EFI or Carb for my 352 - Page 2 - Ford Muscle Forums : Ford Muscle Cars Tech Forum
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post #16 of 29 (permalink) Old 09-30-2017, 08:25 AM
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Re: EFI or Carb for my 352

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Originally Posted by falconfred View Post
I subscribe to the theorem that if it ain't broke, don't fix it.
I wish I did!

Putts drives a 1965 customized Galaxie. Rebuilt 390, 4100 electric choke on a Performer, MX, AC, PS, PB w Scarebird front discs on Cragar 17" S/S.
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post #17 of 29 (permalink) Old 10-02-2017, 10:23 AM
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Re: EFI or Carb for my 352

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I subscribe to the theorem that if it ain't broke, don't fix it.
...But, some times, with some things, you just have to keep fixing it until it breaks. LOL
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670 Street Avenger, Edlebrock Performer intake, Comp XE262H, Flowtech Headers
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post #18 of 29 (permalink) Old 10-02-2017, 10:57 AM
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Re: EFI or Carb for my 352

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I bought the Fitech Go Steet injection system to try on my 61 Sunliner with a 352. I found a new Spectra fuel tank for under 200.00 and I just saw Fitech's new billit in tank fuel pump conversion kit so I am going to get that. I've heard people are having problems with their "Command Center" sump system so I'm just going to go with the in tank pump.
Now I need to swap on a 4 bbl intake, I have a stock cast iron one I can use. I don't know it it is worth it to get an aftermarket aluminum manifold for a stock 352.
Of course I'm going to go through all this and my Autolite 2bbl carb fires up every time, guess I can't leave anything alone.
Mike
The reading I've done suggests running a single plane intake for best results on these TBI systems. If you have a dual plane intake I understand you can improve the situation by adding an open spacer and/or removing the plenum divider. I saw an Engine Maters video on Youtube, and read many other articles and accounts that indicate better results with an open plenum installation. So, choice of intake and air cleaner will be critical for maintaining hood clearance, but you should have more choices.

1970 XL, 351W originally 2V, now 4V
670 Street Avenger, Edlebrock Performer intake, Comp XE262H, Flowtech Headers
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post #19 of 29 (permalink) Old 10-02-2017, 05:53 PM
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Re: EFI or Carb for my 352

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...But, some times, with some things, you just have to keep fixing it until it breaks. LOL
70XL, you got my number.

Putts drives a 1965 customized Galaxie. Rebuilt 390, 4100 electric choke on a Performer, MX, AC, PS, PB w Scarebird front discs on Cragar 17" S/S.
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post #20 of 29 (permalink) Old 10-02-2017, 08:27 PM
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I have FiTech on my falcon. Tanks inc tank. Performer rpm airgap dual plane. Its night and day in throttle reponse. Only thing i'd do different is chose a more fitting cam.
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1968 Falcon
-351w RHS heads FPA headers toploader 4 speed

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post #21 of 29 (permalink) Old 10-02-2017, 09:17 PM
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Re: EFI or Carb for my 352

I thought I had read that the TBI worked better with a single plane manifold, good to hear it works with a dual plane. I kind of wanted to keep the old school look with the oil filler/breather on the manifold so I can use my stock or chrome baldy valve covers. Again I'm not sure how much of a performance gain I would get with an aftermarket manifold and a stock 352.
Mike
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post #22 of 29 (permalink) Old 10-03-2017, 09:03 AM
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Re: EFI or Carb for my 352

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I have FiTech on my falcon. .
Did the accelerator cable and downshift rod hook right up?

Putts drives a 1965 customized Galaxie. Rebuilt 390, 4100 electric choke on a Performer, MX, AC, PS, PB w Scarebird front discs on Cragar 17" S/S.
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post #23 of 29 (permalink) Old 10-03-2017, 08:15 PM
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Whoops. 4 speed. To me the linkage on the tb looks just like a holley. I am using a cable for the pedal, all seemed well. I don't doubt a single plane would be ideal but I do have a 1 inch spacer.

