Marine City, MI (September 14, 2022) – Howell EFI, recognized as a leading supplier of EFI and TBI systems for Jeep inline 6 and GM small block kits, 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 ...© 2023 Howell Engine Developments (810) 765-5100 Search for: Search– This kit does not have a California E.O. # (exemption order) – In the state of California this kit can be installed on 1975 or earlier vehicles only For converting an I6, V6 or V8 engine from carburetor to throttle body fuel injection. Uses remanufactured GM throttle body appropriate for engine size. Operates GM…The Howell EFI kit converts 258 Jeep engines to Electronic Fuel Injection by adapting 4.3L GM V-6 components and in-line electric fuel pump. Throttle Body Injection adapts directly to Jeep 2 barrel carb inlet manifold. Most of the old emmission plumbing is eliminated making for a cleaner and easier to maintain engine.Donald. 1986 CJ7. Fuel Injection, Dana 44s, T18, 4.10s w/lockers. The Team Rush Upgrade for the Jeep '78-'90 258 has been around for a long time. It uses the oem MotorCraft distributor with some changes made to make better spark. The parts list consists of an adapter, distributor cap, and rotor from a 1982 Ford 300 six.This stand-alone fuel delivery system retrofits GM's Throttle Body Injection System to a wide range of engines across all makes and models. The company manufactures a Jeep CJ -specific system that ...I ran the numbers and decided it was cheaper to get a donor for the driveline rather than to replace peugeot transmission, rebuild the 4.2, and get the Howell kit. If I am not mistaken the Howell kit was based on the performance fuel injection kit designed by Witte and is an upgrade. Here is the utube video installation instructions for ...Howell EFI’s manufacturing and office located in Marine City, MI. One company that decided to tackle this wiring problem head on was Howell Engine Developments. Started by Bill and Matt Howell, they are no stranger to engines. Bill is retired from General Motors, and most of his work with GM included engine development …#HI446 - International Harvester 446 CID TBI Conversion Kit $ 1,500.00 - $ 1,660.00. 670 CFM 2BBL Throttle Body (Recommended for modified engines) Heated Oxygen Sensor (Recommended for use with headers) ...Part # HM206 Brass adaptor designed to install heated oxygen sensor in water-cooled marine exhaust risers. Oxygen Sensor is sold separately.Adaptor should be installed in a flat area of riser at least 6″ before water blends with exhaust. It will not fit on round or oval risers without a suitable flat area. Basic machine shop…The Howell EFI LS-1 and Gen III/Vortec truck wiring harness is designed for manual or non-electronic transmission and includes mechanical throttle linkage. Options are available for emission connections or fan wiring. ... This kit fits naturally aspirated '14-'19 Corvettes (a kit for supercharged engines is currently in development).K&N 9" Round Air Filter Assembly for Howell Fuel Injection Kits. $139.99. 5 (2) Howell Engine Developments Fuel Injection Conversion (California Legal) for 72-80 Jeep CJ-5, CJ-6 & CJ-7 with 6 Cylinder. $2,184.99. Similar Items.Includes all components plus a remanufactured 4.3L Chevrolet throttle body to convert a 4.2L CJ or Wrangler Jeep to EFI. Specify type and year of Jeep when ordering kit. 50 state emission legal per CARB EO#D452. Many original emission controls are eliminated, which simplifies underhood area. ECM installs under dash.K&N 9" Round Air Filter Assembly for Howell Fuel Injection Kits. $139.99. 