Here's why:
* Different lobe profiles: The lobe profiles on Chevy and Ford camshafts are designed for their respective engines' valve timing and lift requirements.
* Different journal diameters: The camshaft journals (the areas that rotate inside the cam bearings) have different diameters on Chevy and Ford engines.
* Different lifter configurations: The lifters that ride on the cam lobes are different between Chevy and Ford engines.
You cannot simply swap a camshaft between these two engines.
Alternatives:
* Find a Ford-specific camshaft: Look for camshafts designed specifically for the 351 Windsor engine. There are numerous options available from reputable camshaft manufacturers.
* Consult a professional: A knowledgeable mechanic can help you select the correct camshaft for your engine and ensure it's properly installed.
Important Note: Changing the camshaft is a significant modification and requires proper understanding of engine mechanics. If you're not experienced, it's best to seek professional assistance.
