[66resto]

Has anyone ran (or knows these heads) on a 347 stroker, roller block, efi.

Here are the specs I found ( I believe this to be correct). Should give me a 10:9:1 compression ratio.

* Bare Head (64cc Chamber)
* Much improved air flow over previous E351 heads
* Developed by Ford Racing with the help of Larry Lackey and Robert Yates of Robert Yates Racing
* Machined for 2.02" intake and 1.60" exhaust valve diameters
* Intake and exhaust valves have been moved .070" to unshroud the intake valve
* Valve angle changed from 20 degrees to 10 degrees to further improve air flow
* Intake port volume 195cc, exhaust port volume 78cc nominal


The lot of stuff I bought came with two sets of these iron yates N351 windsor heads off his circle track car. It also came with a forged sunrey (eagle) crank and rods (5.40) and forged flat top day pistons with flycuts (his cam is massive) (also came with a set of Keith black flat top forged pistons w/ no flycuts). Solid roller lifters (switching to hydraulic rollers) and Brodix-F stud girdle. And too much other stuff to list.

Looking to have a custom ground cam from Ed Curtis and I have someone tracked down for the headers. All the numbers look good on paper, i was just wondering if someone has seen these heads ran in person. It has been suggested that I run small diameter LSX style duals valve springs, I already have the requisite off-set roller rockers for the import and exhaust.

For the money, I think I am way ahead of the game, I just don't have a lot of knowledge when it comes to engine components and yall's help is always appreciated.