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I have a pair of ECZ-C heads that I plan on using for the 292 Y that I'm building. According to ford-y-block.com, these are 1956 heads, with 1.78" intake valves.
Now, a couple of questions:
First .. these are big-port heads, right? I recently bought a '57 four-barrel intake on eBay and I want to make sure it will match up. Second, can the intake valves be changed to the larger 1.92" size?
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