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John Stock · 07-11-2018, 12:05 PM

I've had EFI combinations since 2000, I started with original FAST, then Holley Commander, Commander 950, Fast XFI and also using Holley Dominator/HP. Use on SBC, LS, and Ford combinations.

I'm with Ed, no extra power available from any system as all control same basic functions for us. Only difference is really user interfaces. Never had a box of any type go bad.

I am going to consolidate on the Holley HP/Dominator system just because I can't keep as much information in my head as I once did and am trying to simplify. If anyone wants Commander or FAST XFI stuff, I've got some that could go. Just PM me and I'll see it , eventually.

07-11-2018, 12:05 PM	#6
John Stock Junior Member Join Date: Dec 2001 Posts: 32 Likes: 0 Liked 45 Times in 2 Posts	Re: EFI control units I've had EFI combinations since 2000, I started with original FAST, then Holley Commander, Commander 950, Fast XFI and also using Holley Dominator/HP. Use on SBC, LS, and Ford combinations. I'm with Ed, no extra power available from any system as all control same basic functions for us. Only difference is really user interfaces. Never had a box of any type go bad. I am going to consolidate on the Holley HP/Dominator system just because I can't keep as much information in my head as I once did and am trying to simplify. If anyone wants Commander or FAST XFI stuff, I've got some that could go. Just PM me and I'll see it , eventually.