Amc 360 howell tbi installation. . I haven't ben able to get the installation instuctions from Howell's web Oct 17, 2007 · There are already plenty of step by step write ups for doing this install so instead here are my general impressions. 10 gears, ARB, Yukon axles and Super H/D u-joints, Currie Dana 44 rear, cut wider to 60 1/2", 4. However, I had a Sniper on my '77 CJ5 with the AMC 304 V8 in it. I'm in the process of putting in a new Painless Wiring Harness, Howell Fuel Injection CA kit, and a DUI Dizzy. Jan 16, 2011 · #2 I have never done it myself but I have heard good things about the Howell TBI Fuel Injection kit. Below are the additional items I purchased for the install. Howell and AFI (Affordable Fuel Injection) seem to be the most popular. Apr 29, 2015 · Part # YJ258 Converts L-6 Jeep engine to EFI by adapting 4. Jan 10, 2019 · I just picked up an '83 CJ7 with the AMC 258 i6 / 4. 2L Jeeps Jan 10, 2023 · Running AMC 360 with Howell TBI. Jan 24, 2019 · I bought my tbi system through affordable fuel injection. Both the Howell TBI and the Mopar MPI solve the problems typically associated with the infamous Carter BBD (i. 4) Gas mileage improves marginally Dec 4, 2005 · I don't mind at all, and thanks for adding the link. howellefi. I haven't ben able to get the installation instuctions from Howell's web Apr 1, 2024 · 1972 Wagoneer - AMC 360, Howell TBI, S10 Blazer fuel tank/pump swap, Electronic Ignition 1973 International 1210 - Stock (for now) 1988 Mazda B2200 - 2. Stock exhaust manifolds, dual pipes. I had a local shop install my Davis DUI HEI a week ago. i. 0 FE-DOHC EFI swap Nov 10, 2007 · Install Howell TBI on AMC 360 Jump to Latest 6. The next thing I am going to do is verify that the distributer is in the correct position. approved kit is a God send. 2L Offroad (CODE: CJ258) TBI KIT: 1972-93 304, 360, 401 V-8 Jeep/AMC – Emissions Legal (CODE: K247JPV8) TBI KIT: 1972-93 304, 360, 401 V-8 Jeep/AMC, Offroad (CODE: K247J) Feb 22, 2009 · I have the Howell TBI system on my 360, easily one of the best mods I've done to my CJ. A referee "might" work with you to allow but you would need to talk to them BEFORE the install. Issues I am having: -Tach gets stuck at 2100 RPM unless in Neutral and I floor Nov 19, 2004 · Are there ways to install a Howell TBI kit without using all the sensors and lines, a way of tricking the computer into running how I desire it to run? The sensors and lines are mentioned above. This thread is not meant to be complete instructions, but instead cover some issues that I found either interesting or may be useful to others. By far the biggest chunk of time was spent DUI Distributor and Howell Fuel Injection Installation on Full Size Jeep Cherokee FSJ - YouTube Nov 6, 2014 · Here is our victim: the Pig Truck’s ’78 AMC 360ci V-8 with a Howell TBI conversion bolted on to the stock steel two-barrel intake manifold. The computer module that manages the system is installed under my dash. I have a GM (howell) TBI system on engine so no carb. My Jeep is a 1985 CJ-7 with 304. 3, Rockcrusher 60, Shaved 14 bolt, 110" WB, Stazworks Double Beadlocks and 42's Aug 23, 2023 · I have zero experience with Howell Injection, although I am going to install a junkyard GM TBI in my 79 Scout II this winter. The other kit is the Mopar MPI but it typically costs twice the amount. Apologies if there's already a thread about precisely this issue. #D-452-2 Howell EFI announces arrival of new fuel injection conversion kit for classic Jeep Wagoneer and Grand Wagoneer Marine City, MI – March 10, 2015 -The 1971-’93 Jeep Wagoneer and Grand Wagoneer have a huge following among off road enthusiasts. The computer does need a tach signal and the signal off your coil should work. 2 motor. On cold start the RPM immediately jumps to 1700 RPM and stays there Sep 18, 2013 · People have been doing junkyard throttle body injection (TBI) conversions on the 360s for years and this is a very similar process. Alternately, you can do the "junkyard throttle body conversion" as discussed many times on other threads here. Pretty much in OP’s shoes. 