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Old 05-17-2018, 09:29 AM
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Default Fast fuel injection

Has anyone tried the fast fuel injection system{ 303002rb] its a dual throttle body on a supercharged 557" big block. Looking to get rid of the dominators and switch to fuel injection.
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Old 05-17-2018, 08:10 PM
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I think you would be farther ahead to use the Holley Injection , FAST doesnt have much in the way of support in the Marine end of things.
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Old 05-18-2018, 10:50 AM
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I ran the fast efi with msd box it was a nightmare would not buy there stuff again. Go with Holley.
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Old 05-18-2018, 10:59 AM
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Care to elaborate apache?? I'm also curious about FAST...what was a nightmare?? tuning, performance, customer support?? Would running their dist. tied in with the fuel injection have helped your situation??
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Old 05-18-2018, 05:26 PM
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The box is sensitive to rf noise and a msd box is not good for that has a lot of RF. I had to have a lot of capacitors to help the problem out even used resistor plugs to help with the problems. Even the pickup for the crank trigger was close to the alternator was a problem. If it had Hall triggers it may of not happened. I am not the only one with these issues. Maybe the newer ones are different but I would stick with a holley and do individual coils or a batch fired coil. Took two weeks to figure out what was going on with it would sit there and just shut off like it hit the revlimiter.
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Old 05-18-2018, 08:57 PM
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Go with the Holley.
Easy to install and with the help that is available here it is easy to set up.
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Old 05-19-2018, 04:55 AM
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do they make a holley kit that can be run in a dual setup on a roots blower?? I thought last I checked there wasn't any roots blower options??
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Old 05-19-2018, 06:00 AM
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holley does not make a kit to go on a roots blower. any suggestions on wich holley controller to use.
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Old 05-19-2018, 06:14 AM
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That's what I thought...didn't mean to hijack your thread btw...was just trying to get some clarification for everyone
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Old 05-19-2018, 05:45 PM
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Just an opinion here. Download the software for the different companies and see which one you want to deal with. None of the systems are as easy as the Salesmen claim. Tuning real time is a plus.
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