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I have an 88 yj , going to be installing the howell tbi kit, don't really like the idea of the external fuel pump and cutting all the existing gas lines. ... the fuel pressure regulator reduces the pressure to what is needed by the fuel injection by allowing fluid to flow back to the tank to relieve pressure. The fuel pump maxes out at maximum ...The 1971-’93 Jeep Wagoneer and Grand Wagoneer have a huge following among off-road enthusiasts. Howell EFI has recently released a carburetion to throttle body fuel injection swap kit which includes everything you need to swap over your 360 or 401 V8 to fuel injection eliminating all of the carburetor issues that plague these classic …Aug 18, 2015 · 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 TBI Conversion Kits Now Available for 1974-1993 Dodge Ramcharger and Plymouth Trailduster SUV ... TBI Fuel Pump $ 135.00. Select options ... #CA/JP258 – TBI ...Fuel Injection kit for 4.2l -87. Jump to Latest Follow ... The Howell kit is standard, off the shelf parts for the 4.3L TBI Chevy engines. It's all factory stuff. The computer is scanable to locate bad sensors. The rest of the engine is all 4.2L mechanicals. An engine swap could result in just as much "long term" trouble and after the dust ...1996 and later Vortec Products (15) 1999-04 GEN III Vortec Products (16) 2001-2006 Sequential Fuel Injection (13)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 …We did find one company that took the time and spent the money to get EO numbers for its retrofit kits: Howell Fuel Injection sells very affordable smog-legal fuel …Product Description. 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.Get the best deals for fuel injection kit at eBay.com. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Skip to main content. Shop by category ... Howell, fuel injection kit - used. Opens in a new window or tab. Pre-Owned. $560.00. derek_kurtz (85) 100%. 3 bids · Time left 3d 9h left (Sat, 04:20 PM ...Howell Engine Developments Fuel Injection Conversion for 72-81 Jeep CJ-5, CJ-6, CJ-7& CJ-8 with AMC-304 8 Cylinder, 4 Barrel Carb & Original Manifold $1,299.99 Similar ItemsThe Howell completely replaces fuel and spark with a mapped system that matches a specific engine profile. That's fine if you have a good stock 4.2 motor. The Holley system on the other hand relies on a stock ignition system (fixed by the existing timing curve of the distributor) and adds a superior self calibrating 'wide band' O2 sensor.With a small pipe cutter, we pulled the lines away from the frame far enough to allow the cutter room to move. Once the supply line was cut, we capped it and cut the return line per the instructions. We mounted the new electric fuel pump, filter and reconnected the two lines to the new throttle body.Best Selling Howell Engine Developments Accessories. Howell Engine Developments Fuel Injection Conversion (California Legal) for 72-81 Jeep CJ-5, CJ-6, CJ-7& CJ-8 with AMC-401 8 Cylinder. $2,328.99. Howell Engine Developments Fuel Injection Conversion for 87-91 Jeep Wrangler YJ with 6 Cylinder. $1,899.99.– 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…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 ...I'm assuming I can get the vibration damper that they sell in the magazines for the Mopar fuel injection kit and use that, since this is essentially similar to that kit. ... 1987 YJ 258 I6, NV 3550, TFI Upgrade, MSD 6A, TFX Exhaust, Smitty Sure Steps, Howell Fuel Injection 2.5" Rubicon Express Extreme Duty lift, 2" Body lift 1999 Cherokee Sport ...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 ...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...Another question is whether I order an emissions legal kit or an offroad only kit? My truck is smog exempt as long as i keep it under 5000 miles a year where I live currently, and it likely would be smog exempt many other places due to age. ... Howell and AFI (Affordable Fuel Injection) are really your only true turnkey solutions. Ethan Brady ...STEP 2 - Add EFI To Your FJ40. In addition to your Holley 2300 Sniper Kit, you will want to order the 12-130 HOLLEY IN-TANK RETROFIT FUEL MODULE. If you start poking around on the Holley website and notice the HOLLEY SNIPER EFI 2300 DROP-IN RETURN STYLE MASTER KIT, including a fuel pump, you will spend an additional $73.05.