I have a set of penske shocks on order for my 2001 GTS. I need help on how and where you mount the reserviors, mainly the rear?(Pics would be very helpful.)Also, do I want to run 2.25" or 2.5" springs? 7"or 8" spring length?(I plan on using 450 lb. and 750 lb. rear as a street/track comprimise...