If you are building an engine today (~2023), Professionals are not building Hydraulic FLat Tappet camshaft engines? Don't try?

m79ded said

Thanks for the info it never even dawned on me to look for that, BTW do you happen to have a pic of the hole you made. TIA

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Sorry, never thought to take pic, I just use an angle grinder, and put a notch in the shell where the hole used to be , dress as nec.