5 (2) Howell Engine Developments Fuel Injection Conversion for 81-86 Jeep CJ-5, CJ-7& CJ-8 with 258 6 Cylinder. $1,499.99. Similar Items.Howell EFI T-Shirt $ 25.00. Select options. Complete TBI Kits. #HF400 - Ford 400 CID TBI Conversion Kit $ 1,500.00 ... Add to cart. 454 & 502 TBI Kits. #F219 - Electric Fan Control Kit $ 50.00. Select options. Complete TBI Kits. #HF390 - Ford 390 CID TBI Conversion Kit $ 1,500.00 - $ 1,660.00. Select options. Ford. #HF370 - Ford 370 ...With many of their electronic fuel injection conversions, Howell EFI includes a drive-by-wire (DTW) pedal assembly that must be mounted in the new vehicle to control the throttle. DTW first appeared in Corvettes back in 1997 with the dawn of the C5 models delivering far improved throttle response than the previous cable-driven systems. By 2005-2007…Are you preparing for your driving theory test? Look no further than the Official DVSA Theory Test Kit App. This comprehensive app is designed to help you unlock your full driving ...Enter Howell EFI who has come to the rescue with a turnkey (literally) throttle body fuel injection conversion kit that upgrades the engine system of the 3.9L engine replacing the troublesome carburetion system with electronic fuel injection. This is a highly desirable upgrade for fans of off road operation who know well the advantages of fuel ...409. Location. Virginia Beach. Dec 3, 2020. #1. I had a couple questions for the guys who have been running the howell EFI kits on the 2F for an FJ40. I bought a used kit missing a couple items. I haven't started the install but resourcing the last tidbits. It may take me awhile but I plan on selling the take offs in the classifies maybe next ...Howell LT/EcoTec3 Harness - Available for LT1, LT4, L83, L86, LV3 V6. Marine City, MI, (April 11, 2019) - Howell EFI, long been known as a leader in EFI conversions since the late 1980's beginning with GM TPI conversions, GM TBI conversions for Jeeps, and 90's LT1 conversions now offers LT/EcoTec 3 conversion harnesses and accessories for GM direct injection swaps.Enter Howell EFI who has come to the rescue with a turnkey (literally) throttle body fuel injection conversion kit that upgrades the engine system of the 3.9L engine replacing the troublesome carburetion system with electronic fuel injection. ... The kits also all utilize the OBDI GM diagnostic capabilities so a customer can scan or perform non ...October 7, 2021 - Howell EFI, a leader in EFI conversion kits (GM/TPI/TBI) and wiring harnesses for direct injection swaps, now offers plug and play LT1/LT4 and EcoTec3 wiring harnesses for classic muscle cars, Corvettes and trucks. Howell now offers multiple options to transplant power for both automatic and manual transmissions and even ...– This kit does not have a California E.O. # (exemption order) – In the state of California this kit can be installed on 1975 or earlier vehicles only For converting an I6, V6 or V8 engine from carburetor to throttle body fuel …Howell EFI, Marine City, Michigan. 25,436 likes · 53 talking about this · 30 were here. Howell Engine Developments' goal is to reduce the difficulty in adapting late model GM engines or fuel...Part # YJ258 Converts L-6 Jeep engine to EFI by adapting 4.3L GM V-6 components and in-line electric fuel pump. TBI adapts directly to Jeep 2 barrel carb inlet manifold. Most old emmission plumbing is eliminated. Improves drivability and fuel economy. For emission legal version of kit order part # CAYJ258. GM ECM replaces Jeep…Howell EFI Now Offers LT1/LT4 and EcoTec3 Harnesses for Classic Corvettes, Muscle Cars and Trucks. Marine City, MI…. October 7, 2021 – Howell EFI, a leader in EFI conversion kits (GM/TPI/TBI) and wiring harnesses for direct injection swaps, now offers plug and play LT1/LT4 and EcoTec3 wiring…. Read More.I'm wondering if you have a genuine Howell EFI kit or something similar now. Maybe pulling the starter disconnected the crank signal wire for the ECM. ... In my opinion, I'd probably get the howell kit if i had emissions testing or the holley sniper efi with no testing. Build Thread 1989 YJ, Chevy 355 TBI, 4L60E, np231 ssye/wide chain/6 pinion ...Howell EFI offers eight different Throttle Body Injection (TBI) kits that can be used to convert classic International Harvester Scout trucks to TBI. Whether driven off-road, used for show or a daily driver, Howell’s TBI conversion kits are designed to convert classic Scouts (Scout 80, Scout 800, 810, Scout II) quickly and efficiently to fuel ...If you are a WordPress user looking to enhance your website’s performance, look no further than Site Kit by Google. One of the standout features of Site Kit is its seamless integra...Part # K247J Kit converts any V-8 Jeep to ECM controlled throttle body fuel injection. Remanufactured GM throttle body adapts directly to 2 or 4 barrel intake manifold, replacing carburetor. Contains all necessary sensors, wiring harness, ECM, and electric fuel pump. Runs with stock Jeep distributor. Great for serious four-wheeling. For emission 50 state …Howell Fuel Injection *FIX* FINALLY!! 