is a 302 ford an interference engine is a 302 ford an interference engine

To this day, the small block 302 is still strongly supported by aftermarket components. 2.5L 4 Cyl. 1.6L SOHC Interference 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. If you are not sure whether your vehicle has interference or a non-interference engine, bring it to a car care shop. Toyota Non Interference Engine List 1.5L (3E-E & 5E-FE) Non-Interference Contact Us - Website content, text, & images Copyright 2023 LMR.com - All Rights Reserved. The Ford 4.0 OHV is a V6 engine that was produced by the Ford Motor Company from 1986 to 2008. A car engine that runs on water? Until next time, for all things 1979 to present Mustang and SVT Lightning; keep it right here with the real enthusiasts, LMR.com! Are there any Honda engines that are non interference? 3.5L DOHC Interference The garage and the belt kit should both have warranty to cover something like this, depending on whether it was a defective part or incompetence that caused the issue. If you suspect an intake manifold gasket leak, its best to take your vehicle to a mechanic for diagnosis and repair. 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. The only Ford engines that are interference engines are ones equipped with variable cam timing (VTec) or variable valve timing (VTec-e). The 4G63 is an interface engine. These cookies ensure basic functionalities and security features of the website, anonymously. The 302 is freewheeling. These cookies ensure basic functionalities and security features of the website, anonymously. 2.2L Gasoline Non-Interference 1.6L DOHC (Aveo) Interference $600. 2.4L Diesel Interference ATK HP99F Ford Car 302 Drop In Engine 64-86 230HP. Alternatively, you can take off the timing belt cover and look at how much clearance there is between the valves and pistons. By clicking Accept All, you consent to the use of ALL the cookies. Overall, the Ford 4.0 V6 is an excellent choice for a car or truck engine. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. 1.6L SOHC 8 Valve Engine (Tracker) Non-Interference But it did have some issues for a number of drivers. Please register or login to enable Dark Mode. Yes your vehicle is an interference engine, therefore if the timing belt breaks then engine damage will result. 3.0L DOHC Interference (adsbygoogle = window.adsbygoogle || []).push({}); 1.8L 1.9L Interference 3.0L Inline 6 (1992-97) Non-Interference Oil leaks are one of the most common problems with the 4.0L V6 Ford engine. Analytical cookies are used to understand how visitors interact with the website. However, the worst-case scenario is the possibility that the engine will get extremely damaged. If you have any engines that use a timing BELT, the Internet is stuffed with info on which are interference or free wheeling. These cookies will be stored in your browser only with your consent. In an interference engine, however, one or more of the valves protrudes into an area through which the piston may travel. Find FORD 5.0L/302 Ford small block Windsor Crate Engines and get Free Shipping on Orders Over $99 at Summit Racing! 850 Interference Our 302 Ford crate engines for sale use stock OE heads but have a mild cam to give your old 302 new life. 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. S80 Interference XC90s Interference, Greg Macke is a car blogger and author of My 7 Secrets to Buying a High Quality Used Car. Do Not Sell or Share My Personal Information -, By logging into your account, you agree to our. 3.0L SOHC 12 Valve Engine Non-Interference The 5.0L became available in the AWD Ford Explorer in 1997. There is a sound coming from the engine that sounds like it could be the timing chain slapping the timing cover but I don't know. This is an unusually early 1968 302 block factory assembled as a 289. If you do not have a Ford Performance Account and would like to create one, . This 302 ran fine until this little boggle. Dec 26, 2011. Which means that the head needs to be taken out to get a valve job done. 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)? Answer (1 of 2): That depends on the manufacturer (there are several that make 3.5L engines). 4.19 out of 5 stars. If your 4.0 SOHC engine is making noise, it could be an indication that the timing chain needs to be replaced. 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. An "interference" engine is an engine which the failure of the timing chain would cause damage to either the pistons or the valves, due to interference between the top of the piston at TDC, & any opened valves. FlexOffers, Cool Automotive Products and Tool Recommendations, Ford Interference engines list Ford Non Interference Engines list, Read AUTO REPAIR ARTICLES sorted by topic, Toyota Interference engines list Toyota Non Interference Engines list, What is electronic brake force distribution (EBD), Reduced engine power message on Buick Encore,Chevrolet Trailblazer, Custom Wordpress Website created by Wizzy Wig Web Design, Minneapolis MN. While still very debatable, the power improvement over the 1993 engine was primarily from airflow improvements. Primarily, the 5.0L V8 in the F-150 received a lower compression ratio (10.5:1), intake camshafts with less duration, cast iron exhaust manifolds, and revised cylinder . 