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BRETV · 03-10-2025, 06:56 PM

Rules use the wording "replacement block" not aftermarket. The 302 6010 boss block is also a Ford block and it had to be approved and is a legal replacement. So it looks like it would need to be approved.

Bret Velde
2003 I/SA

03-10-2025, 06:56 PM	#6
BRETV Senior Member Join Date: Oct 2003 Posts: 566 Likes: 4,140 Liked 776 Times in 199 Posts	Re: legal 460 block Rules use the wording "replacement block" not aftermarket. The 302 6010 boss block is also a Ford block and it had to be approved and is a legal replacement. So it looks like it would need to be approved. Bret Velde 2003 I/SA