1984 Jeep CJ7 4. 2L Offroad - Emissions Legal - Howell Engine Developments, Inc. I have already had the Howell EFI installed for about a year now with no issues by this same shop. Jun 8, 2012 · I'm poking along with my Howell TBI install. Nov 4, 2011 · A forum community dedicated to all jeep owners and enthusiasts. 55K subscribers Subscribe Oct 5, 2012 · I read through the installation instructions on the Howell stuff, and it mentions a few times "if your vehicle is equipped" in regard to emissions stuff, and it also discusses needing a fully functional vapor recovery system and a cat (if originally equipped with one) if you want it to be emissions legal. 25 Map sensor should be connected to the port on the back of the TBI between the We had previously discussed ballast resistors with a link to the MSD instructions GM Based TBI on an AMC 360 Waaayy back in 2002, I purchased a Howell-EFI fuel injection kit for my AMC 360 motor. Apr 9, 2000 · Part 1 of 3 of replacing vacuum hoses on my 1987 Jeep J-20 pickup with the AMC 360ci V-8 engine. 2L CJ or Wrangler Jeep to EFI. Nov 26, 2019 · California Smog Legal Version CARB E. I sent Howell an email outlining these problems and will also share any response I receive from them. I set my pressure with a gauge hooked up inline just before the fuel line goes into the tbi on the low side of the Howell spec of 10-12 psi. #D-452-1 $ 1,700. <br />1990 GW trac-loc, Engle cam and aluminum cross flow radiator. Feb 28, 2005 · I've recently installed the TBI kit purchased from Howell Engineering with a custom cold-air intake & optional snorkel for around $1,300. The throttle body is the same 5. After the install, it makes perfect sense, but that's not when you really need the instructions. As far as the MSD tach adapter: You ONLY need that if you are using the OEM Tach, which is current fed. Jul 30, 2006 · There's only a few wires to hook up and it could be cheaper than a new carb that will never run at all angles. 3 liter V-6 engines. Click to expand But on a 304 the tbi (howell) should be way way way more than enough. efisystempro. For emission 50 state emission… Jan 8, 2015 · I am having troubles with my current setup. com or call (810) 765-5100. that was up until I went the next step and remover the OEM Distributor and installed an “AMC/Jeep INSTALLATION AND ADJUSTMENT INSTRUCTIONS FOR HOWELL 2 X 2 TBI FUEL INJECTION KITS: These kits may be installed easily on any 2x4 barred intake manifold with 6 7/16" spacing between carb centers. The don't specify anywhere on the throttle body and it is a OBD II so the SMOG techs don't scan those. During installation, check off each step as it is completed. O. Feb 9, 2021 · The Howell system is actually a GM TBI injection system and was never intended to be mounted on an AMC engine so you will need to play by the TBI rules to get the best results. It basically a low cost version of the jy tbi but new parts from a guy who knows what he is doing. Sep 26, 2023 · Just came across this thread. 2l motor and the California-CARB-certified Howell JP1 throttle body fuel injection kit. Howell EFI has recently released a carburetion to throttle… Apr 4, 2016 · Where did I say anything about oem TBI? I said re-install it because I thought there was some mention of the TBI being removed and a carb going back in. comthey offer 2 years free tuning. At the same time, I also had them install a tach. Found one on eBay, but have heard mixed reviews on dealing with the vendor. It sometimes stumbles when warming up, but always starts and very rarely stalls. Operates GM engines with or without ECM controlled ignition. The Howell TBI is a fuel injection conversion kit based on a TBI system found on GM 4. This System Will Not Only Give Your Jeep Some Extra Performance But It Will Save You Fuel Mileage While Running Smoother And Staring Easier Than It Ever Has Before. B. Also any other tricks or tips I need to know for installation? Oct 27, 2004 · The TBI system offered by