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Old 06-25-2008, 08:02 PM   #5 (permalink)
AXMonster
British Ecomod Hypermiler
 
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Join Date: Mar 2008
Location: South Coast, England
Posts: 101

The AXe - SOLD - '97 Citroen Citroen AX 1.1i 5 Door
90 day: 46.78 mpg (US)

Foci - '03 Ford Ford Focus Tdci Ghia Estate
90 day: 64.37 mpg (US)
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I saw a twin spark conversion for a Buick 215Ci (Rover V8 3.5 over here) that gave slightly improved combustion, but nothing that was worth the effort! IIRC it was something like a 3% increase in power & torque. Don't know what the effect of part load FE would have been, but for the effort it probably wasn't worth it.

I doubt these plugs would do anything at all.
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1997 Citroen AX 1.1i SPI
2003 Ford Focus 1.8 Tdci estate
Ecomods: See my garage



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