One word FOR the Superchip.
I had a stock Fiat Cinquecento (see my Cars page on my website for more info, mods werent listed for security reasons).
http://www.users.globalnet.co.uk/~drought/
Obviously with a stock 54bhp, I wanted some more oomph, so I had a Superchip fitted. The 0-60 times dropped from around 12secs to 10.5 secs, and in gear accelration, esp in 4th or 5th was dramatically improved.
Of course fitting the supercharger dropped the 0-60 time to just a shade under 8 secs... not bad for a 1.1litre ;-)
Still, my 300CE is quicker above 70mph. (below 70, the Fiat will kill it)
I'd say in general they help, more with torque than BHP tho. Throttle response is great too.
Brian
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Brian Drought
1991 300CE
http://www.users.globalnet.co.uk/~drought/
ICQ: 2180069