affordable-fuel-injection is a very good TBI system for the money, it is less than half the price of the Edelbrock AMC MPFI system. TBI adapts directly to Jeep 2 barrel carb inlet manifold. Has anyone tried this out / how's the installation? California Smog Legal Version CARB E. Improves drivability and fuel economy. I installed one of their units and the pump wasnt turning on--it was a loose connection at a plug. Product Description We Now Have Available For Our V8 Full Size Jeeps A Throttle Body Injection Conversion System That Replaces The Old Carbureted System On Your Jeep. The Hornet is most Dec 30, 2009 · Expect to pay over $2500 as compared to Howell's throttle body system for a little over $1000. 1) Great customer service at Howell. A. 0 but, I like simple, so I decided on a GM TBI for a While I'm waiting On The Final/Grand Total from JMERICAN, for the HOWELL TBI Set Up from Him, I Thought I Would TRY & Get Some Info on What Else I Will Need to Install it, (AND Use it! 50 State Legal Jeep TBI #K247JPV8 – TBI KIT: 1972-93 304, 360, 401 V-8 Jeep/AMC CARB E. You will definitely need the Howell filter that replaces the filter up in the front of the wiring harness. For many years we've been known for our GM based TBI kits for Jeep inline 6 and GM small Howell EFI announces arrival of new fuel injection conversion kit for classic Jeep Wagoneer and Grand Wagoneer Marine City, MI – March 10, 2015 -The 1971-’93 Jeep Wagoneer and Grand Wagoneer have a huge following among off road enthusiasts. For those who have already installed this kit, where did you install your 02 sensor? Passenger or Driver side exhaust (taking into consideration cleanest route to run The HOWELL V 8 AMC EFI kit uses a remanufactured General Motors throttle body fuel injection unit from a 305 or 350 V 8 engine to replace your existing 2 barrel or 4 barrel carburetor. The Howell guy also suggested that I test the fuel psi. I am going to make the leap to TBI on my 79 w/t 360. 0 FE-DOHC EFI swap Shop Gumby Reply Quote Like B BaileyNB Discussion starter 444 posts · Joined 2018 #8 ·Apr 15, 2024 Apr 1, 2024 · 1972 Wagoneer - AMC 360, Howell TBI, S10 Blazer fuel tank/pump swap, Electronic Ignition 1973 International 1210 - Stock (for now) 1988 Mazda B2200 - 2. 2 258 with Howell TBI. Apr 30, 2011 · I will attack the installation of a Howell TBI conversion on AMC 360 early next week. How to install a Howell Electronic Fuel Injection on a Jeep Wrangler. the set up there is for a v6 to amc i6 But since the ecm doesn't control a multiport could you use a 4. R. INSTALLATION OF TBI AND ENGINE HARDWARE Install the supplied 2-barrel adaptor plate, (FIGURE 2) using the Jeep 2-barrel carburetor gasket and the cap screws supplied. Remanufactured GM throttle body adapts directly to 2 or 4 barrel intake manifold, replacing carburetor. Back issues are Feb 26, 2021 · I have a stock AMC 360 and want to put EFI on it. Remanufactured GM throttle body adapts directly to 2 or 4 barrel AMC intake manifold, replacing carb. Executive order that Re: Howell TBI Install - installation tips by tgreese » Wed May 01, 2024 6:34 pm Air cleaner revision. Come join the discussion about performance, engine swaps, modifications, classifieds, troubleshooting, maintenance, and more! What are the options for a quick SIMPLE fuel injection for a 360? Going in an off road Jeep and I want The Howell Fuel Injection Conversion TBI Kit is an essential upgrade for your Jeep. Pulled over, checked fuses/unplugged relays, and waited about 10-15 mins. Apr 4, 2016 · He has posted everything he knows in different places, and I have been able to make a couple of TBI setups run well using that information. The Holley Sniper BBD EFI relies on the existing ignition system but uses a wide-band O2 sensor for self-calibration, allowing it to adapt to modified engines. I have a AMC 401 with a 260 cam, Mallory ignition and Howell TBI. Most old emmission plumbing is eliminated. Howell TBI, AMC 360. Jan 7, 2011 · I have a AMC 401 with a 260 cam, Mallory ignition and Howell TBI. Best