2.00” or 2.02” intake valve in a 351w D0OE head?

[Carnut1]

I hauled the D0OE’s and some junk E7TE’s to the scrap metal yard this morning. It sucked throwing all that porting time away, but I learned a lot from hacking on them. One big thing I learned is cast iron SUCKS

Mag, have you flow tested those with the 1.96” valve? I’m down to 1 good set of E7TE’s on a running engine and 1 set of ported E5AE’s that I need to get resurfaced again. This damn Texas heat and humidity causes everything to rust

E7TE's done well with 1.94" go about 220 cfm

My concern with going that far would be life expectancy. I think the short turn is pretty thin in places…I’m not sure about anywhere else

They don't need to be huge to flow this much. Problem spots need to be addressed, intake bowl on exhaust side is the thinnest, short side is thin with 1.94" also.