this thread is from 2002! is that the record for brought back to life? it's a historical moment . . .
I think its also a personal choice more so than a performance one. Efi is superior for fuel management and distribution assuming its not TBI. The simplicity of our cars is my biggest positive about them. I like being able to fix it in record time with a few tools. Its a step back to simpler times. Keep in mind that I'm the driveablility tech in a dealer so the Mav is my escape from technology.
i started reading this thread wondeing why i hadnt seen it before, then i checked the date. i think mo is right, this is the oldest resorected thread yet.
Electronic engine controls are nice... as long as they keep working. When they go bad they can be a nightmare to troubleshoot and expensive to fix. On other sites I frequent where the guys have EFI cars there are constant questions about how to find/fix this or that problem even though the ECM gives diagnostic codes. Seems to get worse the more the engine is modified from stock. Completely stock, almost no problems. Now, if my Holley develops a problem I only need a screwdriver to fix it, or about 15 minutes to swap on a spare carb. And a lot of money saved to spend on other goodies.
Thats the way I see it. I spend too much time at work diagnosing EFI and electrical. Then trying to get at the pasts to change them. I can swap the carb on the Mav in minutes. Change a fuel pump in about the same time.
I do not like EFI into older, non EFI cars. If it's already there in a late model, great, leave it alone and drive it. But to retro-fit all that stuff into an old car... forget it. I've seen several guys who were much, much more computer/tech savvy than I'll ever be try to pull it off....only to spend a bunch of cash, and time to maybe get it to run right. EFI is very precise- get the A/F ratio outta whack and it'll drive you nuts. Put a 750 on a stock 302 and it'll run..smooth. Yea, it's way too much carb, and the plugs are probably fouling away right now, but carbs are more forgiving. And cheaper. I can buy some plugs/jets alot cheaper than injectors/regulators/tps & o2 sensors. I do like electronic ignition minus the EFI stuff. If my Duraspark fails, it's probably a $12 brainbox, maybe the pickup(never had one fail on me yet though) or the coil. Not too many parts there.
Personally, I'm going to put EFI on one of my Comets along with an AOD purely for driveability purposes. But then again they will be of a totally stock configuration too, so I shouldn't have all the issues that most people have with modifying the systems since the system will think it's still in the Mustang it was designed to be in. I'm too old / broke down for drag racing any more so I'm not going to bother with hopping the system up when stock will work just fine for me. I just want something I can get into, turn the key, and drive while getting decent gas mileage no matter where I go. Being able to find replacement parts at any auto parts store if something breaks on a trip is an added plus too. I've got both old (1965 Chevy II Nova) and newer cars (1993 Caddy Deville & 1997 Crown Vic) that I drive on a regular basis and I like the "gas it and forget it" of the newer cars. I'm also a former Chevrolet dealer mechanic and have worked for several years at a restoration / custom shop, so I'm a little ahead of the curve than most people that attempt the swap too. -Scott H.
Simply bolting on a 750 will not result in fouled plugs. Quite the opposite will occur due to the decreased vacuum signal.
Yes grass hopper but...Is it running and driveing reliably yet??? I see this stuff every day and...When it works,its flawless.Neglect it and it will tolerate it...To a degree.Modify it (ford pcms' are very tolerant of change to a degree)modify it and re-engineer it(which is what you are doing by putting the EFI 5.0 in a mav) I guarantee it will give you fits.You will perhaps sort em out and have a great runner but,be warned.Its not for the faint of heart or un initiated. My blue 72 with a dual point dist and a holly carb on the 306 in it gets 25 to 27 MPG and... I only have to lift the hood to check the oil.Once the thing is set up properly be it old school or EFI,its pretty hassle free.
Carb all the way. No classic car guy in my opinion would want to open the hood up on a 1970's car and see EFI...I know I wouldnt, Id much rather see a big pretty carb sitting on top of a manifold. If its on a daily driver and never meant to be show-worthy, then sure, EFI all the way, but Id never enter a car into a car show with a converted carb-EFI motor. I guess the biggest part that plays into it is what exactly you plan to do with it...mine is going to have a big gas-guzzling 4bbl on it...lol
this post is from 2002. the origanal poster isnt even posting on here in recent years. i have installed fords fuel injection on old carbed cars. it has always ran fine with no issues. i really doubt the 71 maverick kid will have any problems once he gets it all installed as long as all the parts used were good. as said the ford system is very flexable, and that allows it to be very frendly towards swaps like this.
im a carb man, but i have a 900 cfm holley projection kit ,i traded a carb for, lol...id like to try it out ,its complete from fuel pump to injection unit , anyone try this setup before ,theres no o2 sensor with it it doesnt use 1 .....
