I posted this in your vegas page, didn't see this until after....
I had to check out that EFI, it looks pretty trick but I still think the FAST is much better. This MSD system doesn't have flow through fuel rails, doesn't have the injecters below the throttle blades, has annular discharge rings... High pressure EFI doesn't need those, it's like a gimmick IMO. I am a huge MSD fan, I like MSD products, ignition, dizzys, super conductor wires, etc. I like MSD, but I think this EFI is a little behind the times with the design of the injector placement and fuel system.
Now I will add this...
If you look here...
http://www.atomicefi.com/Compare.aspx
You can see the chart comparing them.
My two favorites are the FAST and this MSD system. I like Holley products but last I checked their self learnnig EFI was low pressure just like the old TBI systems, no thanks. If that is still the case then I put them last unfortuntely.
The Powerjection unit is some chinese crap that I wouldn't trust, although the design does look strikingly similar to the new MSD unit.
So in the rest of the chart, they boast mostly about the least connections. I think that's a non issue Dave, you could install the fast system darn near just as easily. All the same sensors are built into the throttle body in the FAST unit, just not the ecu. You still need to install the coolant and O2 sensors. At the bottom they just lied, the sensors are built into the throttle body, you just have to plug in the prelabeled harness, no bid deal.
So here what I think of the chart....
1-3: all connectors, no big deal, in fact I prefer the ECU out of harms way in the cab.
4: returnless design, I think this is actually worse, not better. Fuel flowing keeps the pump cooler, more reliable, reduces air pockets, and keeps a constant flow of already moving fuel available at the injectors.
5 - 7: the same (the FAST does have a fan control too, I'm using it)
8: 2nd fan control, nice but not necessary really.
9: timing control, now that is definitely interesting, have never seen that in self learning, although it makes me wonder how well it works. However, I also think that this is a small gain. Once I have my timing set and curved I never really change it anyway. Keep in mind you will have to lock your distributors mach and vacuum advance out, and phase it to the ECU for this to work correctly, along with phasing the rotor correctly.
10: a lie, the sensors are integrated into the FAST throttle body, just not the ECU, which I prefer.
11: max power, kind of wrong, The FAST unit can actually go to 650 with higher pressure, and 1300 hp with two throttle bodies, which probably isn't an option with the MSD part. (this doesn't matter to us anyway)
12: OK, that is a good one, I laughed.
With that said, if it works good that's all that matters, I look forward to seeing reviews on this one at least. With the projection I just see a bunch of people having troubles with it and taking forever to get their cars runnnig right if they can.
This MSD stuff looks like a quality product, but I would still buy the fast system if I bought a new one today based on the design of this one.
EDIT: I looked at more of the features and the fuel system is puzzling, it appears to have no regulator or relay, but the whole system does have a CAN power control module (seperate from the built in ECM). I am thinking they use the CAN PCM to PWM the fuel pump to control the fuel pressure, but I am just speculating. Either way, I think the standard return style fuel system with the regulator
after the injectors is a better design.