1.8L 7AFE, 4AFE, 4AF Non Interference Timing chain warns the driver unlike timing belts. In this article, I will provide an interference engine list for several automotive brands. What is causing the plague in Thebes and how can it be fixed? The SOHC engine is less powerful than the DOHC engine, but it is more fuel efficient. However, this also means that there is less room for error when it comes to maintaining proper timing between the pistons and valves. It is a V6 engine that features four valves per cylinder and dual overhead cams. B230Non American Interference If a timing belt breaks in an interference engine while the engine is running, the pistons and valves may collide, because they do not have enough clearance between them if the cam stops . 1.6L DOHC (1989-92 Prizm GSI) Non-Interference 3.0L DOHC Interference 2.7L Interference However, when you own a vehicle, you must know its features. Ford U.S. came up with two basic versions of their 351C, the 2V and the 4V. 2.0L Non-Interference Acura All except SLX Interference SLX Non-Interference Chrysler Reviewers love the 4.6-liter V8. 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. The Ford 4.6L Crown Victoria had an interference engine from 1991 to 1998. 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. but he said in his experience, these old 302's have very little valve clearance and it probably isn't worth the $500 to replace the timing chain since it is almost certain that I have bent valves as well This can cause serious damage to the engine. With over 30 years of experience in remanufacturing stock replacement, marine and high-performance engines, Tri Star Engines is . #4. If youre considering a vehicle with a 4.0 engine, its important to know the difference between the SOHC and DOHC versions. Come to think of it, Ive never seen a 302 in. 2.3L SOHC Gasoline Non-Interference If the timing belt or chain breaks, the valves can hit the pistons and cause severe damage. Is a 302 Ford an interference engine? The Kei class was developed to promote small cars in response to oil shortages after World War II. If you are not sure about the type of engine your vehicle has, the list above is expected to help you identify it. Ford 4.0 Sohc Timing Chain Replacement Without Pulling Engine. 1.3L SOHC Interference Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. The return of the 302 in the Mustang coincidentally came in 1982 which was the year the GT model returned to the line-up. Your email address will not be published. I've never done this before so reading/watc. The "7F29" casting date code means June 29, 1967 at Ford's Cleveland foundry. What are some interference engines made by Ford? Analytical cookies are used to understand how visitors interact with the website. Have used synthetic oil in it a lot, which seems to help. 1.4L Non-Interference Your email address will not be published. . 1.6L SOHC Non-Interference 3.6L Intereference, 1.0L Interference Modern interference engine models have bigger valves that open up to the combustion chamber. A non interference, or free wheeling engine is an engine where the pistons will not contact any open valves at any time. The 4.0 OHV is a reliable engine, but it is known for consuming oil and developing valvetrain noise. The fastest Ford on Earth is the GT supercar, with an incredible 740HP. 1.5L Interference B234 (F, G) Intereference 3.5L DOHC Interference, 2.5L Non-Interference 1985 was the last year of the carbureted 302 in the Mustang. For those of you that are thinking, that the 302 came way before 1979 trust us, we know that. 3.0L SOHC Interference, Villager 3.0 Non-Intereference Then its crate engine time, and Ill have a good quality, double roller timing chain to put on it! 4.0L Interference The same proven methods Greg uses when buying cars for his clients are available to you at: Copyright Greg Macke. This rating would carry over through the 1992 model year. (Image/Jim Smart) This cookie is set by GDPR Cookie Consent plugin. Our Price (USD): $3,394.00. You can do it by improving the compression ratio and allowing the valves to improve airflow. The standard 5.0 ratings in the LX and GT were lowered to 205 horsepower and 275 lb-ft of torque. This website uses cookies to improve your experience while you navigate through the website. This cookie is set by GDPR Cookie Consent plugin. When the engine is running, the valves open and close to allow air and fuel into the cylinder and exhaust out. From cylinder heads, camshafts, valvetrain components, and engine blocks; its hard to beat some old-school hot-rodding in a world filled with high-tech, state-of-the-art engine technology. 