clio 172 cup
are they any good, has anyone got one does it noticebly improve performance and throttle response?
only works on a Leafblower
Gave a decent increase on the vauxhall C20XE/LET lumps and a friends valver.
Do you know the increase it made on the valver engine? One was fitted to a F7P I bought... Was considering ripping it out.
No RR figures but pulled much harder than before it was fitted. pulled away from all other valvers at the time.
IIRC didn't the mess about with the fuel pressure of the 16v cup cars???