Fast XFI 2.0 newbie w Mach1 -73 - Vintage Mustang Forums

 
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post #1 of 10 (permalink) Old 12-15-2012, 10:58 AM Thread Starter
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Fast XFI 2.0 newbie w Mach1 -73

Hello!

My name is Anders and im from Sweden. I have a 1973 Mach 1 q code. This winter a ford racing 427 stroker (estimated 535hp @ 5 600 )
go in the Mach and with that a Fast XFI 2.0 efi with rails mounted on a super viktor manifold.

Anyone here on this excellent forum having experience with fast XFI efi? Im about to (late dec - jan 2013ich) dynotune the engine with the efi. One tune with 95 octane and one with e85 (we have e85 on every gasstation here in sweden).






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post #2 of 10 (permalink) Old 12-15-2012, 11:43 AM
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I have not used one but I have read very good things on that set up. I have a MASS FLO with the victor intake with the fuel rails in the intake on my 64 Comet with a 408W but have not fired it up yet. Keep us posted on your progress.
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post #3 of 10 (permalink) Old 12-15-2012, 01:18 PM Thread Starter
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I have not used one but I have read very good things on that set up. I have a MASS FLO with the victor intake with the fuel rails in the intake on my 64 Comet with a 408W but have not fired it up yet. Keep us posted on your progress.
Nice setup for your 64 comet . I will keep you posted and hope to see your progress as well
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post #4 of 10 (permalink) Old 12-17-2012, 11:18 AM
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Nice looking setup. I've tuned a couple of race cars with the XFI setup. I was impressed with the datalogging capability and user interface wasn't too complicated.
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post #5 of 10 (permalink) Old 12-18-2012, 04:40 AM Thread Starter
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Nice looking setup. I've tuned a couple of race cars with the XFI setup. I was impressed with the datalogging capability and user interface wasn't too complicated.
Thats good to hear!
I have spent some time in the C comp program but only in demo mode since i havent connected the XFI yet. Looks pretty straight forward with some premade files that get me going with a little adjustments then I guess theres room to tune and tune and tune... .
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post #6 of 10 (permalink) Old 12-18-2012, 11:23 AM
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Originally Posted by ALLIANderS View Post
Hello!

My name is Anders and im from Sweden. I have a 1973 Mach 1 q code. This winter a ford racing 427 stroker (estimated 535hp @ 5 600 )
go in the Mach and with that a Fast XFI 2.0 efi with rails mounted on a super viktor manifold.

Anyone here on this excellent forum having experience with fast XFI efi? Im about to (late dec - jan 2013ich) dynotune the engine with the efi. One tune with 95 octane and one with e85 (we have e85 on every gasstation here in sweden).






Nice car!
I just switched to a FAST XFI on my 65 this past spring and with in a day of tuning i was driving. Just be prepared to do A lot of reading. I printed off what I could find on there website and studied it as much as i could. And Fast does great job on helping with tech. Here a few sites that helped me.
FAST Product Tech - CPG Nation Forum
FAST Product Support - CPG Nation Forum
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post #7 of 10 (permalink) Old 12-18-2012, 02:47 PM Thread Starter
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Nice car!
I just switched to a FAST XFI on my 65 this past spring and with in a day of tuning i was driving. Just be prepared to do A lot of reading. I printed off what I could find on there website and studied it as much as i could. And Fast does great job on helping with tech. Here a few sites that helped me.
FAST Product Tech - CPG Nation Forum
FAST Product Support - CPG Nation Forum
Thanks!
Nice to see a XFI friend . Are you happy with it so far? I have asked some questions on the CPG and they are, as you write, very helpful. If I totally mess up the mapping theres allways a way out with the remote connect pc to pc to XFI .
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post #8 of 10 (permalink) Old 12-18-2012, 04:49 PM
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Yes I really like it. I've used a few other tuners like tweecer & moates when I had a ECU out of a 1991 5.0 mustang in my car. The fast is more user friendly in my own opinion. The biggest problem I had with my fast unit is i bought it used and my wiring harness was hacked up bad. So i had to take time and fix and rewire it. I just didn't want to shell out another $350 for a new harness.
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post #9 of 10 (permalink) Old 12-18-2012, 04:57 PM
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One tune with 95 octane and one with e85
I understand that it can handle dual tunes, but doesn't e85 require a lot more injector than the 95 (very jealous of both of those options btw)?

1968 Fastback: 331 stroker, FTI cam, N351 Heads with a few upgrades, 4r70w w/3600 stall, 9" locker w/3.70 gears
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post #10 of 10 (permalink) Old 12-19-2012, 01:48 AM Thread Starter
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I understand that it can handle dual tunes, but doesn't e85 require a lot more injector than the 95 (very jealous of both of those options btw)?
I have choosen 60 lb/hr injectors to try to handle both 95 octane and e85. With 95 octane I need about 32 lb/hr with a 43.5 base pressure and 80% dutycycle. And the e85 takes (hopefully) 60 lb/hr. I guess I can go up to 90% dutycycle if needed. If the e85 is working well I think thats what I will run with .
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