Re: [DML] Re: PRV Performance - Set me straight please

[Martin Gutkowski <martin@xxxxxxxxxxxxxx>]

endotex23 wrote:

>Sorry Mate, I was unable to find the data you're refering to. If
>you're implying 20 year old petrol powered cars produce less
>emissions than modern ones <snip>
>  
>
Nope - read my post again. I was referring to the emissions created in 
the -manufacture- of these newer "cleaner" cars, compared to the 
emissions produced by a 20 year old car in the intervening 20 years. You 
can also

>Hey, you'll get no argument from me about that. It's what I meant when
>I said technology is a substitute for displacement. As for emissions
>I'm not familar with your standards so I'll have to plead ignorance.
>However, 4.5% CO is serious pollution by ours and neither physics nor
>the atmosphere changes across borders you know. 
>
You were the one advocating tuning to 4%, not me! :-)

>Well, your friend is right...sort of. I left out bore wash (another
>quaint Brit term) because I was under the impression you wanted
>maximum bang for your buck (err pound). And I did say in another post
>more power makes more wear. I'd argue 4% will cause wash but since
>he's a PRV specialist I'll give him this. 2% is not best power however
>and I thought that's what you were going for. 
>
The DeLorean is compromised in terms of Emissions, Power and Economy. 
Remove the Emissions side of the triangle, allow it to go to the level 
of a Euro-spec PRV and the Power increases quite dramatically, and the 
economy, on my car at least, actually improved too.

I also forgot to mention that much over 2% (set by the adjustment screw) 
and you get poor cold starting problems, unless you re-jig the CPR, but 
we went down that route and it didn't work well. BTW mixture isn't just 
set by the screw as you know, and as I said, I'm not tellin' exactly 
what we do :-)

BTW try www.veggievan.org - I haven't read these sites for a while 
though. However, I have some food for thought for you

http://www.abc.net.au/science/k2/moments/gmis9840.htm (specifically the 
last paragraph)
http://www.abc.net.au/science/k2/moments/gmis9841.htm (referred to in it)

Martin





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