Contact Us - 1.6L 124 Series Interference Conventional engines are not labeled interference engines because the cylinder and head configurations are similar to a typical V8 engine design, and the intake manifolds serve a dual function of both intake and exhaust. If you start hearing clanking noise when the engine is on, the timing chain is due for change. 1.6L SOHC Interference The camshafts are what open and close the valves in each cylinder, so it is important that the timing chain stays tight and does not slip off of the sprockets. 2.0L DOHC Interference, 1.5L (1A-C, 3A-C & 3E) Interference For those of you that are thinking, that the 302 came way before 1979 trust us, we know that. FOR SALE AT 500 CLASSIC AUTO - EXCELLENT MATCHING NUMBER 70 BOSS 302 WITH 60K ACTUAL MILES. All Honda engines are Interference except 3.0L & 3.2 which are Non-Interference. 1.8L DOHC Gasoline Interference However, they are not as durable or efficient as interference engines. where a "sealed" engine is necessitated PUSHROD CRATE ENGINES // 302. Belt driven engines like some of the 4 cylinders are not interference, but the valves will still hit if the belt breaks at 6000 rpm (Zetec for example). These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. 5.4L 928 Interference, DOHC Interference Is Ford 2.0 an interference engine? You might ask, is it important to know whether your car has an interference or non-interference engine? This engine was a direct result of Fords efforts to meet the ever more stringent CAFE requirements for fuel mileage. 2 Is my motor interference or non interference? It reaches speeds of 200MPH with ease. 1.6L DOHC Interference For instance, if the cylinders and pistons are damaged, there is no other option but to replace or rebuild the engine. Free shipping-ENGINE REBUILD KIT- 1968-1984 . Under the wrong conditions, any engine that jumps timing may be damaged. Both engines are available with either manual or automatic transmissions. Alright, we're just going to go ahead and say it there is SO much to talk about when it comes to Fords almighty small block. The 4.0 engine was used in a variety of vehicles, including the Ford Explorer, Ranger, and Mustang. I'm looking to do a full rebuild/engine build with mostly new parts. Most Popular for You: 11 Salient Questions to Ask When Buying A Used Car Welcome to the forum.the Ford 302 in a truck app. Its twin snorkel design drew cool air through the inner fenders via flexible rubber tubes. 1.6L SOHC Non-Interference There are several reasons why the Ford 4.0 V6 is considered a good engine. 2.5L 944 Interference An interference engine is one that has insufficient clearance between the valves. If the piston never gets far enough to reach the valves, that's a free-running . Yes its true! I just want to know if the chain snaps if it will destroy the engine or not.. Timing chain warns the driver unlike timing belts. Another way is to find out your cars engine model and check its engine type using the lists below. What characteristics allow plants to survive in the desert? Please consider this a guide only. The best place to go for anything Mustang related! 4.0L 740I Interference, All except SLX Interference 2.3L Diesel Interference The Zetec IS an interference engine, give that regular pistons will hit the valves. Just clear tips and lifehacks for every day. We also use third-party cookies that help us analyze and understand how you use this website. The pistons also move up and down, but they dont actually touch the valves. So, you have to expect that repair will be costly. Toyota brand comprises 13 non-interference engines, including 1.5L, 1.6L DOHC Non-Interference (Valves), 1.6L SOHC, 1.8L 7AFE, 4AFE, 4AF, 2.0L, 2.2L, 2.5L. In the past, Ive heard horror stories of shade tree mechanics installing such high lift cams, with radical timing, that the pistons hit the valves even though everything was timed correctly. However, to keep this article from getting too long-winded and boring you to death, we're going to cover some of the higher-level changes throughout the 1979 to 1995 era. The Ford 4.0 V6 engine is a popular choice for many Ford vehicles. In 1987, there were more changes to the 302. The 4.6-liter engines in the 1991 to 1998 Crown Victoria cars are interference engines. These cookies will be stored in your browser only with your consent. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Analytical cookies are used to understand how visitors interact with the website. . B204 (E, F, GT, FT) Interference The size zero (0) rating of the Kei class was instituted as a tax preference but also provided recognition that the small cars met Japans strict guidelines for road handling and safety. American 2V 351Clevelands came equipped with two barrelled carbs and as such the engine was designed to be the common version of the engine fitted to non performance cars. 1.6L DOHC (4A-F & 4A-FE) Non-Interference Is there a way to check the slack in the timing chain without pulling everything apart? The result is usually catastrophic engine failure. These engines 'breathe' better than non-interference, and they often have higher compression, which equals more power. 2.5L 4 Cyl. In thinking about this situation, the 302 might go either way on the freewheeling issue. 1.6L SOHC 8 Valve Engine (Tracker) Non-Interference It has a cast iron block and aluminum heads and uses regular unleaded gasoline. This engine type relies on timing belts, chains, or gears. It does not store any personal data. Its basically the same as any gadget or electronic items that you own. You also have the option to opt-out of these cookies. police engine package. 1.8L Diesel Interference 2.0L DOHC Interference Hopefully itll have the extra clearance to be freewheeling. An interference engine is one thathas insufficient clearance between the valves and pistons if the cam stops turning due to a broken timing belt. (B2300) Non-Interference 2.5L 4 Cyl. It featured a Motorcraft carb which was rated at 368.5 cfm and the intake manifold was cast aluminum. 3.0L SOHC 12 Valve Engine Non-Interference In 1984, Ford added its CFI or central fuel injection to the 4-speed automatic transmission Mustangs. The torque output is 250 lb-ft at 4250 rpm. Interference engines are common among the latest automotive models. Is my motor interference or non interference? In a non-interference engine, the pistons and valves have more space, and no collision occurs if the timing belt breaks while the cam is moving. 6 What makes a car an interference or non interference engine? This cookie is set by GDPR Cookie Consent plugin. This can cause serious damage to the engine. 5.0L 928 Interference Until next time, for all things 1979 to present Mustang and SVT Lightning; keep it right here with the real enthusiasts, LMR.com! Remove the radiator hose and coolant overflow bottle. 2.5L 4 Cyl. Pricing: ---Eautorepair.net--- 1 month subscription $19.99 per vehicle 1-year subscription $39.99 per vehicle 4-year subscription $59.99 per vehicle ---Alldatadiy.com--- 1-month subscription $19.99 per vehicle 1-year subscription $29.99 per vehicle 3-year subscription $129.99 Which one should YOU choose? If a valve and piston collide, serious engine damage will occur. Late Model Restoration has no affiliation with Ford Motor Company, Roush Enterprises, Eaton, or Saleen. 2.8L Non-Interference 3.0L Inline 6 VVT-i (1998 2JZ-GE) Interference All rights reserved 2023 Copyright RoadSumo.com. This is a high-performance SFI-rated harmonic dampener from Ford Racing. 2.5L V6 Non-Interference 2.0L DOHC (Contour, Escape, Focus, Mystique, ZX2 & 1999-2002 Cougar) Non-Interference 4.0 timing chains get sloppy, being off enough to make noise and driveablity concerns is different than the utter chaos that ensues when a timing belt breaks in an interference engine. . $542.02. 7 When to change the timing chain on a non interference engine? A single-snorkel air-cleaner was used and new for 1979 was an aluminum water pump and a single v-belt accessory drive belt. The Coyote V8 engine also concurrently debuted in the 2011 Ford F-150. However, the worst-case scenario is the possibility that the engine will get extremely damaged. The 4.0 OHV is a reliable engine, but it is known for consuming oil and developing valvetrain noise. This cookie is set by GDPR Cookie Consent plugin. This iteration of the five-liter engine was rated at 175 horsepower and 245 lb-ft of torque. Alternatively, you can take off the timing belt cover and look at how much clearance there is between the valves and pistons. What is used by primase to synthesize a primer? well i guess the 302 i bought lived a full life. 1.6L (Chevette & 1000) Non-Interference How To Know if you have a Timing Belt or a Timing Chain Watch on Audi 1.8L 1.9L Interference 2.8L V6 90 100 Quattro A4 A6 Interference BMW 2.5L 325I 525I Interference 4.0L 740I Interference Acura 4.5L 928 Interference Oil leaks are one of the most common problems with the 4.0L V6 Ford engine. What Ford engines are interference engines? The "7F29" casting date code means June 29, 1967 at Ford's Cleveland foundry. Interference engines made by Ford include its 1.6-liter single overhead cam engine, 2.0-liter double overhead cam engine, 2.2-liter engine, 3.0-liter single overhead cam engine and 3.3-liter engine. 