I am considering a EFI fuel system. There are pros and cons to doing this but in my case the pros may prevail. I'm not sure. I found an ad in "Hot Rod" for "M***-Flo" EFI kits, and it caught my eye. Has anyone tried this kit and is someone possibly using it now? There sight is - www.m***floefi.com - it looks cool, ... any input would be apprechiated.
Almost all aftermarket EFI system are m***-air style injection, these a-holes just used it for the name. Don't buy into it, the injection sytems they are selling are m*** produced for people who don't know the difference. They just set up a rough set of parameters for it to run on that they think will make most engines work. Your really better off biting the bullit and buying a programmable system. I've seen these "no programing, now mess" sytems installed a few times and there are always endless problems: it takes too long to start, it won't run smoothly, it's running too rich, etc. And as far as mechanical injection, it's great on race cars but the two main factors that affect the jetting and mixture are temperature and humidity. Where I am, the temp can drop 10 degrees in 10 minutes and the humidity can go from 80% to 50% inside of a day. No Good!
I'm wondering that myself. We're building a daily driver 49 Ford for my parents and it uses Mustang 5.0 GT drivetrain. I'm hoping we can just drop it in and use an EFI kit. My brother wants to try to make the original harness and black box work.
I don't know if this is what you want to hear, but I have an Edlebrock Pro-flo system for the small block Chevy. It was expensive, and took me a week of spare time to install. However, it was like driving a new car the first time I took it out. Just like was metioned before, it was nice to be able to program it. You send off a card that is prepaid with your engine, and cam specs and they send back the proper chip to run it. It's pretty cool to sit in the driver's seat and listen to the engine lean out at the push of a ****on. Always starts right up ,too. I also just want to make sure I clarify that it was a snap to install, it's just the sheer amount of work that took me some time. I hope this helps.
If the system is really 'self learning' then it will need something to monitor the incoming air, and then the combustion process efficency. This is done with the MAF and the O2 sensors. I don't believe the ignition is controlled by their system - I think it's just using the dizzy for location for which cylinder is firing (could be wrong here) Anyhow self-learning is nothing new - almost all EFI systems factory and otherwise have some self-learning capabilities to adjust and store running parameters. This one is probably just filling in it's fuel mapping automatically and making adjustments while running and keeping it's fuel map updated with the latest parameters. Can't speak for how well it works, but if it were me - I'd want the ability to have it self-learn, then be able to tweak it and 'lock' the base map in and only allow offsets from there.
If you do do a fuel injection swap I would go with a M.A.F. m*** air flow system this is the only way for your computer to calculate changes in airflow. The only other system that I know of besides mechanical is speed density, this is no good for a daily driver cannot change for al***ude and air density. Personally I wouldnt do the swap. If your gonna go with efi I would go with a complete swap with factory parts. Just my 2 cents.
thanks for everyones input... i really apprechiate honesty rather than advertizing hype. i will look into other aftermarket EFI kits. Scratch Built's system sounds cool for a daily driver. thanks again.
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