Hey guys I'm in a bit of a dilemma with my 89 Lx drag car that has a 35 windsor based 408 stroker motor. I cannot get it to cool down! It has a meziere elec water pump (52gpm) and has an electric fan and shroud. I tryed putting a thermostat in it both 160degree and 180 degree ones and a restrictor plate with a 1" hole and a 5/8" hole. I put a water hose in the top radiator hose to check the flow and it flows fine. I ran it with the rad cap off and tryed a new cap (16 lbs) and still didnt solve it. I even lowered the top radiator hose and changed the bottom rad hose because it sucks shut over night. I tried a new water temp gauge, pulled the water pump. The guy I bought the car from said the water pump was new when I bought it. I checked the water pump on a bench and it runs clockwise and seems to be working fine. This motor will run 10 minutes with fan and water pump running and will get up to 180 degrees then with 5 more minutes of running willclimb to 210 beforeI shut it off. WhenI shut it down it coolds down at a normal rate. This is a fresh 408 stroker with the best of everything I could buy in it but it runs too too hot which scares me! I don't want to blow another motor in this car its getting too $$$$!!! It has copper head gaskets. I noticed the cooling holes on the heads are only 5/8" and both jegs and summit told me they're factory tested and I should not cut the holes bigger. Is this the problem with the Victor JR. heads? I also tried a radiator and fan from my buddys mustang and still had the same problem! Any info or help would be greatly appreciated! This car has me, all of my car guy friends, and jegs and summit tech guys stumped! Its like christine! I swear this car hates me!!!
