Tenknots, I want the fatty injector line heaters for easy startup. Other than that, I don't intend to heat the blend at all. I'm in west Georgia. Winters are relatively mild, and during those colder months I'll run as much as 25% rug in the wvo. As it warms, I'll go 20% on down to 10% in the dog days. I've read that heating wvo/rug blends will cause the rug to vapor, and so want to avoid excessive heat. Do you still recommend a FPHE?

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1983 300SD, Silver/Blue, 230+K (rebuilt at 196K)