mod I have done to date, just put the key in and it starts right up. Jump to conclusions much? Nov 26, 2019 · California Smog Legal Version CARB E. I looked at a junkyard MPFI off a 4. Oct 15, 2013 · The Howell installation manual does leave much to be desired for a person who has never done the install before. This Kit Was Designed Specifically For Our Team Grand Wagoneer May 3, 2010 · Well the wife is soo excited about driving the CJ that she gave me the green light to get the Howell TBI fuel injection kit for it! Being here in California the Howell CA. This will be a Tuned Port Injection (TPI) which will actually inject the fuel to the intake runner, just like Multi Port Injection in modern vehicles I am thinking about the emissions legal Howell TBI. Howell EFI has recently released a carburetion to throttle body fuel injection swap kit which includes… Aug 8, 2019 · The Howell TBI system replaces both fuel and spark with a mapped system tailored to a specific engine profile, making it suitable for a stock 4. When warm, it idles at 900-1,000rpm and I need it to idle Jul 25, 2008 · 85 CJ-7, 258 I6, 35's, 4" BDS suspension lift, 1" body lift to clear tires, swaybar disconnects, Currie tie rod and steering rod, Rusty's BEEFY steering gear mount, Steering brace, Superior one piece axles, Detroit locker rear and Detroit TT up front, T5 Tranny, Dana 30, AMC 20, Dana 300 TC,TR upgrade, TJ flares, and Howell TBI. 2L, you'll need to connect the Howell's white wire to the negative side/tach lead of the HEI distributor. If its running Rich/Lean, I'd look at the Oxegen sensor wiring and location in the exhaust. I have searched online. Many original emission controls are eliminated, which simplifies underhood… Anyone here know if there are big differences between the Howell tbi systems for 6 and eight cylinder. I know there is some work that I can begin while waiting for the TBI itself I was hoping I could get some guidance here. com 8 mos Jeremy Cerveira I also installed the Howell TBI 22 years ago. K going to order and install new lines. It is fitted to the stock V 8 intake manifold with an adaptor supplied in the kit, and controlled by a GM vehicle ECM (computer), using a coolant sensor, MAP (Manifold Absolute Pressure) sensor, and heated Oct 14, 2002 · Although the Howell tbi system was already installed on my 8 when I bought it I can't say how difficult the install was but she runs great. First I went to Summit and looked at what was Site will be available soon. The conversion went super well and the motor rocked after the conversion was completed for months. Dec 4, 2005 · I don't mind at all, and thanks for adding the link. 3 v6 set up on the 360 or do you need to use a 350 donor Jul 27, 2006 · Howell was the GM engineer that developed the ecm for tbi. ECM installs under dash. This was installed on my 1985 Jeep Grand Wagoneer (FSJ), The Black Hole. Oct 25, 2012 · I have an 84 CJ7 with a 258, TF999, and Dana 300. Feb 24, 2008 · I am going to make the leap to TBI on my 79 w/t 360. Sea level to 13,000ft and it never hiccups. What you need to know and to do to properly convert your carburetor. I had the same TBI on a AMC 360 and it showed much the same symptoms. 125" diameter as the original carburetor, providing many options. com 4. When warm, it idles at 900-1,000rpm and I need it to idle Nov 27, 2013 · Ref: Jeep TBI Products :: TBI KIT: JP1 Emission Legal Version CARB EO #D452 1972-80 CJ 4. Howell’s Chrysler TBI systems improve starting and idling with a more consistent tune that equates to improved fuel mileage and drivability. 