05-18-2007, 12:14 AM. FINALLY!! Fixed this frickin' problem that has PLAGUED my Jeep for over a year and forced me to buy a new vehicle. Yep.. you heard that right.. buy a new vehicle. It was after I installed the system, and it ran great for a month, that it started having a problem.TUNED PORT FUEL INJECTION HARNESS A Product of HOWELL ENGINE DEVELOPMENTS 6201 Industrial Way Marine City, MI 48039 Phone: (810) 765-5100 ... any 1985 or later Tuned Port Fuel Injection and intake manifold on a Chevrolet small block V-8 engine. It is designed utilize the vehicle on-board computer, and all the GM preferred relays, sensors and ...FUEL INJECTION APPLICATIONS ... GEN IIWORTEC TRUCK EFI WIRING HARNESSES Howell Engine Developments, Inc. 6201 Industrial Way Marine City, Michigan, 48039 Phone: 810-765-5100 Fax: 810-765-1503 . INSTALLATION INSTRUCTIONS LSI AND GEN III (VORTEC) TRUCK EFI ... up kits using a vacuum switch and 4^ gear pressure switch to work on all transmissions ...The Howell TBI is a fuel injection conversion kit based on a TBI system found on GM 4.3 liter V-6 engines. This kit is one of only two made for Jeeps that can be ordered California smog legal. The other kit is the Mopar MPI but it typically costs twice the amount. Both the Howell TBI and the Mopar MPI solve the problems typically associated ...Howell EFI T-Shirt $ 25.00. Select options. American Motors. #HA360 - AMC 360 CID TBI Conversion Kit $ 1,500.00 - $ 1,660.00. Add to cart. 454 & 502 TBI Kits. #F219 - Electric Fan Control Kit $ 50.00. Select options. American Motors. #HA290 - AMC 290 CID TBI Conversion Kit $ 1,500.00 - $ 1,560.00.Are you curious about your family’s history and where you come from? Ancestry DNA kits can help answer those questions by providing detailed information about your ancestry and eth...Howell TBI EFI kit. For converting any V-8 engine from carburetor to throttle body fuel injection. Uses new GM throttle body appropriate for engine size. Operates with or without ECM controlled ignition. Very popular for older street-driven vehicles or 4 wheel drive vehicles with Chrysler or Ford engines.Part # HM206 Brass adaptor designed to install heated oxygen sensor in water-cooled marine exhaust risers. Oxygen Sensor is sold separately.Adaptor should be installed in a flat area of riser at least 6″ before water blends with exhaust. It will not fit on round or oval risers without a suitable flat area. Basic machine shop…Part # CA/CJ258 JP1 Emission Legal Version CARB EO #D452 Includes all components plus a remanufactured 4.3L Chevrolet throttle body to convert a 2BBL CJ or Wrangler Jeep to EFI. Specify type and year of Jeep when ordering kit. Emission legal version CARB EO#D452. Many original emission controls are eliminated, which simplifies underhood area. ECM…Mine is located on the passenger side on the firewall underneath the carpet. Probably not the best location but it works for time being but is easy to access if need be. 1986 Grand Wagoneer daily driver. 360 97xxx miles, Howell EFI, Davis DUI HEI. 4in Rusty's lift, 31in General AT's, open stock 3.31's with tow package.– This kit does not have a California E.O. # (exemption order) – In the state of California this kit can be installed on 1975 or earlier vehicles only For converting an I6, V6 or V8 engine from carburetor to throttle body fuel injection. Uses remanufactured GM throttle body appropriate for engine size. Operates GM…Part # YJ258 Converts L-6 Jeep engine to EFI by adapting 4.3L GM V-6 components and in-line electric fuel pump. TBI adapts directly to Jeep 2 barrel carb inlet manifold. Most old emmission plumbing is eliminated. Improves drivability and fuel economy. For emission legal version of kit order part # CAYJ258. GM ECM replaces Jeep…Howell EFI offers eight different Throttle Body Injection (TBI) kits that can be used to convert classic International Harvester Scout trucks to TBI. Whether