Ok , *DM rad ,stock fans run r12 system recharged , but fan in front wont turn on ??? fan is good .....what makes it turn on ????

There is a shiny stainless downpipe sold on ebay for our cars. One says MK1 The other MK2. what is the difference? Which one do I need? What can be my better options if any? Thanks, Lee

Ok, so my car is 5 lug swapped using the wide body's front hubs. I'm currently running stock 16x7 +18's in the front and 16x8 -10's in the rear, and love the fitment in the rear. The front however, is pretty sunken in. My question is would these spacers work to bring my fronts closer to the fenders?   http://www.ebay.com/itm/2-38mm-Hubcentric-Wheel-Spacers-Infiniti-5x114-3-G35-G37-I35-M30-M45-Q45-5x4-5-/330796737017?pt=Motors_Car_Truck_Parts_Accessories&hash=item4d0505a1f9&vxp=mtr   Than

im looking where i can find OEM starquest parts to finish my 87 starion. can anyone please help me?