7 When to change the timing chain on a non interference engine? Free shipping-ENGINE REBUILD KIT- 1968-1984 . 3.0L SOHC Interference No compression on all cyls. It reaches speeds of 200MPH with ease. 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. Ford Escort. This is because repair options vary, depending on the type or severity of the damage. Is a Ford 4.6 an interference engine? The following is a list of popular Domestic and Asian engines and whether they or interference type or not. 2.0L Brava, Spider Interference, 1.3L Non-Interference This website uses cookies to improve your experience while you navigate through the website. 2.0L DOHC (626, MX-6 & Protege) Non- Interference The following lists will allow you to determine whether your vehicle has an interference engine or not. 1.6L 8 Valve Engine Non-Interference Non Interference engines are the type that have significant clearance between the valves and pistons. What Ford engines are interference engines? Non-interference engines on the other hand do not share the same powertrain components with normally aspirated, non-interference. You might ask, is it important to know whether your car has an interference or non-interference engine? 2.0L SOHC Interference 240DL 2.3 Non-Interference 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. B230E (high-compression) Interference 1.6L (Chevette & 1000) Non-Interference If you don't need the performance of a stroker and just need a reliable 302 Ford crate engine, look no further. 7.3s interference or non-interference engines. 4 When to know if your car has an interference engine? The difference between an interference and non-interference engine is whether there is a gap between a fully open valve and the piston that is at the top of its stroke. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. 3.3L Interference, 1.0L Interference When the piston is at the top dead center (TDC), both intake and exhaust valves are closed. This means that if the timing belt were to break, the valves and pistons would collide, causing major damage to the engine. Yes ALOT of Ford smallblocks had the nylon coated teeth and they can play hell. It pays to know. 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. First, its a very reliable engine that is known for its durability. The fastest Ford engine is the GT supercar, with an incredible 740HP. 2.0L DOHC Interference On the right is a 5.0L dampener with a 50-ounce offset balance. This engine had an aluminum intake manifold, a two-barrel carb, and California-bound cars received a variable-venturi. Simply as an Amazon Associate, we earn from qualifying purchases. The cookie is used to store the user consent for the cookies in the category "Other. How many liters is a noninterference engine? The new 5.0 carried an H.O. 2.6L Interference 6XXX six-cylinder engines Interference Interference engines are typically more efficient than non-interference engines because they allow for a significantly higher compression ratio. The cookie is used to store the user consent for the cookies in the category "Analytics". If the cam phasers can cause the valves to hit the piston if tuned wrong, then it has to be an interference engine in the first place. Saleen is a registered trademark of Saleen Incorporated. 16 valve diesels Interference Any suggestions or hints before I start? You have to know the features of each one of them. Late Model Restoration has no affiliation with Ford Motor Company, Roush Enterprises, Eaton, or Saleen. The latest vehicle models feature interference engines. 3.0L V6 Non-Interference We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. These engines 'breathe' better than non-interference, and they often have higher compression, which equals more power. 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. 2.5L V6 Non-Interference 3.0L SOHC 24 Valve Engine Interference The Boss 302 and 302 Cleveland may also be commonly referred to as the 5.0 Liter or 302 5.0. tappet cam. Up until 1993, the 5.0 would remain unchanged. 1.6L DOHC Interference Trucks/SUVs, yes. Its twin snorkel design drew cool air through the inner fenders via flexible rubber tubes. The Coyote V8 engine also concurrently debuted in the 2011 Ford F-150. 960 Interference The 302 cubic-inch engine was first referred to by Ford as a "5.0-liter" V-8, which was a metric unit of measurement rather than the U.S. customary notation. 