driven off-road, used for show or a daily driver, Howell’s TBI conversion kits are designed to convert classic Scouts (Scout 80, Scout 800, 810, Scout II) quickly and efficiently to fuel ...HOWELL FUEL INJECTION KIT FOR 1972-1993 304, 360, 401 V-8 JEEP/AMC. Cj jeep tbi howell injection first fuel firing finished ready let K&n 57-1514-1 fuel injection performance kit for 97-06 jeep wrangler tj 87-'90 yj 4.2l 258 fuel injection kit ca emissions legal - cbjeep.The Howell EFI 4.3L wiring harness for GM Vortec SBC engines can be sold either for manual or electronic transmissions. Designed for the installation of 1996 - 2007 4.3L Vortec truck engines into other vehicles, this wiring harness (part #HV43) allows for Sequential Fuel Injection (SFI) and operates with all stock sensors.#CA/YJ258 – TBI KIT: JP1 Emission Legal Version CARB E.O. #D-452 1987-91 YJ Wrangler 4.2L $ 1,595.00Marine City, MI (September 14, 2022) – Howell EFI, recognized as a leading supplier of EFI and TBI systems for Jeep inline 6 and GM small block kits, 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 ...- This kit does not have a California E.O. # (exemption order) - In the state of California this kit can be installed on 1975 or earlier vehicles only For converting a V6 or V8 engine from carburetor to throttle body fuel injection. Uses remanufactured GM throttle body appropriate for engine size. Operates GM engines…GM TPI Products. Sort by. Parts & Accessories (11) Wiring Harnesses (7) Facebook. (810) 765-5100.Ignition Module Has A 6 Month Limited Warranty Through The Manufacturer. Parts Of This Kit May Ship Directly From The Manufacturer And May Take A Few Extra Days. PLEASE CHOOSE THE CORRECT YEAR RANGE ON THIS KIT. TEAM GRAND WAGONEER THROTTLE BODY INJECTION CONVERSION KIT PART# TBIV8. Kits Options: 1974-1977. 1978-1987.How to install a Howell Electronic Fuel Injection on a Jeep Wrangler.We have heard about the Howell system and since it is one of the more popular fuel upgra...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. Howell's Chrysler TBI systems improve starting and idling with a more consistent tune that equates to improved fuel mileage and drivability.Treeclimber. 1824 posts · Joined 2005. #23 · Apr 15, 2016 (Edited) I run Howell EFI on my fuel injected AMC 401 V8. It runs perfect. You should be able to take your 360 to any Chevy dealer and plug in the Tech1 scanner (which is obsolete, by today's standard) and do a complete diagnosis of your system.409. Location. Virginia Beach. Dec 3, 2020. #1. I had a couple questions for the guys who have been running the howell EFI kits on the 2F for an FJ40. I bought a used kit missing a couple items. I haven't started the install but resourcing the last tidbits. It may take me awhile but I plan on selling the take offs in the classifies maybe next ...Howell EFI announced that it now offers plug and play LT1/LT4 and EcoTec3 wiring harnesses for classic musclecars, Corvettes and trucks. ... The All-In-One Kit by KBS Coatings is a DIY, user-friendly all-Inclusive kit uses KBS Coatings' three-step system that consists of KBS Klean to clean surfaces, RustBlast to remove surface rust, and ...The Howell EFI LS-1 and Gen III/Vortec truck wiring harness is designed for manual or non-electronic transmission and includes mechanical throttle linkage. Options are available for emission connections or fan wiring. ... This kit fits naturally aspirated '14-'19 Corvettes (a kit for supercharged engines is currently in development).- This kit does not have a California E.O. # (exemption order) - In the state of California this kit can be installed on 1975 or earlier vehicles only For converting an I6, V6 or V8 engine from carburetor to throttle body fuel injection. Uses remanufactured GM throttle body appropriate for engine size. Operates GM…Howell EFI, Marine City, Michigan. 