I'm putting 2.02" valves in 360 heads ...

360DartGT66 said

Yeah, I hear you. I don't see machining the spring seats and valve guide OD as much of a problem as long as the pilot hole is ok. Btw, thanks for the article numbers! :thumbsup:

You're most likely right about drilling for guides on my own but I figure that since the guides that are in there are straight and nice, a piloted drill bit and a drill press should do the job as long as I can prop up the heads at the right angle. But failure is always an option! I'm not afraid of making an *** out of myself. :drama:

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The problem is You won't be able to tell how bad it is until You try to seat the valve, once You've hit it with the cutter, if the valve angle is off, the seat may be screwed
to the point that You'll have to live with it sunk(NOT performance enhancing) or as IQ52 stated..fixed by a machine shop and a seat insert(s) installed. If the drill press
is a sturdy one and tight, You may be successful if setup is done well & carefully. Good luck..............
Not to mention where the valve tip may end up in relation to the rocker arm :eek::eek:................