Join Date: Jan 2011
Location: France, Pas-de-Calais
Drives: Kia Ceed, MGTF, Various Jeeps new and old, FIAT 500
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I am still of the opinion that if Kia (or any car manufacturer) could make the car produce either the same power for less fuel or more power for the same fuel without impacting reliability they would do so and have every incentive in a competitive market to do so. I have also had the opportunity to look inside a few tuning boxes and some (not all) are a complete rip off and are just a few resistors designed to fool a few sensors to make the engine run richer. I can see that a full ECU re-map could produce more power and lower MPG and vice versa which is exactly what Kia do on the EcoDynamics models. But as for the claims of the tuning box manufacturers - snake oil.
There was an episode of Top Gear on which they bought an ordinary car and then bought a whole host of tuning and customising gear in order to make it faster. (on the basis that in the UK people spend about £900M a year on car tuning and customisation). After each modification it was tested on the Dyno and Track and nothing had any significant impact. After spending about £5k they ended up with just 3bhp more and 1 second on the track. Several mods actually made it worse. The most significant change was due to a good service which recovered about 20% of the power that was missing from the manufacturer stated figures!
Just while typing this there is a banner ad on this sire for TDI Tunning.co.uk that is advertising 40% more BHP and 20% better MPG. This is nonsense. Anyone for a perpetual motion machine ;-)
Cars: 2011 Kia Ceed CRDi EcoDynamics; 2010 Fiat 500 Lounge 1.2: Various Jeeps new and old.
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Last edited by Spencernj; 11-19-2012 at 06:32 PM.