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 F/2F engines 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 ...cheapjeep71. 206 posts · Joined 2009. #4 · Dec 25, 2009. If I had the money, I would get the Mopar multi-point injection kit. It's much better than the Howell. But it is twice as much. 1990 YJ 4" BDS lift, shackle reversal, 33" TSLs. Like.i've been running Howell since 97 with no problems.Bought one fuel pump because a fitting broke and thats it.Its simple GM technology with parts available in any parts house.It contols fuel only and runs good with DUI HEI dizzy.Think you have to have the tach adapter but Howell sell it.MSD will run with it or the HEI module upgrade by …Attach the rest of the high pressure fuel line to the fuel pump, run it up the firewall, over the engine and attach it to the fuel port on the Howell TBI on the driver side of your Jeep using hose clamps provided with the kit. The other port is where you will need to hook up the bypass fuel return line. 40.GM TPI Products. Sort by. Parts & Accessories (11) Wiring Harnesses (7) Facebook. (810) 765-5100.EFI - Fuel Injection. Carburetors. Carburetor Components. Fuel Pumps Regulators and Filters. Also in Air & Fuel Delivery. Air Cleaners. Air Scoops. Cold Air Intake. Fuel System Kits.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...The Howell Fuel Injection Conversion TBI Kit is an essential upgrade for your Jeep. Two-barrel carburetors have been a disaster to keep running correctly. These computer controlled fuel injection systems are less sensitive to shock and vibration that results from extreme 4-wheeling. This system includes all essential components including a two ...Product Description. 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.Have the 304 in my Jeep, and have been thinking about getting a Sniper EFI by Holley or a Howell fuel injection conversion kit. I currently have a 2 barrel carb on it (not sure which one) and it doesn't run the best. It seems real rich at times, hard to get it to idle good, and sometimes hard starting... not to mention the dismal fuel economy.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 …I have a 1990 GW and I'm looking into getting a fuel injection kit installed. I did research online and ended up more confused than anything. I have very limited knowledge about the motor for the GW so any help would be appreciated. I've noticed fuel injection kits range from $600-$3000+. I've seen Howell, Sniper and Holley talked about lots.DougE. 795 posts · Joined 2011. #3 · Jan 16, 2020. Summit Racing has offset air cleaner bases. They move a 14" filter 1-1/2" so the distance from the center of the carb to the edge of the filter housing is 5-1/2". Maybe this could work for you? 1983 CJ7, 258I6, T4, Dana 300, 31x10.5x15 DuraTrac.– 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…MAP Sensor Mounting with Howell Injection. Jump to Latest Follow. 4K views 3 replies 2 participants last post by bpounds Oct 23, 2014. J. JMickey Discussion starter. 123 posts · Joined 2014. #1 · Oct 22, 2014. I installed the Emissions legal Howell fuel injection kit. It came with the newer small style MAP sensor, but no bracket.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.Howell EFI, a leading manufacturer of electronic fuel injection for older pre-computer vehicles of all types, has newly launched a user-friendly website, as well as introduced free ground shipping on orders over $500 to the lower 48 states, and a March Madness sale of 10% off any order. The March Madness promotion begins March 5, and extends ...182. 260K views 8 years ago. Matt Howell of Howell EFI talks about the features of all Howell Throttle Body Fuel Injection systems. For many years we've been known for our GM based TBI...50 State Legal Products. Jeep. General Motors. GM TBI Products. GM LS-Series Products. GM Vortec Products. GM LT1/LT4 Products 2014+. GM EcoTec3 Products 2014+.Is anyone interested in doing a group buy for Howell fuel injection kits? I called today and we can get the kits for $875 each plus shipping. This is the dealer cost on the normally priced $1095 kits. There is a minimum order of 5 required. I would be willing to place the order have the kits shipped to myself and then re-ship them to the group ...Modern automobiles and trucks use a fuel injection system to deliver the correct air and fuel mixture to be burned in the engine cylinders. The fuel injection system operates under...California Smog Legal Version CARB E.O. #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. Howell EFI has recently released a carburetion to throttle…Find many great new & used options and get the best deals for Howell Jeep - 304 360 401 V-8 AMC V8 TBI Fuel Injection Kit at the best online prices at eBay! Free shipping for many products! ... 