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Jim Caughlin · 11-26-2024, 05:45 PM

Some of the smog motors got drastically refactored Ford 460 factory 220 NHRA rated 300 and there are other like this. I think there was a smogger 454 that had a huge increase also.

11-26-2024, 05:45 PM	#3
Jim Caughlin Senior Member Join Date: Mar 2002 Location: Woodburn, Or Posts: 683 Likes: 82 Liked 802 Times in 244 Posts	Re: Horsepower factors Some of the smog motors got drastically refactored Ford 460 factory 220 NHRA rated 300 and there are other like this. I think there was a smogger 454 that had a huge increase also.