summitracing sells sensors that could work on our cars. I know these might be priced a little high but it is just another option for us to consider. http://www.summitracing.com/parts/sum-890017/overview/ Fan Control, Thermostatic, 185 Degrees On/170 Degrees Off, Sending Unit, 3/8 in. NPT, Each $29.97 and if you want to keep it stock here is the secondary sensor. http://www.summitracing.com/parts/sum-890018/overview/ Fan Control, Thermostatic, 200 Degrees On/185 Degrees Off, Sending Unit, 3/8 in. NPT, Each $29.97 just an option.