340 motor pumping excess oil on right side

You know that as rpm and load goes up that the factory PCV cannot keep up getting rid of blowby, and so the excess has to go out the breather backwards and up to the aircleaner,..... right?.......and this is normal. If it didn't work this way, the engine would blow out the weakest links,usually the dipstick, the grommets, the distributor seals,or the valvecovers.
Blowby can be measured on a running engine, as can crankcase pressure.
You can redirect the breather outlet, down to within 8 or so inches of the road and make something that works like what was once called, a road-draft tube. On mine I just looped the hose up and over then down onto the exposed portion of the shock stud. The breathing still happens but the oil runs back into the VC, It's been that way for more than 10 years, maybe 15;badaboom.
It seems curious to me tho, that this seems to have started after the intake swap.