My 1965 Mustang Gets Fuel Injection | FiTech EFI Install 

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I did a FiTech install on my 65 289 a few years ago. Initial impression was "WOW", great technological upgrade from the gassy/fumey old 4 bbl I was running. I was really impressed with the cold starts and driveability of the car, on longer road trips I was pulling 18-19 mpg with my sloppy old BW T-10 tranny which was making the engine tach out at +3200 rpm at highway speeds. Again, super impressed. A/F ratio was staying right at 14:1, engine running cool, idle was super smooth....what's not to like about all that ? Then the problems began.......I was headed to a car show about 5 hrs away from home, super hot day (100°f) and about halfway there I felt the engine stumble just ever so slightly and it came out of it. Got to the car show and the engine didn't want to start, I was perplexed as nothing appeared wrong, fuel pump was coming on, had spark, nothing else seemed off base. Finally it restarted but the problem persisted through the rest of the weekend, hard starts with excessive cranking time. By sheer luck and maybe some prayers from Henry Ford himself I got the car to make the 5 hr trip back home, pulled up in front of the garage and shut her down and it never started again. Called FiTech and did the all of trouble shooting (including being emailed new files to load into the ECM ) all to no avail. Pulled it and sent it back to FiTech. Diagnoses = fried ECM. FiTech repaired under warranty, my only cost was shipping and the car being down for a couple months. Received my FiTech about 60 days later and reinstalled, this one made it even less time than the first (I noticed it was not getting the prime shot when the key was cycled). Called Fitech again and we went through all the trouble shooting again and I ended up taking it back off a second time. Once again bad ECM and once again FiTEch repaired under warranty. Six or so weeks later I've got the unit back in my hands and put it on the car and it lasted a couple months and the no-start issue arose yet again. Back to FiTech it goes, their diagnosis again was a fried ECM and by this time my warranty had expired however FiTEch stood behind it and repaired it at no charge but also by this time I was done with the unreliability of the unit and purchased an Edelbrock carburetor and put it on the car. In about 15-18 months and less than 3000 miles I burned up three ECM's and had close to 6 months of downtime on the car and I just couldn't take it anymore. Was the install done by a professional? No, but I did everything correctly. New fuel tank with in tank high pressure pump, high pressure feed and return lines, O2 sensor welded in, all wiring was soldered and heat shrunk with nothing other than the tach wire near the distributer, it was a very clean install. My theory is that the ECM on the FiTech units are integral to the throttle body itself and I dont think the ECM can take the heat of being nestled in the valley and it just burns them up. With all the problems I had, I did more extensive research and it looks like others have experienced similar failures, should I have gone with a Holley Sniper? There are a lot of good reviews out there but if you research it enough, there are a lot of problems with Holleys kit as well. I'll stick with my tried and true old school carburetor, get a little less fuel efficiency but have peace of mind that it wont break or leave me stranded and in the worst case scenario, if I need something for the carb I can probably get it at any O'reilly's seven days a week. FOR SALE - one 400hp Go Street FiTech fuel injection unit. Less than 3000 miles on it, WORKS GOOD. Make Offer.

Love to see the upgrades I’m an old hot rodder from the 60 I never get tried of a 65 getting better to drive or race

Such a cool old mustang

Once you go to the "dark" side, you wonder why did your wait so long. I bought a new fuel injected outboard for my boat years ago and it was nice to just turn the key and go. No more priming bulbs and warming up on the docks. You'll be the hit of the cruise ins.

Great stuff here! I'm old school but I see and know all the advantages of EFI. Basically the follow-up video will be, "Yuppers, better!" Congrats on the latest update to the Mustang! Go Ben and Four Speed, keep moving forward!

Looking forward to the video where you are sick of all the random problems and go back to carb. Been there. Ha. Good luck!

I put Edelbrock’s EFI into my Firebird (much more advanced than what FiTech or Holley offer with EFI). It was great, and my car ran so good, but it just wasn’t the same. Also, I had to get a shop to install the thing since it was way more than I could handle, and that meant I couldn’t ever really work on it myself. I will not be going to EFI on my Dart.

That’s alot! I’ll stick with my carburetors for now haha!

As a fellow 65 coupe owner I always love to see your posts. You convinced me I need to go EFI. Keep up the killer content dude. Can't wait for more!

Awesome, I was looking forward to this video!! It's surprising how much work is required, but having Mike there to install everything without the instructions just shows how smooth of an install it can be. Can't wait for the dyno and review video!! 😋

Great video! Welcome to the FiTech Family!

Without dudes like mike.. I fear for the industry period..

I just converted my Factory Five Cobra Replica from a Holley 650 Card to the Holley Terminator X EFI with 8 Stacks, Love It!!!!!!

EFI is kinda seductive but I‘ll stay ol‘school and carburated.

That’s really cool that these companies are working with you to show case their products. Had I seen this video two years ago I may have gone with FI Tech instead of the sniper.

