Attached as a pic is the old Funfactor exploded view, here is a link to the "NX" series exploded view http://www.cenracing.com/downloads/nx_ev.jpg

Here is a link to the NX series manual http://www.cenracing.com/cars/manual/NX.zip

The Funfactor and NX series are identical except the NX has a longer chassis and longer driveshaft, lay down steering servo, different motor, bigger fuel tank, upper chassis brace.