0 FE-DOHC EFI swap Reply Like jeepdaddy2000 13187 posts · Joined 2002 Sep 23, 2023 · 1972 Wagoneer - AMC 360, Howell TBI, S10 Blazer fuel tank/pump swap, Electronic Ignition 1973 International 1210 - Stock (for now) 1988 Mazda B2200 - 2. GM ECM replaces Jeep… Dec 2, 2010 · The edelbrock one is MPFI. New for Jeep AMC V8 owners who will love the all-weather, all-altitude performance of multi-point electronic fuel injection. Great for serious four-wheeling. Thank you for your patience! Aug 18, 2016 · Howell TBI AMC 360 Overheating by Clearedhot » Tue Mar 28, 2017 2:42 am All, I've got a 84 Grand Waggy that the previous owner installed the Howell TBI on. What should I look for? Holley Sniper? Howell TBI ? or ??? Jan 29, 2015 · Re: Howell TBI on 360 and throttle / kick down cables by tgreese » Thu Jan 29, 2015 9:32 pm firedog wrote: Hey gang! Got myself into a 1990 grand waggy with the AMC 360. I recently purchased a vehicle with a howell FI rebuilt AMC 360 engine 8. One was a stock Fiero, the other was a friend's 360 Wagoneer. The engine starts right up when cold and idles fine. Recently put on a Howell TBI system on itbut I'm wondering what guys have found as the best solution for the throttle and kick down cable attachments to the TBI unit? Mar 9, 2008 · I have a friend that wants EFI on his 360 but the kits are not cheap at all $1000+ Can you get a Chevy TBI to work on a 360? Part #JP258 Converts L-6 Jeep engine to EFI by adapting 4. Common Jun 24, 2018 · Re: trouble with Howell TBI install on 86GW by rocklaurence » Mon Jul 20, 2020 12:12 pm Call Howell Tec support. Unless you know someone it will cost you over a grand but it is well worth it. I Fuel injected the motor with Howell TBI. Howell EFI has recently released a carburetion to throttle… Oct 17, 2021 · '83 CJ7, AMC 360 Howell TBI / COMP XE-264-HR / DUI, T-18a, d300, D44 front and rear, Alcan SOA, General Grabber X3 33x12. 3L GM V-6 components and in-line electric fuel pump. 00 – $ 1,560. For anyone who does not know TBI is computer controlled fuel injection that still uses a wet intake like the carb. 87-older chevy vehicles. Aug 11, 2015 · This is an article in relation on how to install the Howell fuel injection system. Nov 20, 2017 · Howell EFI entered the market developing high quality, emissions legal, Jeep and AMC V8 Throttle Body Injection (TBI) kits for off-road including the 304, 360 and 401. I'm now trying to get it legitimately through smog, and I'm currently held up on a high idle. com EFISystemPro. 3) The system gives you 1990's fuel injection reliability on an old jeep and stalling is a thing of the past. Matt Howell of Howell EFI talks about the features of all Howell Throttle Body Fuel Injection systems. TURNKEY TBI SYSTEMS: Several companies make turnkey (ready to run, you simply install and go) TBI systems for AMC 360/401 motors. 50s, Warn XD9000i, etc Reply Quote Like Jun 3, 2013 · I spent Thursday and Friday installing a Howell Fuel Injection kit on my 1973 CJ5. I ran into a lot of problems with the installation and thought that I would share them with you. First I went to Summit and looked at what was Apr 10, 2009 · I do not know what Howell suggests for these adjustments, what I am describing is how the GM TBI system works and is set up from the factory as I have a junkyard TBI install. 3L Chevrolet throttle body to convert a 4. It fires right up after it Universal TBI Kits #K247J – TBI KIT: 1972-93 304, 360, 401 V-8 Jeep/AMC $ 1,500. I do not have Howell experience but I assembled my TBI from a GM unit and built it to be a Howell clone (with hidden timing control, because CA smog). 0 FE-DOHC EFI swap Shop Gumby Reply Quote Like B BaileyNB Discussion starter 444 posts · Joined 2018 #8 ·Apr 15, 2024 Jan 22, 2012 · O. Jul 9, 2010 · I decided to go to fuel injection after trying to start my Jeep in cold weather while in Wyoming this last winter. Contains all necessary sensors, wiring harness, ECM and electric fuel pump (no fuel lines). Looking to get a stock manifold. This kit is one of only two made for Jeeps that can be ordered California smog legal. The Howell purple and orange wires connect to the solenoid/starter for power in 'run' and 'start' modes. It could have been done much cheaper than that, but the ease of installing a fully provided kit was the deciding factor. Contains all necessary sensors, wiring harness, ECM, and electric fuel pump. Sep 15, 2022 · Howell EFI now offers TBI kits to convert any first or second Generation Dodge Ramcharger