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post #24 of 29 (permalink) Old 10-09-2017, 05:48 PM
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Re: EFI or Carb for my 352

There are so many things that can go wrong with an EFI install. I read about one guy who spent bookoo to fix a failed conversion only to find out a small exhaust leak was screwing everything up. Or an incorrect water temp gauge, or a fuel pump placed too high,,, Man. I just want So many things that can go wrong. If there such a thing as a bulletproof EFI for a stock cam, intake, dizzy and exhaust, etc, for under $1,000? Please do tell!

Putts drives a 1965 customized Galaxie. Rebuilt 390, 4100 electric choke on a Performer, MX, AC, PS, PB w Scarebird front discs on Cragar 17" S/S.
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post #25 of 29 (permalink) Old 10-10-2017, 04:49 AM
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Re: EFI or Carb for my 352

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There are so many things that can go wrong with an EFI install. I read about one guy who spent bookoo to fix a failed conversion only to find out a small exhaust leak was screwing everything up. Or an incorrect water temp gauge, or a fuel pump placed too high,,, Man. I just want So many things that can go wrong. If there such a thing as a bulletproof EFI for a stock cam, intake, dizzy and exhaust, etc, for under $1,000? Please do tell!
FITech could be under 1000, depending on what you use for pump and tank. The unit itself is cheap.

Once you fuel inject one, it's hard to go back.

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post #26 of 29 (permalink) Old 10-10-2017, 05:43 AM
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Re: EFI or Carb for my 352

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Originally Posted by puttster View Post
There are so many things that can go wrong with an EFI install. I read about one guy who spent bookoo to fix a failed conversion only to find out a small exhaust leak was screwing everything up. Or an incorrect water temp gauge, or a fuel pump placed too high,,, Man. I just want So many things that can go wrong. If there such a thing as a bulletproof EFI for a stock cam, intake, dizzy and exhaust, etc, for under $1,000? Please do tell!
A perfectly sealed exhaust from the head to past the O2 sensor is essential.

1964 Thunderbird 390 V8, AOD, F.A.S.T. EZ EFI 1.0, Victor intake, MSD Ignition.
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post #27 of 29 (permalink) Old 10-10-2017, 06:20 AM
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Re: EFI or Carb for my 352

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A perfectly sealed exhaust from the head to past the O2 sensor is essential.
Yikes. Is there a way to test beforehand if you have something wrong that will mess up your EFI conversion, like a non-perfectly sealed exhaust? Is there even a list of the things that you need to test for that will screw you up if they aren't right?

Putts drives a 1965 customized Galaxie. Rebuilt 390, 4100 electric choke on a Performer, MX, AC, PS, PB w Scarebird front discs on Cragar 17" S/S.
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post #28 of 29 (permalink) Old 10-10-2017, 10:12 AM
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Re: EFI or Carb for my 352

Well, they all seem to be plug'n'play in less than half an hour in all the installations I've seen on TV.

On a cool day you should be able to see an exhaust leak, at least at cold start. The O2 sensor would go a little down stream of the pipe to manifold connection, so that joint should be easy enough to seal. Maybe you could get good reliability from a new carb, for a fraction of the price of an EFI conversion. My car starts and drives great to the point that I don't know if EFI would make it any better from a reliability and usability perspective.

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670 Street Avenger, Edlebrock Performer intake, Comp XE262H, Flowtech Headers
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post #29 of 29 (permalink) Old 10-10-2017, 02:25 PM
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Re: EFI or Carb for my 352

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Yikes. Is there a way to test beforehand if you have something wrong that will mess up your EFI conversion, like a non-perfectly sealed exhaust? Is there even a list of the things that you need to test for that will screw you up if they aren't right?
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1964 Thunderbird 390 V8, AOD, F.A.S.T. EZ EFI 1.0, Victor intake, MSD Ignition.
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