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Mike Mans · 09-30-2021, 12:15 PM

I can't tell you if one is faster or not because we made the switch from BS3 to Holley at the same time that we went from an automatic to a 4-speed - but I can tell you that the Holley system is WAY easier and more useful in terms of what you can do with it. Their user interface is superior to the Big Stuff 3 program, in my opinion.

09-30-2021, 12:15 PM	#7
Mike Mans Member Join Date: Jan 2006 Posts: 177 Likes: 21 Liked 299 Times in 48 Posts	Re: Big Stuff 3 vs Holley EFI for LS engines I can't tell you if one is faster or not because we made the switch from BS3 to Holley at the same time that we went from an automatic to a 4-speed - but I can tell you that the Holley system is WAY easier and more useful in terms of what you can do with it. Their user interface is superior to the Big Stuff 3 program, in my opinion.