Looking at converting to a simple EFI kit!

Update: while im waiting on the efi kit, I rejected my carburetor and now I am averaging somewhere between 15-18 mpg. Not bad at all!

Ok today I filled up my gas tank after church, and drove 120 miles between towns. I refilled after driving that distance and it took 7 gallons. If my calculations are correct, I'm getting 17 mpg highway. Now that I'm satisfied with my current fuel mileage I look forward to the efi system for better cold starts and nice, crisp throttle response.

Your picture. not trying to discourage you. but I'am telling you what I see. your plugs hot enough to keep the porceline clean. except for a few spots. but that metal ring at the base of the threaded portion of the plug. covered by that black,uneven build up. thats oil. and,,,it could probably use two degrees more timing. get some more opinions.

hangn0ut said:

Your picture. not trying to discourage you. but I'am telling you what I see. your plugs hot enough to keep the porceline clean. except for a few spots. but that metal ring at the base of the threaded portion of the plug. covered by that black,uneven build up. thats oil. and,,,it could probably use two degrees more timing. get some more opinions.

Click to expand...

The plugs I recently put in are much cleaner than the ones I had in maybe a few days ago or so. It did burn oil while the rings were seating, and I could definitely smell it in the exhaust. The exhaust is invisible now and does not smell of oil. I will pull one again tomorrow and post a picture.

I am sold on the FITech also and am planning on that for my 383/468 stroker when I get her ready to install. Sounds too simple not to and I too am not a carb tuner. I won't drive in the winter here in AK but the spring and fall can have some pretty cold mornings to warm up a beast. Love hearing the feedback on those systems and will be digging for more info from actual users as I get closer. Great thread!

I will post feedback when the system arrives, but it will probably take a while considering that almost all the units are backordered.

So this is just a throttle body setup? I am planning to someday, eventually, use a late 80s mopar TBI setup. You can't really change it at all from stock but I really don't care about that. I already have a complete 1989 LA roller cam 5.9, haven't gotten around to snagging a computer yet. There was a guy on FABO selling kits and modified plug-n-play harnesses but he disappeared so I guess I'll have to do it the hard way.

I love fi tech units.
I personally wouldn't buy the fuel module, al lot of money and a lot of space uneeded.

First one I seen is a fked up story, old friend of mine has a 383 (recent rebuild), doesn't run good, bad mpg, so he has me put a carb I had on the shelf, holley 700cfm mech sec, so I do it, af meter tune it, time it, get it nice and right.

Still came back unhappy, running better, better mpg, more power, but still hard starting and would bog if you matted it fast. So I change his plugs cause he doesn't want to spend any money on anything else, car still has points.
that day comes back says its worse...

OK, so I am done, I am old and don't want to work on the same car same problem more than a couple times, not for free!!! with the owner complaining about it (I don't care if he reads this, nothing I didn't tell him in person, I took my hardly used 4778 back that I sold him for $100 easily worth 4 times that and tossed him out)...

He goes back to a friend of mine who sent him to me, and my bud tells him, get an fitech, get rid of points, and be done with it...

So he listens to him and asks him to do it, but he is much smarter than me, he says, sure Ill do it, but under 2 conditions, I have my kid do it, pay him $25 an hour cash and you need to start fresh, ignition system, and fuel system start to finish...
He of course says yes to him because he is young and young people listen to young people. With me doesn't want to spend $50 on wires and a new cap..

So his boy does it all and all new is a good way to tackle fuel injection in an old car. new fuel tank (straps, bolts, filler, grommet, sending unit, all of it new, that's how he does things, he even glass blasted under the tank, and painted the bottom of the body!!!), new proform ignition package, new msd coil, new taylor wires, and plugs. and of course the fi tech, and walbro 240, with fuel filter and all the an fittings and hoses, I hung out in the garage while he was doing it, kid did a great job, 17 and he knows more about mopars than some guys that have owned them their entire life..

now the Parts come to around $1500 with tank and ignition everything and it took the kid like 2 days- 3 hrs the first and maybe 6 the second.. So now hes into it for almost $2K! (that's another story for another day, I charged him $100 for a carb worth $400 and nothing for labor and I'm no good)

When this car was done, it ran like a top, idled amazing, tons of power, took the gas so nice, I was sold on the system, this guy drives that 68 a lot, guys from southern ri area probably know the car yellow 68 with cragar type wheels..

