2 replies to this topic

[danfocuszetec]

does anyone know if the cams out of rs mk1 will make much difference in my 1.8 what gains will i achieve? theres some on ebay:
http://www.ebay.co.u...=item257a4230ea

[FOCA]

I don't think it would work well, if at all, the RS mk1 is turbocharged so is tuned totally differently to a NA (Naturally Asperated/ non-turbo) engine

High lift/ duration cams can improve top end power/ revs (in an engine with the right exhaust/ throttle bodies etc) but can reduce bottom end/ midrange, which may make the car slower in some situations (eg put a "hole" in the bottom end making it slower off the line/ out of bends etc)

The (NA) ST170 has variable geometery intake trumpets to help boost bottom end power, and still have good power at the top end

Seems like a lot of hassle / cost for potentially little gain - what is the conventional tuning route for your engine?

[danfocuszetec]

yeah dont think im going to bother mate it aint going to be worth tbf.