I came across the rules and love this idea, I wished they raced closer to me. https://www.fastdrags.com/fast-rules  I have been hallucinating about which FE powered car would have the potential to go faster following the rules.  I think the biggest factor here would be the head and intake rules:

"2.03 Cylinder Heads and Intake Manifold MUST be correct* OEM casting, have correct* original casting numbers and be of correct* original material.
This may very well be the most important and teched F.A.S.T. rule.
Note: Any cylinder head or intake manifold that is not the correct* casting number, must be approved and published on the F.A.S.T. website.
Casting date codes are not looked at and are not part of the tech process."


Stroker kits, roller cams (Must have stock idle), head porting are all allowed if you can't see them.  The rules aren't clear but I assume aftermarket blocks are not allowed.  If you were to build a clone of something to take advantage of blocks and heads what would it be?

These are the three cars I think have the best potential for being the fastest examples if built to the rules:

1. 67 Cougar GT-E with 427SO/C6  With a stroker kit would anything else beat it?
2. 68 Mustang GT Coupe with 428CJ/C6
3. 67 GT500 with 428PI/C6  I'm not sure if the factory dual quads would be a better advantage?

What do you think?  Built strictly to race in this class, how quick?  Mid 10s?