I was of the assumption that the intake port of the EZ was the same as the -1. The difference between the two being the exhaust port height. I have to say I wouldn't be happy with multiple intake port leaks after 2 years of use. Doug
As cast, the EZ head has its own unique port shapes not shared with the other models. The floor is higher than a -1, with a much more rounded approach to the SSR, and a larger SSR radius.
I do believe the ez325 and the -1 325 utilize the same cnc program in the intake ports(I’m not certain of this since I haven’t had a pair of each here in the shop at the same time), which removes quite a bit of material from the EZ floor.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123 Dealer for Comp Cams/Indy Heads
