"Under stress, ZX3 connecting rods are known to shatter like plastic champagne glasses, which is why they were replaced with forged steel units" I copied and pasted this from the SCC website. Sorry, I am not very mechanical.

1995 Contour GL
Zetec 5spd
Airbox removed w/ cone filter added. Tinted windows, VentShades.
FUTURE: RIMS!, Power W/L/S, Aiwa CD PLayer, Pioneer Speakers, CTA Intake, Custom Cat-back, SVT BK, WW Touring Spoiler, H&R springs, and graphics by PRO-STYLE Graphics of Orange City.