25,436 likes · 53 talking about this · 30 were here. Howell Engine Developments' goal is to reduce the difficulty in adapting late model GM engines or fuel...When it comes to constructing a new building, durability and longevity are two key factors that should never be compromised. Whether you’re in need of additional storage space or l...Fuel Injection. If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below. ... To start viewing messages, select the forum that you want ...NEWS & TECH. Howell EFI Launches New Website, Introduces Free Shipping and March Madness Promotion. Howell TBI Conversion Kits Now Available for 1974-1993 Dodge Ramcharger and Plymouth Trailduster SUV. Howell EFI Introduces TBI Conversion Kits for Classic International Harvester Scout Trucks.Howell EFI, a recognized leading supplier of EFI and TBI systems for hot rods, muscle cars, and classic Jeeps and trucks, now offers multiple wiring harness kit options ideal for LS swaps into classic Range Rover and Land Rover SUVs. The LS swaps, popular because of their improved reliability, ease of maintenance, and added horsepower, are a ...With the subject being Howell's Jeep EFI kits, no it won't. Howell changes the prom included in their kits to remove the spark control. It has to be programmed back in if you want spark control (along with adding the correct wiring). This isn't an OEM '89 Chevy E-prom we're talking about.Howell EFI Introduces Ford TBI Kit for Carbureted 6 Cylinder and V8 Ford Applications Marine City, MI (August 16, 2019) - Howell EFI, the conversion experts since 1988, is well known for the company's large number of Jeep TBI…Joined. Jul 28, 2001. Messages. 3,736. Jan 17, 2006. #6. I have installed about 6 Howell EFI systems on Broncos, Jeeps and Dodge products and they all ran fantastic. The GM throttle body injection system is dead reliable and runs well, but whoever said it is glorified carburetion was right.Howell EFI T-Shirt $ 25.00. Add to cart. 454 & 502 TBI Kits. #DF220 - Dual Fan Control Kit $ 95.00. Select options. Complete TBI Kits. #HD360 - Chrysler 360CID TBI Conversion Kit $ 1,500.00 - $ 1,660.00. Add to cart. 454 & 502 TBI Kits. #F219 - Electric Fan Control Kit $ 50.00. Select options.I just picked up an '83 CJ7 with the 258 motor and the California-CARB-certified Howell JP1 throttle body fuel injection kit.I'm now trying to get it legitimately through smog, and I'm currently held up on a high idle. It runs and idles well. It sometimes stumbles when warming up, but always starts and very rarely stalls. When warm, it idles at 900-1,000rpm and I need it to idle at 700-800rpm ...GM TPI Products. Sort by. Parts & Accessories (11) Wiring Harnesses (7) Facebook. (810) 765-5100.Howell sells their kit as a complete system, essentially sourcing all the parts and pieces for you and combining it. What you will get is a GM ecm (the same one used in millions of gm installations from mid 80s to early 90s) throttle body MAP sensor, coolant temp sensor, O2 sensor, wiring harness and throttle body adapter, and with some kits ...#HI345 - International Harvester 345 CID TBI Conversion Kit ... Howell EFI T-Shirt $ 25.00. Add to cart. 454 & 502 TBI Kits. #DF220 - Dual Fan Control Kit $ 95.00. Select options. Complete TBI Kits. #HI304 - International Harvester 304 CID TBI Conversion Kit $ 1,600.00 - $ 1,660.00. Select options.Once we got the Howell throttle-body EFI kit on, we headed back to Orange County Corvette to get another pull on the dyno. Our horsepower numbers were still lower than expected (this was not a ...I had the Howell TBI kit on the way anyways, so I decided to just go ahead and start removing everything in prep to install the FI system. I removed the old ECM and the wiring harness. ... '88 Sahara, 4.2, Sniper EFI, HEI, ax-15, RE 2.5" springs 2 1/2"Magnaflow, np231, Hardtop, 31x10.5x15 Ko2's. Adams shafts. Save Share.I'd start by using a timing light just like you did with a carb, unless the Howell kit came with a distributor. Then, the Howell setup may use the computer to set the timing. If you don't have a timing light, you can set the timing with a vacuum gauge. Simply set the timing to make the highest movement on the gauge. Good Luck, L.M.– This kit does not have a California E.O. # (exemption order) – In the state of California this kit can be installed on 1975 or earlier vehicles only For converting an I6, V6 or V8 engine from carburetor to throttle body fuel injection. Uses remanufactured GM throttle body appropriate for engine size. Operates GM…