3.0L SOHC 12 Valve Engine Non-Interference If it was me, I'd be ready for the worst, pull the engine and have at it. Do you need underlay for laminate flooring on concrete? Late-1985 CFI-equipped engines received a bump in power to 180 horsepower and 260 lb-ft of torque. You can do it by improving the compression ratio and allowing the valves to improve airflow. On the left is a 1970 vintage 302 harmonic dampener with a 28-ounce offset balance. Interference engines made by Ford include its 1.6-liter single overhead cam engine, 2.0-liter double overhead cam engine, 2.2-liter engine, 3.0-liter single overhead cam engine and 3.3-liter engine. 1.5L (3E-E & 5E-FE) Non-Interference Thanks for the welcome. 3.8L Interference, 2.0L 924 Turbo Interference For this reason, its important to keep up with the recommended maintenance schedule for your 4.0L Ford engine, which includes replacing the timing belt every 60-90 thousand miles. The 4.0L V6 Ford engine has been around for a while, powering everything from the Explorer to the F-150. Posted 5 months ago in San Antonio, TX. The Kei class was developed to promote small cars in response to oil shortages after World War II. This engine had an aluminum intake manifold, a two-barrel carb, and California-bound cars received a variable-venturi. Joel. This makes it a good choice for those who are not experienced in working on engines, or for those who want to save money by doing their own repairs and maintenance. Jun 15, 2012. If there isnt much clearance, its likely that your engine is interfering. 240 SOHC Non-interference Interference engines have tighter tolerances between the moving parts, which results in less vibration and wear. Additionally, interference engines typically have better fuel economy due to their higher compression ratios. Follow me on. The Ford Mustang comes with one of three engines a 4.0-liter V6 that makes 210 horsepower and 240 pound-feet of torque, a 4.6-liter V8 that makes 300 horsepower and 320 pound-feet of torque and a 5.4-liter V8 that makes 500 horsepower and 480 pound-feet of torque. Talk about your 8th and 9th generation Ford F150 trucks. S80 Interference 2.0L Non-Interference Is a 302 Ford an interference engine? From 1983 to 1985, the 302 didnt change all that much. Website content, text, & images Copyright 2023 LMR.com - All Rights Reserved. 5.0Resto, SVE, LMR are registered trademarks of Latemodel Restoration Supply, Inc. Ford, SVT, Special Vehicle Team, Ford Mustang, Ford Lightning, Mach 1, Mach-E, Shelby GT500, GT350, GT350R, New Edge, Boss 302, 5.0, Cobra R, Fox Body Mustang, Ghia, Turbo GT, SVT Cobra, Cobra Jet, Bullitt, California Special, Cobra, GT, V6, S197, SN95, S550, S650, Dark Horse, F-Series, F-150, Triton, F150 Raptor, Raptor, EcoBoost, Bronco, Bronco Sport, Badlands, Big Bend, Black Diamond, Outer Banks, Wildtrak, and Sasquatch are all registered trademarks of Ford Motor Company. 2.4L Diesel Interference What are the benefits of using a vibrating exercise machine? The distinctive fifteen-inch air cleaner assembly was derived from the 351 Ford LTD H.O. First, you can check your owners manual. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. Thus, this way, they will be able to check if there are damages inside the cylinders. 2.5L DOHC Interference 2.0L DOHC (Contour, Escape, Focus, Mystique, ZX2 & 1999-2002 Cougar) Non-Interference, 2.0L SOHC Gasoline (Escort, Focus & Tracer) Non-Interference, 2.0L SOHC Gasoline (Capri, Pinto & Ranger) Non-Interference, 1.6L DOHC (4A-F & 4A-FE) Non-Interference, 1.6L DOHC (4A-GE & 4A-GZE) Non-Interference, 3.0L Inline 6 (Except 1998 2JZ-GE) Non-Interference, 3.0L Inline 6 VVT-i (1998 2JZ-GE) Interference, 2.8L V6 90 100 Quattro A4 A6 Interference, 2.4L DOHC Non-Interference (Valves may hit if camshafts turn out of time), 3.0L SOHC 12 Valve Engine Non-Interference, 1.6L DOHC (1989-92 Prizm GSI) Non-Interference, 1.6L DOHC (1989-97 Prizm Except for 1989-92 GSI) Interference, 1.6L SOHC 8 Valve Engine (Tracker) Non-Interference, 1.6L SOHC 16 Valve Engine (Tracker) Interference, 3.0L Inline 6 VVT-i (1998-2006) Interference, 2.0L DOHC (626, MX-6 & Protege) Non-Interference, 2.0L 8 valve Non-Interference (However, there have been instances of bent valves), B5XXX five-cylinder inline engines Interference, The 16 Valve Volvo engines are all Interference. Technicians also have service manuals to check if the vehicle model features an interference or a non-interference engine. If you suspect that your timing chain may need to be replaced, its best to take your vehicle to a qualified mechanic or Ford dealership for diagnosis and repair. An interference engine is one that has insufficient clearance between the valves and pistons if the cam stops turning due to a broken timing belt. One of the reasons why the 4.0 SOHC engine is so popular is because it offers a great balance between power and economy. The cookie is used to store the user consent for the cookies in the category "Other. +1 on the Gates look-up chart. This bumped the compression ratio to 9.2:1. 