Re: [DMCForum] Setting Fuelling - Why does the DMC PRV Hunt? [long]

["Martin Gutkowski" <webmaster@xxxxxxxxxxxxxx>]

Hi Walt

First off, thanks for posting to the forum - I should have!

If any car has the "better" system, it'd be Chrispy's 111-miler as it is
one of
the last 20 cars, and hunts like a good-un!

Martin

Walter Coe wrote:

> Martin,
>
> I'm surprised to read that a hunting PRV is unique to the DeLorean and
not
> other cars with PRV's.  Heck, even the Northstar V8 conversion at the
> Memphis show hunted just like a DeLorean should.  :-)  I suppose he had
half
> of the computer inputs glitched.
>
> Anyway, I have a theory to check out.  I was e-mailing with James Espey
> about why there are two versions of the Lambda ECU available for
different
> prices on the DMCTexas web site.  He filled me in on the details.  There
are
> two versions: a very common silver-case one #101068 price $236.25 and
then a
> later more rare black-case one #110067 price $480.  The black one has a
> "second Lambda shift time facility" and an "additional enrichment
facility"
> and is meant to replace the earlier model.  Stephen Wynne says that he
has
> only seen them on '82 & '83 cars which coincides with factory receipts.
I
> have looked at a few '82 & '83 DeLoreans, and they all have the silver
one
> which makes me think only very few D's have the black ones.
>
> I'm not ready to blow $480 just to see the difference, but if one of you
> guys in the UK could find a spare in a scrap yard (or find one in use on
a
> DeLorean for that matter) it would be interesting to swap out with the
> silver model to see how things change.  It is bound to make some kind of
> improvement or they wouldn't have made it.
>
> Walt
>
> --------


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