Anyone flowbench the trickflow 190 heads yet???

I have a set of Speedmaster heads as we all know and the only thing I know (fact) about them is they are aluminum...

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I have very little doubt you couldn’t bolt those heads right on and they would run fine, up to the rpm limit of the springs.

If the seal situation on yours is the same as the ones I had here, it will use oil and likely smoke in a short amount of time.