The temps I posted were based on info posted by Cathar. He had 2c better with his MD30rlzt Iwaki pump. That is a really xtremly high pressure pump.
If you have one of Cathar's original WW blocks then I think you'll only see about 2c. But if you have the D-tek WW you may well do better, as from many things I've read, it doesn't sound like D-Tek is doing as good a job of finishing the base as Cathar did.
And that differance in quality of the base finish could mean quite a bit in temp improvements.
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