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Will a roller cam assembly ground for a 289 work for a 302 Cleveland engine? Are the rocker arm ratios the same?
 

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First, I'm far from an expert, but I'll tell you what I've been told. If you truly have a Cleveland 302, what you have is a rare breed. A 302 Cleveland is a 302 Windsor block with Cleveland heads. To match them, the water ports are modified/ground to make them mate. This SHOULD mean that the cam shaft should have geometries that match a Windsor cam shaft, lift and rocker arm ratios SHOULD be compatible. What I don't know is if the firing orders are the same.I went looking and no one has a good answer for that. My suggestion, determine the firing order, if they match, reassemble like it's a custom build using Plastigage (or equivalent) to determine clearance.
 
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