chicken and set it back to ATDC.
> It's less peppy, but there isn't really a huge amount of difference. I had
> an idea in my head that I'd burning a piston or a valve and didn't want to
> risk it. Is that right?
>
> Anybody been running BTDC for years and years?
>
> thanks
>
>
> Geza