stock parts meaning stock cams right? I would deck the head the 20 over and good valve job... stock parts though would you have to keep the stock valve size? i.e. no larger valves.
Define stock parts? the ZX3 did not have the SVT exhaust as stock so does that count?
SVT brake conversion front and rear will allow for you to brake later.
smaller tires and 4.06 will allow for you to acceleration out of the turn.
Are light weight fly wheels considered bolt-ons? if 4.06 gears would pass I would think the fly wheel would pass... what about a differential?
not knowing the exact what is allowed or what is not it can be hard.
if you hit any substantial speeds things can be done to lower the car and or reduce the air drag a little (wax the car?)... get radical and strip the paint and just polish the raw metal to reduce weight (kind of like american airlines does to save jet fuel). have you removed all the sound deadening material?
2001 ZX3 Zetec - Rebuild "The TICK" (
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2004 ZX5 SVT - Restoration "Code Name Rocket" (http://www.focusfanatics.com/forum/showthread.php?t=722698&referrerid=62897)