Quote:
Originally Posted by OptionZero
I will defer to those with more track experience than I, and i see your point generally that a blank 1 pc has more mass and therefore more thermal capacity than a 2 pc . .
but don't all our current 2 pc options also have superior internal venting (for lack of a better term) to funnel air through the inside and therefore cool better on track?
is it your experience that the venting doesn't matter as much as just having more mass?
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Some 1 pc also have similar designed directional internal vanes for drawing and dissipating air. Take DBA for example, both 5000 (2pc) and 4000 (1pc) series use the same “kangaroo paw” internal vanes.
I think for #91 specifically, he’s saying the marginal performance benefits don’t outweigh the cost saving from using cryo treated blanks. One can buy 1 pc with the internal vanes, then send to get cryo treated....or some sites actually sell cryo treated stoptechs.