anyone have pics of 280z's lowered with this kit? http://www.ajusa.com/cgi-bin/tokico/details?part_num=HPK253&products=1&part_category=HPK%20Suspension%20Kit&specific_fit=1974%20-%201978%20NISSAN%20280Z&ajr_skey=49016c4d39d5f40c90a8ad3b7d1ba222 i was reading http://forums.hybridz.org/showthread.php?t=102038&highlight=hpk about experiences with them. i understand the fronts are progressive while the back is linear? im not too sure what that means. i did a little search on progressive and states that as the spring gets compressed more, it takes more force to further compress it. im guessing linear means it takes the same force to further compress no matter how much the spring is already compressed? what does that mean in terms of performance? i dont track the car, use it for daily/weekend driving but i still want a low/firm ride (but still need to be able to get over the speed bumps) do i need to worry about sectioning with this setup? (i dont want the shocks to bottom out) or are they just a straight bolt one? i have a 78 280z pretty much stock engine. plz help! ty