Quote:

I'm using 7 mm NKG Blue high temp silicone 250* Celsius + Not sure what that is in Fahrenheit,



Double the Celsius temp., subtract 10 percent and add 32 = Fahrenheit temperature.

250 times 2 = 500
500-50=450
450+32= 482 degrees Fahrenheit

1972 Cuda 340 4 speed, 2001 Ram CTD 4x4 6 speed, 1970 Duster 408 4 speed, 1996 Ram 5.9 2x4 auto, 1965 Coronet 500