I can only say that I've owned and wrenched on Fords with Mustang engines continuously since I was a teenager and all we have now are Fords with V8 engines: 302 V8, 4.6L 2V V8, 5.4L 2V V8, 4.6L 3V V8. I just need a 4.6L 4V, 5.4L 4V, and 5.4L 3V V8 to complete the modular V8 collection.