I have since installed a bunch of them, I even have one on a ford back hoe, gas motor couldn't get a carb to stay good, it sits too long before I use it, so I did have to make the exhaust pipe longer but it has one of them fi techs on it with an o2 sensor it actually make much more power than I ever remember and I have owned it a long time... I could never use that for snow because it wouldn't run cold, now that's all I use, it fires right up everytime..

well off to get ready for church, that's what my wife would have wanted me to do this morning.

One more thing, wait for the $100 rebates, I buy 2 at a time and get $200 off.. I have one in the box on the tool box right now if you are close by.

I wish you lived close to me, YOU would be putting this on for me! I am sold on them but interested in the comment about the fuel module. I put one of the EFI pumps in a 55 Belair to go along with an LS engine and that was such a hassle. The aspect of avoiding that route is what first drew my attention to the Fitech. The inline pumps are so noisy plus the return line plumbing you have to do, it made me think the fuel module under the hood was easier....Am I wrong?

I installed a FiTech dual quad setup on a tunnel ram, 511 stroker. So far, dyno time only. Fired with first turn of the key. After the rings broke in and using the FiTech to control the timing, motor made 734 hp and 675 ftlbs. I'm guessing when it gets in the car I'm not going to see 25 mpg, but hey it's going to be fun with that 4 speed! I'm sold.

Holy crap, this stuff sounds great!

I've done a few fitech systems now and have zero issues with them. I don't like the underwood sump kit I actually sent it back and ordered the edelbrock one and sent it back as well they are just too bulky.


One car I even just drilled the collector and used the weld free bung they supply.

One car I used timing control and the other I didn't (hei Chevy although you can use timing control with it come to find out)

What is the"underhood sump kit" thing? Is that an alternative to running a higher pressure electric fuel pump ?

That is a small container that mounts under hood against fenderwell or wherever that you take the fuel line from your tank pump into(7 PSI, I think). There is a high pressure fuel pump built into that which feeds the throttle body at the correct PSI. This set up eliminates the need for a HP pump mounted inside tank or inline against frame rail and also eliminates a return line.

Mocajava said:

That is a small container that mounts under hood against fenderwell or wherever that you take the fuel line from your tank pump into(7 PSI, I think). There is a high pressure fuel pump built into that which feeds the throttle body at the correct PSI. This set up eliminates the need for a HP pump mounted inside tank or inline against frame rail and also eliminates a return line.

Click to expand...

Wow! Sounding feasible.

I am sold on it my self and am saving my "points" with my financial director/AKA wife to order one for my 69 Coronet. Improved reliability, increased HP/TQ and gas mileage are all major high points for me. In their infancy, when the battery was disconnected their computer would lose the stored knowledge after you had run it a while. That has been cleared up and you can disconnect power source and it retains all you had done in learning your driving habits. check out what others are saying about this....

Boy that Fitech setup sounds real nice. But I remember "back in the day" being able to get any brand of carb to work good at any temperature. It usually took 2 tries at finetuning the adjustment and you could start,put in gear and drive away with no waiting even when cold. I kid you not, there used to be a lot of good carb guys around; course there were a lot of carburetors!

Same as above. I am looking for range, not mileage. Damn near ran out of fuel a few times in Nevada. 850 Demon requires some warm up when temps here reach the upper 30's. Other benefit is Reno at 5000 feet at 100 plus degrees. Balky heat soak thrills there may be eliminated with fi.