or Plymouth Trailduster to throttle body injection for improved drivability, cold starting and fuel mileage in one plug and play system. I have a GM 305 in my CJ with old style Holley 2D pro-jection, and I believe it is more suited for a larger motor, so I'm considering switching it out. I was using the Jeep as a daily driver so it still had regular tags and had to pass Apr 18, 2006 · Are there any good write up's (with pictures) on how to install a Howell TBI system on an AMC 304/360 ? Regards, Thomas Mar 16, 2025 · I have a 1980 Wagoneer with AMC360 motor. Right now I am planning on installing the Howell AMC TBI for the AMC 360. 00 Dec 28, 2024 · Looooove mine. When driving it is fine with the exception that it sometimes dies, without stuttering, after I hit it hard. 6 Cylinder - Quadratec Check out this link: Howell TBI Throttle Body Fuel Injection Installation Jeep CJ Emissions Howell Throttle Body Fuel Injection (TBI) for a Jeep CJ - 258 California Emissions Engine << Back - Page 2 - Next>> I am having issues with the idle. I am to the part of the Howell instructions where it mentions splicing into a purple wire going to the ignition module, but I have Aug 18, 2010 · I also have the Howell TBI. I was just looking at that link last night and curious if that install could be followed for a 360. 3L GM throttle body. Howell EFI has recently released a carburetion to throttle… To learn more or to order contact Howell EFI at www. I'm new to the forum, new to the AMC 360, and new to Howell kits, so that's a perfect storm of cluelessness right there. alifornia Smog Legal Version CARB E. First, the installation of the tbi, harness and related parts and sensors is the easy part. 50 state emission legal per CARB EO#D452. I spoke to the guys at Howell this morning and read over the C. There’s some good pics of set up several posts down. High pressure… Aug 17, 2013 · I really don't understand your adjusting fuel pressure by the amount of turns on the regulator which I assume is the one in the tbi unit and not an external one. Now, Howell, in response to customer demand, offers almost universal TBI kit coverage for any make or model V6 or V8 engine that uses ignition other than points. Dec 22, 2018 · MSD Atomic TBI does have an EO# but NOT for a Jeep. After about an hour or so of cruising my town, the engine just died on me. Description Part #K247JW360 Howell EFI announces arrival of new fuel injection conversion kit for classic Jeep Wagoneer and Grand Wagoneer Marine City, MI – March 10, 2015 -The 1971-’93 Jeep Wagoneer and Grand Wagoneer have a huge following among off road enthusiasts. Very popular for older street-driven vehicles or 4 wheel drive vehicles. 02 sensor, temperature sensor, adapter plate, hardware, and instructions. 2) GM parts are cheap and readily available anywhere in case something breaks. Jul 25, 2015 · I have been helping guys install DIY TBI systems on about any engine for about 15yrs now. 3 v6 set up on the 360 or do you need to use a 350 donor Jan 10, 2019 · I just picked up an '83 CJ7 with the AMC 258 i6 / 4. They were very helpful. AMC 304 with 360 Intake PCV Problem! Jan 2, 2010 · You can find enough info to do-it-yourself or just buy the Howell TBI conversion. There are three different types. Jul 27, 2006 · Howell was the GM engineer that developed the ecm for tbi. It fires right up after it Apr 29, 2015 · Part # CA/YJ258 JP1 Emission Legal Version CARB EO #D452 Includes all components plus a remanufactured 4. 