304 360 401 V-8 AMC V8 TBI Fuel Injection Kit. About this product. About this product. Product Identifiers. Brand. Howell. Manufacturer Part Number ...- 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…Several years ago I started collecting old Handy Andy tool kits, like the one I had growing up. Expert Advice On Improving Your Home Videos Latest View All Guides Latest View All R...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. Improve your Jeep …1987 YJ Fuel Injection conversion-Howell. This build all started with a vision of taking a 1987 YJ and taking the troublesome carburetor out and installing a throttle body, converting it over to fuel injection. Being located in California we have some serious smog laws and getting these older Jeeps to pass smog can be a real headache.Summary. Holley’s Sniper EFI system is tough to beat in most situations. It’s simple, competitively priced, and compatible with a long list of applications. Pros. Covers most applications ...Howell EFI tach reference. Installed a Howell EFI eight years ago. Recently it failed smog due to the fuel pressure too high. Fixed it and went to the certified gross polluter smog who failed the vehicle because I had installed a DUI distributor and it doesn't have an EO# (yes moving from California would fix that but not the next problem).Mar 9, 2013. #4. The Howell kit needs an O2 sensor in the exhaust - that's a pretty easy job for any exhaust shop to do, they just need to weld a bung in the manifold. Crank position sensor...There's a wire that plugs into the distributor coil, not a sensor per se, but it should come as part of the wiring harness from the person selling the kit ...The silver lining is your investment in the TBI system. Aside from the long stroke and piston travel, the original 4.2L with a carburetor was not able to control air/fuel ratios like the Howell EFI. Rich fuel mixtures from a carburetor will fuel wash the cylinder walls (reducing oil protection) and hasten ring wear and taper.The Insider Trading Activity of ESTES HOWELL M on Markets Insider. Indices Commodities Currencies Stocks- 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 Fuel Injection conversion Jump to Latest Follow 3K views 2 replies 3 participants last post by BIGM Mar 30, 2008- 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…As far as I know there are three varieties of TBI 1) non spark controlled such as the junkyard and Howell version 4.3 GM. (by the way the only TBI that's California Air Resources Board approved is the Howell kit) Spark controlled junkyard, Affordable Fuel Injection kit and Weber Redline and the junkyard setup if you go to the trouble.Introducing Sniper EFI 2300 - Put an end to cold start issues, hesitations, vapor lock, and flooding. Upgrade to Sniper EFI and get the tactical accuracy of EFI today! These kits are the most complete Sniper master kits you can buy for your F or 2F powered Landcruiser. They include your choice of high quality Walbro inline or in-tank* pump ...1258 posts · Joined 2010. #21 · Aug 11, 2011. The JY TBI will be better for emissions than howell because it controls spark. Besides the harness and tb every other part can be purchased for less than a howell kit! If you take your time and lay the wires out it is really simple.By Engine Builder. Published: Jul 30, 2018. Howell EFI now offers almost universal TBI kit coverage for Ford vehicles with any make or model, V6 or V8 engine that uses ignition other than points. Designed to improve drivability, fuel mileage and cold starting, the Ford TBI conversion kits are available for 240 cid to 460 cid engines.© 2023 Howell Engine Developments (810) 765-5100 Search for: SearchHowell Fuel Injection is a company that specializes in the design, engineering, and manufacturing of fuel injection systems for classic and vintage cars. Their products are designed to improve the performance and economy of classic and vintage cars, and they provide complete fuel injection systems, components, and accessories for many makes and ......