Quote:
Originally Posted by Tmadia
I'm not sure where the return line is, but you could T the return line into the fuel line prior to the pump and then you could put your transducer on the line coming out of the tank. Nice and cool back there and the only fuel coming out, not going back in.
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Anyone that's done a diesel purge knows that the volume of return fuel is not trivial. The concern is that having that a closed loop without any outside cooling as you suggest, would exceed the design parameters of the IP or injectors - especially in stop and go traffic in Phoenix in the summer, for example. Maybe it wouldn't but to my knowledge there is no empirical evidence of either what the design criteria of the IP cooling is or the temp that the fuel would get to in a closed loop system. I'm not willing to risk an IP or the chance of getting stranded on I-10 between El Paso and Van Horne just to experiment to find out. Without that data, my design is an attempt to replicate the cooling profile of the stock system in a closed loop system.