10 gears, ARB 35 spline, Currie 35 spline axle shafts, 2 1/2" x 11" Ford drum brakes Mar 1, 2009 · Versus the Howell GMTBI which is basically a dirt-simple, "dumb" TBI systemfor $1600 + an aftermarket controller to allow the driver to tune his TBI after doing performance mods like adding headers and duals, or removing a Cat, or swapping cams. Kits are normally supplied with 400 CFM TBI units modified by Howell. The Affordable-Fuel-Injection system uses an O2 & MAP sensor and works best using a GM fully electronic HEI, ECM controlled distributor. Steve<br />1986 J-20 360 cid/auto, trac-loc, custom efis tbi, flowkooler, aluminum cross flow radiator, rhino-liner, working AC. I highly recommend it. I've noticed today on the first warm day that it started to overheat in traffic, entered the limp home mode, but was fine once I stopped and popped the hood to let some latient heat dissipate. Runs with stock Jeep distributor. AMC 401, Howell TBI, NP-435, Atlas 4. Before starting the actual installation, take the time to read these instructions completely. May 23, 2007 · 80' CJ7, 360 Howell Injected, 3" single exhaust, NP435 4spd, Dana 300 AA clocking ring, Currie twin stick, Tera-Low 4 -1 kit, Dana 44 front, cut 10" wider to 63", 4. The go to guy for fuel injection in the IH community is Bill Hamilton, with Hamilton Fuel Injection. Executive order that was given to Howell and I'm stoked! Jul 9, 2020 · Also, since the 304, 360 and 401 blocks are the same, Howell's EFI kits are for 304, 360, or 401. Aug 21, 2000 · I said re-install it because I thought there was some mention of the TBI being removed and a carb going back in. 0 FE-DOHC EFI swap Save Share Reply Quote Like B BaileyNB Discussion starter 447 posts · Joined 2018 #4 ·Sep 16, 2023 Feb 18, 2024 · Started on a Howell TBI install install and the included adapter does not fit for the Edelbrock performance intake manifold. 00 Feb 26, 2008 · jRations magazine published an article in their issue #8 (about last September, they don't use months), entitles "The Finer Points of EFI Installation", it covered things the Howell instructions don't really cover, like little bits and odds and ends you'll need to finish it up nicely; making sure EGR, Evap and the manifold heater still work; and options for air cleaners. Carb to TBI conversion kits offered by Howell EFI: TBI KIT: 1972-80 CJ 4. For emission legal version of kit order part # CAYJ258. $1200 Howell Engine Developments 2587280 19 - Howell Fuel Injection Conversion for 72-80 Jeep® CJ-5, CJ-6 & CJ-7 with 258c. I looked at all the commercial kits available, by they are not cheap ($900 to $3000). Howell suggests adding a spacer. Has anyone tried this out / how's the installation? Sep 18, 2013 · People have been doing junkyard throttle body injection (TBI) conversions on the 360s for years and this is a very similar process. Was driving around and everything operating as it should (New to me 1984 CJ7 bought in November of last year). High pressure fuel pump must be installed in DUI Distributor and Howell Fuel Injection Installation on Full Size Jeep Cherokee FSJ JeepTruck. 9K views 10 replies 9 participants last post by dickeypjeep Nov 20, 2007 O PREPARATION OF JEEP FOR TBI INSTALLATION The HOWELL JEEP EFI kit is a bolt-on conversion, but if you feel that you may not have the mechanical proficiency to perform the changes, then have an experienced mechanic do the installation. Runs with stock AMC… Part # K247J Kit converts any V-8 Jeep to ECM controlled throttle body fuel injection. This video shows the components on the engine connected to t Re: Howell TBI AMC 360 Overheating by shimniok » Tue Mar 28, 2017 7:34 am When you say overheating, what does the gauge read? Was it full into the red? There are a lot of possible causes to check out before going with electric fans which, as REDONE says, probably won't help. The throttle body is shorter than the original carburetor. e. Complete review and tips for installing the Howell fuel injection system on a 1990 Jeep Wrangler YJ using Chevrolet throttle body and Howell-modified computer. We have heard about the Howell system and since it is one of the more popular fuel upgrades right now we decided we should try Dec 30, 2019 · Easy Bolt-On Howell Fuel Injection & DUI Ignition Upgrades for Older Vehicles You Can Install in Your Driveway. Uses remanufactured GM throttle body appropriate for engine size. Kit includes all components plus a remanufactured 4. The question that occurs to me is, why try to re-invent the wheel here? It's been done plenty with the GM stuff and it works. If that wasn't in this thread, then my mistake, but I never said a thing about OEM TBI on an AMC 360, nor did I mean to even imply that such a beast ever existed. 