I love my Fi Tech classic black in my 66. One of the best upgrades I've made. I did the Holley in tank fuel pump however.

they hooked you up! awesome video and you got me thinking about getting my hands on a FITech EFI.

Congratulations Ben, your hard work is paying off can't wait to see the next video some of this modern stuff is cool 👍😎👍

Looking forward to what you think about the EFI. I am very interested, but still love the carbs!

Great ride 👍🏻

Looks great! Looking forward to seeing the dyno results. 👍

I went from efi to carb because my msd atomic efi would not run right no matter what I did. Went with a holley 750 dp and was able to tune it better than the efi.

Hey Ben! Been following your build for a while. I went with an EFI for my 65 Fastback/ 94 302 build and it's wicker. It was a different brand so in order to not annoy your sponsors I won't name it, but I'm going to say moving from carb to EFI - and even from Foxbody EFI to modern fuel injection tech - is the best mod I've done so far. There is literally no downside to it.

I cannot wait for the following videos. I’m SO curious because I hear mixed reviews about Fi-Tech. I’ve been looking pretty heavily at Holley Sniper EFI. Honestly, I think the bad reviews were the ones who didn’t know what they were doing. My old high school buddy runs Fi-Tech on his wife’s Nova and he’s had no issues. I’m curious about the day to day usage and the learning process for this system. Please keep ‘em coming! I appreciate it a lot!

That's really cool gets better every time you add to it.💪😁👍🇱🇷 Thanks for the video band hope you guys have a good week

Great move changing over tothe EFI system, looking forward to seeing the follow up video😊

Great vid Ben. I am a carb guy, but I honestly can’t believe how great your car runs and drives now. After watching the install and actually driving the car I would highly recommend it.

Great video 😄👍🏻

Great video bud, can’t wait for the second part

I did the fitech with the hyper fuel before their tank setup was available. Never had an issue and it runs so much better than the old carb setup. Next is the tank setup for sure.

Great info Ben,, wow up an down , but it's done correctly, now the fun part dialing it in..zoom,zoom

Get a Dominator 4500 carburetor. +4 mpg on an 10mpg nova, got 14mpg.

Great video, as always!

Man, so much work condensed in 8 min. Great stuff.

Can't wait for the follow up video Ben!!!

This is a cool instal for sure. The only thing I don’t like which I can’t tell for sure from the camera shots is the o2 sensor, it looks like it’s at about 3 or 9 o’clock on the exhaust. Condensation can build up and ruin the sensor, ideally you want it between 10 and 2 somewhere. Otherwise this is awesome!

good move. Ive got the holley sniper and love it vs carb Im sure the fi tech is great too....much easier to drive and start ups are great and idle and all around driving. enjoy it man

Nice i was waiting for you to upgrade into efi kit would've been better if it was port injection kit but tbi make the engine bay look like a carb too so there is that.

I have three of their systems, a Mean Street bought in 2016 on the 65 GTO running E85, a 400hp unit for the Cuda's 340 that I got last year along with a 1200hp power adder dual quad system going on the 68 LeMans. I have a tunnel ram on the LeMans right now that turns the carbs sideways, so if I want to run the EFI I have to built conversion plates for it. The EFI will go on the 6-71 I have for it without a problem. The blower is for after I have sorted the car and the engine out, since its a fresh build. I use external pumps, mounted lower than the tank. My cars are so freakin loud I only hear them on start up, its nice being able to tell its working when I prime it. Easy to get to and they are cheap since I can use my stock tanks. The Mean Street gets about the same mileage as my Qjets do on the GTO, but it starts easy and the tuning is no tools with the handheld. I have an O2 bung in both collectors so I can run a wideband in the other one, I use the GTO to test my E85 conversions on carbs. Last year I did a first start video, and I didn't have enough fuel for a 50F cold start on E85, it would fire then die, not a problem with the warm weather you get and the smaller engine. 455s want lots of fuel on start up. I was trying to get it to start and run without touching the throttle. The Cuda had one of my Qjets on it at the time, and it needed lots of throttle movement to keep it running.. lol. Been thrashing to get the LeMans going, I have a chance to dyno it this weekend at a show and see just how much power my 505 inch Pontiac will put down at the wheels without boost. Its a car I pulled out of a pasture in 2014, for all of $300, but its not very rusty considering. I think I have the tunnel ram sorted out so it doesn't have vacuum leaks, the only factory parts on this engine are the camshaft eccentric and timing chain cover, so every part of it has needed just a little bit of massaging to work. If I don't get the 505 going I will take the 79 Formula and dyno its 461 that should be making around 550hp/near 600ftlbs at the crank. I have some mouthy chevy guys to embarrass.

love to see the mustang

If you've ever done this kind of job in your own garage, you'll appreciate how much quicker it can be done with a lift! That, and having the guy that probably wrote the book doing the work LOL.

Ótimo vídeo para quem tem curiosidade sobre esse tipo de instalação!!!!

beautiful car bro!

