I try all the Gimmicks on eBay. Torando, to twirl Air... required K&N Air Filter, which did increase MPG... not the twirl. Magnets on Fuel Line to Ionize Gas... not really noticable. Spinner (torando)... about the same. BUT, on the other hand, I have all this junk on the engine... and a new EEC & PCM... and I am geting 40+ MPG... so, something is working, even if in combination or by accident. :lol:
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