4) Gas mileage improves marginally Mar 4, 2024 · 1972 Wagoneer - AMC 360, Howell TBI, S10 Blazer fuel tank/pump swap, Electronic Ignition 1973 International 1210 - Stock (for now) 1988 Mazda B2200 - 2. For converting an I6, V6 or V8 engine from carburetor to throttle body fuel injection. Sep 3, 2008 · Anybody done the Howell TBI install on an AMC 360 with an MSD box? I got the Howell system used and my rig was already setup with the MSD 6 box and the stock Motrocraft dizzy. My thoughts on the Howell TBI. First, you need to decide what type of system you want. Apr 29, 2015 · Part # K247A Universal V8 EFI Kit that inludes a new GM Electronic distributer, coil, and coil jumpers for complete computer controlled ignition for most GM V-6, Small Block, and Big Block V-8 applications. I had two cars that were candidates for it, my 1970 Hornet and my Classic wagon. Re: Howell TBI Install - installation tips by tgreese » Wed May 01, 2024 6:34 pm Air cleaner revision. Apr 29, 2015 · Part # JP258 Converts L-6 Jeep engine to EFI by adapting 4. The kit Howell Engine Developments K247J304-2BL Fuel Injection Conversion for 72-81 Jeep CJ-5, CJ-6, CJ-7& CJ-8 with AMC-304 8 Cylinder & 2 Barrel Carb The Q uadratec ® Difference Includes Phone Tech SupportFor the life of the product Satisfaction GuaranteedNo hassle return policy Guaranteed Lowest Price We'll match or beat any price* Ordered the Howell TBI setup today, anyone recall what size bolts are needed to plug air tubes in exhaust manifolds. Once I retired from the service I started my own company due to the constant demand for complete bolt on kits. Specify type and year of Jeep when ordering kit. BigThanks to Troy at Howell for the support, Jeff and his crew at O'Reillys on Midway Drive in Fitting a Howell TBI kit into a 1963 Rambler Classic Preparation Installation Initial start up Tuning I bought this kit from fellow AMC-lister Russ (thanks continually!) who originally bought it from Howell for a project that ended up not materializing (my lab is filled with such things). First I went to Summit and looked at what was Jan 9, 2024 · The Howell can't be tuned much by you and won't accommodate major engine changes without removal and reprogramming. Howell EFI has recently released a carburetion to throttle body fuel injection swap kit which includes May 8, 2012 · To install a Howell TBI kit with an HEI distributor on a Jeep 4. I'm thinking 3/8" fuel, 5/16" return? If you were starting from scratch Apr 29, 2015 · Part # K247JPV8 Emission Legal Version CARB EO #D452-1 Converts Jeep or other AMC V8 to ECM controlled TBI fuel injecion. I don't think that took more than an hour. Includes intake manifold adaptor for TBI unit, fuel pump, wiring harness, ECM, and all sensors. Install the TBI unit with the supplied gasket and hold down bolts. Install was straight forward and he even helped me fix an issue I had once installed. Helped get mine dialed in. First I went to Summit and looked at what was May 3, 2010 · Well the wife is soo excited about driving the CJ that she gave me the green light to get the Howell TBI fuel injection kit for it! Being here in California the Howell CA. It runs and idles well. ECM installs under… Apr 28, 2025 · Re: Howell TBI Install - installation tips by tgreese » Wed May 01, 2024 6:34 pm Air cleaner revision. Sep 3, 2008 · Sure would like to hear what you think of the Howell after you install and run it for a while. Jeep is a 1972 Wagoneer with 360 V8. poor idle/stalling This Howell TBI AMC 304 Install Manual maybe helpful in figuring some things out. Wondering if anybody had a diagram or if I should just call Howell? Apr 14, 2024 · 1972 Wagoneer - AMC 360, Howell TBI, S10 Blazer fuel tank/pump swap, Electronic Ignition 1973 International 1210 - Stock (for now) 1988 Mazda B2200 - 2. Yes, I know, im speaking in YJ, but this issue covers all the 4. Look at efisystempro.