2.0L SOHC Gasoline (Escort, Focus & Tracer) Non-Interference of oil about every 3000-3500 miles. These cookies ensure basic functionalities and security features of the website, anonymously. This engine is used in a variety of Ford vehicles, including the Edge, Escape, and Explorer. Just clear tips and lifehacks for every day. Non-Interference 2.5L V6 Non-Interference 3.0L SOHC Interference 3.0L & 3.2L SHO Non-Interference 3.3L Interference, 1.3L Non-Interference 1.6L DOHC Non-Interference 1.6L SOHC Interference 1.8L Non-Interference 1.9L Non-Interference 2.0L DOHC (Contour, Escape, Focus, Mystique, ZX2 & 1999-2002 Cougar) Non-, Get the BEST auto repair information Alldatadiy.com and Eautorepair.net are professional-grade shop manualsperiod. Besides, it always pays to know. (adsbygoogle = window.adsbygoogle || []).push({}); 1.8L 1.9L Interference The Ford 4.0 engine is a V6 engine that was produced by Ford from 2002 to 2012. If you suspect ignition coil failure, its best to replace all coils at once rather than just one at a time. Is the 302 in / 5.0 Liter an interference engine? 2.0L Diesel Interference Fords interference diesel engines include 2.0-liter, 2.3-liter and 2.4-liter units. And, thanks for the answers too. Non-Interference In Canada, Ford had a V8 engine in 1956 and called it the Y-Block, based on the flathead design that was used a decade earlier. The original Escort was powered by a 1.6L 4 cylinder, 69 horsepower engine with a two barrel carburetor. 2.2L Interference This cookie is set by GDPR Cookie Consent plugin. 2.0L DOHC Interference The cookies is used to store the user consent for the cookies in the category "Necessary". With over 30 years of experience in remanufacturing stock replacement, marine and high-performance engines, Tri Star Engines is . It sounds a lot like when. 3.3L Interference The new 5.0 carried an H.O. There is no definitive answer to this question as it depends on a number of factors, including the make and model of the engine, driving conditions, and personal preferences. The cookie is used to store the user consent for the cookies in the category "Analytics". The following list will provide you the information on whether your car engine is an interference engine or a non-interference engine. The new 5.0L V8 option was developed with the target to compete with the GM 6.2L V8 engine and the new Chrysler 6.4L Hemi. SOHC Non-Interference, 1.3L DOHC Interference If the timing belt or timing chain breaks, assess the damage as soon as possible. How many liters is a noninterference engine? This engine provides plenty of power for most applications, but it also gets good gas mileage. Alldatadiy.com offers redrawn diagrams as well as factory diagrams. The starter is spinning rapidly and I think the timing chain snapped. Non-interference engines on the other hand do not share the same powertrain components with normally aspirated, non-interference. n2.2L Gasoline Interference This 302 ran fine until this little boggle. A guy by the name George Stirrat (stee-rot) headed up the engineering group which was code-named The Canadian X Project. In this article, I will provide an interference engine list for several automotive brands. The Ford 302 has been used in quite a few Ford, Lincoln and Mercury models over the year including vans, pickup trucks and of course the popular Mustang. For 1997, revised cylinder heads increased output of the 5.0L V8 to 215 hp. The 4.2-liter engine, fortunately enough for enthusiasts, was only around for two model years which were 1980 and 1981. the 5.7 is an interference motor so there will probably be some kind of damage, anything from new heads to a piston, in either case head removal will be needed for diagnosis. In an effort to avoid the federal governments gas-guzzler tax in 1986, the Ford engineers developed their sequential electronic multipoint fuel injection with speed density management. V8 engine That saves a lot of time because you dont have to refer back to the component locator or circuit locations. Not so with a non-interference engine. 