Maize would be the one to check on that. When I was gonna use the 670HO in my mod sled I asked Maize about what he had for a setup Im not sure if it was the same setup that you are talking about but He seemed pleased with the way his setup worked.
As long as the DPM was working and setup was done correctly(jetting) should be good. The Tempa Flo would offer some in field adjustability if needed to dial a setup in though, and once set no different than the DPM.
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