Curious how you will like it long term, excited for the updates. Im in the process of rebuilding a coupe at the moment, it will start out carbed for simplicity. Im new to all of it. Fitech Kits like these are appealing, and I would love an honest review all around. I would get their kit as theyre only 45 minutes from my place. Please post updates with positives/negatives as you experience them. Thanks!

Looks good 👍

Welcome to the Fitech Fam!

That is so dope! 💯💪

That's a great looking car.

Sweet dude

Game Changer!!!

Such a cool car

Have you thought about doing ground affects and duck tail spoiler/front bumper?

Is this upgrade one of those that you can do yourself without experience? Or would this need to be done by a shop?

Jeez... Seems like you just put on the new Holley 4bbl.

Do you know what cam the previous owner put in the engine?

Nice job.

I work in a restoration shop, some of these work some don't

Oh, I just subscribed!

Uh O !!! Look Out ! 🏁👌🏼

Wonder if they have something like this for the old 2.8v6 that came in the 82 S10 truck?.. anyone know ?

What wheel and tires sizes do you run?

If you want to have a good running carb get a AFR gauge. It makes tuning a carb simple with no guesswork. Fuel injection is really good especially if you want to run boost..

Now FiTech needs a old Hillbilly to self install the same set up. I happen to know a old Hillbilly in West Virginia that has a 66 Mustang and would LOVE EFI on ot. LMK!!!!!

Need to redo the o2 sensor mount. if you dont install it at angle it will collect water and will have to replace o2 often.

What kind of gas mileage do you think you were you getting before and after the install???

Love these detailed upgrade vids!

Hello! I’ve watched all of your videos! I have a 65 coupe with a 289 aswell! I’ve been looking at getting an efi but it seems so daunting! How much did their total package cost? Is it possible to install without first installing a new wiring harness? Thanks!

Curious to see follow up vid and possibly long term review (6mo or year). I have a 66 with a 289, debating on going efi but have heard mixed reviews on fi-tech. Curious if you chose it over Holley Sniper or MSD Atomic for a specific reason?

im late to this video i need this setup for my old rare muscle car not sure if this kit fits everything? not sure of the exact engine in my car until i take it in to get inspected but if anyone wants to reply and help me out thta would be awesome! thanks

I know different factors come into this, but how much did you pay for this entire setup? Great video

👍👍Great vid!!!!!!!!!! 👍👍

Thanks Ben enjoyed the video, although I would have liked to see you get your hands dirty on this install. LOL

Nice video

What did the sys cost not installed?

I want Mike to do my Falcon next!!

Road trip it to vegas 👀

Hey man good video how much is give you more hp and how is feeling what the gaz

I need help with this system - it came with my 67 mustang when I bought it - comes with front fuel ⛽️ pump can - I have stock gas tank - shows 10 psi only - does anybody work on these in SoCal ? I’m in. Alhambra

Looks clean , nice job , Do they give you a box of fuel filters ?

I’d have the desire to build a killer SBF for that car

Just one question: the throttle body was gold when he put it on, but it was silver by the end of the video. The first one is a different model than the one at the end. What's up with that, why the change?

If you want better mpg you can do a t56 6 speed munal sawp☺

I remember your first mustang videos and I love to see the growth of the stang as well as your channel. 💪

I would like to think of myself as a Mike.

Love to see how much all that cost...

Hurry part 2

Hi Ben, I'd really like to know, how much your MPG and power output íncreast through the EFI system. Hope, you will talk detailed about it in the next video. Greetings from Germany ;-)

Lucky! I would love to do that one day to my car one day. What was the cost?

Does FiTech offer install service too?

How big is the difference on the fumes smell comparing to the carburetor to the FiTech? I hate my clothes smelling like gas.

🔔😎🇺🇸 Ive been efi & T5 since 1995. 😁

I know you are in California but you deleted your heater? Biggest difference and probably the only thing that bothered me on a FI car was the was the one way Rev. You sit idle and bip the throttle it revs, then coasts down. Carb it goes wha ga!

✌👍

Hi hi!

I love this car! I'll wait and see how the injection works out for you but I think it is the wrong direction for this car. Your dad is a hot rod guy. Follow his lead and make your carb work properly, then you won't have the issues you spoke of. I know you're young and you speak with that California accent where you slur your words and speak very rapidly. For example, cutting of the T's at the end of words. This is fine when talking to your buddies but when narrating a video, try to slow down and enunciate properly. Maybe watch some shows that have voice over like old school "Wonder Years" TV show as an example. I subscribed to your channel quite some time ago and it is fun to see you progress with this car. I'd like to see your channel grow too.

Mikes amazing dude how do I find him?

Yippy

honestly people that have issues, they are usually vacuum and fuel related.

You keep modifying your car to perform better witch makes sense. That’s what hot rodding is all about. The one thing that you failed to upgrade is the only part of the car that touches the road. Get rid of those bias ply tires and put some nice 17s with a thin wall tire if you really want the car to perform better.