1.6L DOHC (Storm) Interference $5 Off Your $100 Mobile App Purchase . Eliseo Carrillo (7) offer up reviews. This may also cause one of the timing chains to break (typically the front left chain). 1.8L 124 Series Interference Finally, another common problem with this engine is head gasket failure. The camera will be inserted through the spark plug hole. The compression ratio was 8.3:1 and an a/c compressor cutoff was added whenever the engine saw wide-open throttle. The Ford 4.0 engine is a V6 engine that was first introduced in the 2006 model year. However, there are a few notable differences between the Coyote in the F-150 and the Coyote in the Mustang. 2007 GT: JLT intake, SCT tuner, Eibach Pro-kit (springs + struts/shocks), Currie Adjustable LCA's with Johnny Joint, BMR relocation brackets, MAC axleback exhaust, Powerslot rotors . The fastest Ford on Earth is the GT supercar, with an incredible 740HP. It should say somewhere whether or not your engine is interfering. If the piston travels far enough in the cylinder to actually hit the open valves, that's an interference engine. FORD 302 / 289 4.7L 5.0L V8 Master Engine Rebuild Kit w/ Stage-3 HP Camshaft. Interference engines, also known as "destructive head" engines are the ones that have little clearance between the valves and pistons and if the cam stops turning as a result of broken timing belt or chain, the valve (s) will bend or break. Any usage or mentions of these terms throughout our website and print ads are used for identification purposes only. Villager 3.3 Non-Interference, 1.5L Interference 3.8L Interference I, Dencan Brain BOIDAR, call myself a Torque master. The Ford 4.6L Crown Victoria had an interference engine from 1991 to 1998. 3.0L Inline 6 (1992-97) Non-Interference I have heard that some 302 high performance engines in the mustangs were interference due to high lift cams but not in the trucks. By clicking Accept All, you consent to the use of ALL the cookies. This cookie is set by GDPR Cookie Consent plugin. It was also used in some Lincoln and Mercury vehicles. The 3.2L and 3.0L DOHC (1989 - 1995) engines have a timing belt and are non-interference. Another common problem with this engine is intake manifold gasket leaks. This increases the lifespan of the engine and also makes it more efficient. You have to know the features of each one of them. The torque output is 250 lb-ft at 4250 rpm. 16 valve diesels Interference 1.6L DOHC Interference Yes your vehicle is an interference engine, therefore if the timing belt breaks then engine damage will result. This cookie is set by GDPR Cookie Consent plugin. All Honda cars from 1984 through 1996 have interference engines. This rating would carry over through the 1992 model year. At the same time, the valves will need to have a wider opening to improve airflow. The chain runs over a series of sprockets that are mounted on the camshafts. Many people believe that the Ford 4.0 V6 is a good engine, and its often recommended by mechanics and car experts. what year is your engine, stock or modified, on my 86 gt i cant really mess with the heads to much w/o notching the pistons for valve reliefs b/c of the flattops I think your safe with one of the newer engines 88-95. why do you ask??? Next time. 1.3L SOHC Interference It uses forged rods and a forged crankshaft, as well as traditional fuel injection. In 1980, Ford introduced a new version of its small-block V-8 engine. However, the Zetec ACTS as a freewheeling engine, given that Ford put recessed pistons in the engine to give the valves clearance to be fully extended and the crank can turn without the cams without damage to the pistons or valves. Its a reliable engine that is known for its durability and performance. These cookies will be stored in your browser only with your consent. Can I just replace my timing chain or is there potential valve damage? 1.8L Non-Interference These cookies track visitors across websites and collect information to provide customized ads. im not to keen on that use of the term "may live" haha, Small Block V8 (221, 260, 289, 5.0/302, 5.8/351W), Do Not Sell or Share My Personal Information, 2023 Super Duty Order Tracking / No Off Topic Please, 73 F100 302 with Mustang 5.0 stock headers. Belt driven engines like some of the 4 cylinders are not interference, but the valves will still hit if the belt breaks at 6000 rpm (Zetec for example). There is no interference in the Coyote V-8 engine, which has 302 ci. 4 When to know if your car has an interference engine? Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. They make sure that the valves are all closed when the piston is near the top dead center. Required fields are marked *. 