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. Be careful not to damage the gasket surfaces when doing this. With Ford, generally anything with a chain is gonna be interference. Eautorepair.net redraws factory wiring diagrams in color and includes the component, splice and ground locations right in their diagrams. See more at: https://carbuyingsupport.com/, Your email address will not be published. Ford used cast iron for the engine blocks and cylinder heads throughout the production of the 302 in Fox Body and SN95 Mustangs. This is the definition of an interference engine: the valves, when fully open, extend into the cylinder area. My #8 intake valve makes a ticking/tapping noise. Can You Drive a Long Distance With a Plugged Tire? Unfortunately, with this type of car issue, there is a huge amount of labor involved. Please consider this a guide only. 2.0L DOHC Interference He is a professional car buyer and consumer advocate working closely in the industry to improve the buyers experience. The 4.0 SOHC engine was introduced in the Ford Explorer in 1996, and it quickly became one of the most popular engines in the Ford lineup. 3.2L Interference The camera will be inserted through the spark plug hole. Registered. It was also used in some Lincoln and Mercury vehicles. One of the reasons why the 4.0 SOHC engine is so popular is because it offers a great balance between power and economy. Another common problem with this engine is intake manifold gasket leaks. 1.6L SOHC 16 Valve Engine (Tracker) Interference A guy by the name George Stirrat (stee-rot) headed up the engineering group which was code-named The Canadian X Project. However, you may visit "Cookie Settings" to provide a controlled consent. Interference engines are often considered superior to non-interference. Yes, all 289/302/351 engines that I know of are definitely interference. 4.7L 928 Interference 1.8L DOHC Gasoline Interference 3.0L Inline 6 (Except 1998 2JZ-GE) Non-Interference All rights reserved. Does a Ford Fusion have an interference engine? The starter is spinning rapidly and I think the timing chain snapped. Interference engines are four-stroke vehicle engines with fully open valves, such that the valves move towards any area that the piston travels. Interference Engines - Complete List It pays to know. In this video, Landan goes over everything you need to know about the small block Ford 302 engine for 79-95 Mustangs. However, there are a few notable differences between the Coyote in the F-150 and the Coyote in the Mustang. At this point I am going to pull the front apart, and replace the timing chain. If there is a gap, the engine is called a non-interference engine. This means that if the timing belt snaps, the valves, and pistons will collide. What Is a Hemi Engine? This applies to engines with a timing belt and engines that use a timing chain. $542.02. The Zetec IS an interference engine, give that regular pistons will hit the valves. They include wiring diagrams and technical service bulletins. These cookies will be stored in your browser only with your consent. 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. 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. We also use third-party cookies that help us analyze and understand how you use this website. 3.0L SOHC 12 Valve Engine Non-Interference 2.0L Diesel Interference FOR SALE AT 500 CLASSIC AUTO - EXCELLENT MATCHING NUMBER 70 BOSS 302 WITH 60K ACTUAL MILES. This cookie is set by GDPR Cookie Consent plugin. Is Ford 2.0 an interference engine? When to know if your car has an interference engine? Condition: Used (normal wear) Vehicles - Auto parts & Accessories. 1.8L DOHC (Prizm) Interference What characteristics allow plants to survive in the desert? 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. The 4.0 engine is notable for its high power-to-weight ratio and low fuel consumption. The result is usually catastrophic engine failure. The Ford small-block V8 design work originally began in 1960. 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. FK Non-Interference engine Advertising - For 1985, the first roller-cammed 5-liter engine was offered. Just broken in good. But like any engine, its not without its problems. Best Tuner for 6.0 Powerstroke [Review and Buying Guide]. 3.5L Non-Interference, 2.0L Non-Interference This engine was rated at 140 horsepower and 250 lb-ft of torque with an 8.4:1 compression ratio. 2.0L DOHC Interference The 4.0 engine was replaced by the 3.5L Ecoboost engine in 2015 but remains available in some models. The cylinder heads were also revised and had a casting number of E7TE. 2.0L DOHC (Tribute) Non-Interference 2.5L 4 Cyl. By clicking Accept All, you consent to the use of ALL the cookies. If a valve and piston collide, serious engine damage will occur. The 4.6 engine was extremely impressive Innovation when it was created in the early 1990s. B5XXX five-cylinder inline engines -Interference If the timing belt or timing chain breaks, assess the damage as soon as possible. What is used by primase to synthesize a primer? The Ford 4.0 engine is a V6 engine that was first introduced in the 2006 model year. Just as the title says - is the 5.0 an interference engine? Interference engines are highly preferred because they are proven to breathe better, and their compression ratio is a bit higher, which guarantees better performance. Late-1985 CFI-equipped engines received a bump in power to 180 horsepower and 260 lb-ft of torque. If there is a gap between the valves and the pistons, the engine is called a non-interference engine. Back to main. This is because vehicle manufacturers aim to make engines increase their efficiency. 