No, in fact, it's quite far from it. I do believe that there are 3 EK1 engines that have incompatible heads, and if you didn't know what year of car they came out of, you would have no way of knowing. Anything after EK, is second-generation E-series. ES, and ET are completely unrelated to the other E-series motors. ES, ET and EZ are actually just early A-series motors.
If you want to swap your EK1 to non CVCC, you have to get the head from an EL engine. But, as I found out the hard way,
they absolutely have to be from the same year!!
Holy crap! Talk about raising the dead with this thread though! You reminded me how long ago I pulled that motor apart. What a slack-ass I've been. I guess it was my friends, and wasn't actually mine for at least 2 or 3 months, but that's still a year of slacking! Good news is that I've got my head at the machine shop. I'm done looking for
ANOTHER EL head for that motor. For now.

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