So I recently discovered the intake manifold on my f22a6 isn't one with dual runners like they should have on this motor, which leads me to question the cylinder head as well. I know theres a lot of controversy as to the differences between the cylinder heads on f series and that's not what I'm looking for. Can anyone tell me a 100% surefire way of identifying what motor my head is from? I'd really appreciate it.
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As far as F22A cylinder heads are concerned, I don't know of any controversy. They are all the same head. The only difference that exists on these heads is the the '90-'91 casting vs. the '92-'93 USDM/CDM castings. In the US and Canada during '92 and '93, these cars were fitted with an external coil that bolted to the cylinder head. The boss that it bolted to was not present on the earlier cylinder head so it was revised to include it for the markets that had external coils. I believe the part number for that head now supersedes the original.
Other than that, there is no difference whatsoever in the cylinder heads between F22A engines. Now, some may have different camshafts and valve springs, but that's not the head itself.My Members' Ride Thread - It's a marathon build, not a sprint. But keep me honest on the update frequency!
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