hot street - dirt track

Ford Zeta 1.8 - 2.0L, mech (blacktop)

I-4cyl 2.0L 16v DOHC (DTs/DTs)

#

original setup with conical valve springs

#

original springs not suited for extended rpm range

#

for 2nd generation engines with mechanic tappets 30mm / shim 27.5mm on top, tripple groove valves and conical valve springs (from '98)

#

FOR COMPETITION APPLICATIONS ONLY. Following details must be verified:

-

the camshafs must turn smooth in the cylinderhead, provide free travel by machining where needed

-

distance between valve seal and retainer at full lift must be 0.6mm at least

-

minimum valve spring travel of 1.0mm at full lift must be provided

-

distance between valve and piston 1.0mm (pref. 1.5mm). check 5-15° before TDC on exhaust, and after TDC on intake

#

massflow or throttle position sensor required for reprogramming, MAP sensor will not funtion properly