4.19 out of 5 stars. 1985 was the last year of the carbureted 302 in the Mustang. This product can expose you to chemicals including chromium (hexavalent compounts), which are known to the state of California to cause cancer and birth defects or other reproductive harm. Necessary cookies are absolutely essential for the website to function properly. 1.8L Interference Does a Ford Fusion have an interference engine? Thus, being placed so high, the piston can never interfere with the valves. No compression on all cyls. All Ford Taurus engines apart from the 3.2L and 3.0L DOHC (1989 - 1995) have a timing chain and are interference. But opting out of some of these cookies may affect your browsing experience. The camshaft was taken from a 351 Windsor engine that Ford used in their Torino and a double-roller timing chain replaced the previous silent-link chain. How Do You Know If Your Engine is Interference? meaning, do the valves come far enough down into the combustion chamber that they overlap where the piston raises to before detonation (meaning they could be bent/shattered by the piston in the event of a timing chain failure)? The difference between an interference and non-interference engine is whether there is a gap between the valve that is fully open and the piston that is in the top position. This 5.0 high-output engine was rated at 157 horsepower and 240 lb-ft of torque. 3.0L Inline 6 (Except 1998 2JZ-GE) Non-Interference 2002-2006 Toyota Camry Used Car Reviews, How to Eat Chinese Food Like a Local | Chinese Adventures Part 4, China Part 1 How to get a Product Produced in China. 2.2L Diesel Interference 5.7 Hemi Problems [Dodge 5.7 Hemi Causes and Solutions]. Vehicle Transmission Drive Wheels [email protected] RPM Torque (lb-ft) @ RPM; Ford Edge Sport (2011 - 2014) Six-speed automatic: AWD: 305 @ 6,500 rpm: 280 @ 4,250 rpm How the duration of action of local anesthetics is increased? Please register or login to enable Dark Mode. If you are not sure whether your vehicle has interference or a non-interference engine, bring it to a car care shop. The "C8OE-6015-A" indicates a 302 block. If Im going to spend the big bucks, it will go toward an engine that does better than 185 Hp, and 10 mpg for sure. The 302 block has slightly longer cylinder skirts to accommodate the 302's .013-inch longer stroke. With Ford, generally anything with a chain is gonna be interference. Not so with a non-interference engine. Yes to non-interference design on that model (some others like SVT were interference design) but there have been people who bent valves when timing belts broke at speed despite the theoretical non-interference design. For 1985, the first roller-cammed 5-liter engine was offered. 1.4L Non-Interference But it did have some issues for a number of drivers. A thick timing belt, which looks sturdy, must be replaced if the belt is old because the threads weaken with age. Your email address will not be published. The engine block and cylinder heads were cast iron. I will not however, rebuild the engine if there was piston to valve damage. I recently started a blog about welding gear.I am also a DIY welding enthusiast because it is affordable for any household work. Non-Interference 2.3L 4 Cyl. Find FORD 5.0L/302 Ford small block Windsor Crate Engines and get Free Shipping on Orders Over $99 at Summit Racing! 2.5L V6 Interference 740 SOHC Non-interference 2.3L SOHC Gasoline Non-Interference The short answer is yes, This is Ford 4.0 An Interference Engine. 3.0L V6 Non-Interference Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. The roller design allows for more cam lift and more aggressive lobe profiles than traditional flat tappet designs. In 1989, Ford transitioned all of the Mustangs to the mass-air system. Acura All except SLX Interference SLX Non-Interference Chrysler It is a DOHC engine with 24 valves and produces 250 horsepower at 6000 rpm. 3.0L DOHC Interference Ford Focus (2005-2011) Compact cars like the Ford Focus have been around since 1998. 2.6L Interference Ford 4.0 Sohc Timing Chain Replacement Without Pulling Engine. Interference Engines - Complete List The following list will provide you the information on whether your car engine is an interference engine or a non-interference engine. I've always been fascinated with cars and tools accessories. Ford used its 2.0-liter engine in the 1993 to 1998 Probe, its 2.2-liter engine in the 1985 Ranger truck, and its 2.0-liter engine in the 1986 to 1988 Ranger. However, you may visit "Cookie Settings" to provide a controlled consent.