2.1L Diesel Interference PUSHROD CRATE ENGINES // 302. This means that more air and fuel can be compressed into the cylinders, resulting in a more powerful explosion when combusted. 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. Additionally, interference engines typically have better fuel economy due to their higher compression ratios. And if you bring your vehicle to a car care shop, the mechanic will use a borescope camera to assess your vehicle. 2.0L DOHC Interference, 1.5L (1A-C, 3A-C & 3E) Interference This can be caused by overheating or by excessive pressure in the cooling system (from things like a blocked radiator). We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Scroll down . Manage Preferences - where a "sealed" engine is necessitated PUSHROD CRATE ENGINES // 302. The modular motors are certainly interference engines. If youre tracking down a wiring issue, Eautorepair.net is the better choice. A thick timing belt, which looks sturdy, must be replaced if the belt is old because the threads weaken with age. a rocker arm is too loose, except perhaps a bit of a deeper tone. In 1980, Ford introduced a new version of its small-block V-8 engine. 1.6L DOHC (4A-GE & 4A-GZE) Non-Interference Unlike the previous years where there were two versions of the 302, there was now only one iteration of 5.0 with the addition of SEFI. The timing belt or chain is responsible for keeping the pistons and valves in sync with each other; thus, if this component fails or stretches, it can cause the pistons to strike the valves. 3.4L Non-Interference Not so with a non-interference engine. The cookie is used to store the user consent for the cookies in the category "Performance". This engine block was also gray instead of blue and this was the first year for gray. Mustang & Lightning Tech, Articles, How To Videos, 94-04 Mustang Tech, Articles, How To Videos, GT-40 version of the 5.0 in the '93 Cobra, 1979-1993 Mustang Coyote Engine Swap Parts, 1979-1993 Mustang Fox Body Exterior Body Parts, 1979-1993 Mustang Fox Body Interior Parts & Accessories, 1979-1993 Mustang Fox Body Restoration Parts, 1979-1993 Mustang Fox Body Suspension & Chassis Parts, 1994-2004 Mustang Coyote Engine Swap Parts, 1994-2004 Mustang Interior Parts & Accessories, Mustang 302 & 351 Cylinder Head Bolt Size Guide, The Ford 302 Engine | Everything You Need To Know. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. In the non-interference, the distance between the pistons and valves is quite large. The engine has seen some revisions since then, the most recent being in 2018. Remember that the timing chains have self-adjusting hydraulic tensioners, so there isnt a lot of slack when the get worn. The following list will provide you the information on whether your car engine is an interference engine or a non-interference engine. With Ford, generally anything with a chain is gonna be interference. This is because vehicle manufacturers aim to make engines increase their efficiency. If you have a Ford 4.0 Sohc engine, then at some point you will need to replace the timing chain. If the cylinders and pistons are in place, but several valves are bent, there might not be any need to replace or rebuild the entire engine. You can call me gearheads or petrolheads. Non-Interference 2.3L 4 Cyl. There are two main types of 4.0 engines: the SOHC (single overhead cam) and the DOHC (dual overhead cam). Fortunately, the 4.0L SOHC is not an interference engine so a timing chain failure wont bend the valves. Necessary cookies are absolutely essential for the website to function properly. If youre having trouble starting your vehicle or if its running rough, it could be due to ignition coil failure. 2.3L 4 Cyl. This may have been to distinguish the engines from the 300 cu Ford straight-six engine, otherwise known as the 4.9L. Yes its true! 1.8L Diesel Interference The 2.0L Duratec engine in these models has a non-interference design.This engine is paired with either a 5-speed manual or a 4-speed automatic transmission and has a maximum output of 140 horsepower and 136 lb-ft of torque.. For anyone looking for a dependable, affordable, and fuel-efficient vehicle, the . . 1.6L (LeMans) Non-Interference * 3.5LV-6 Non-Interference The Ford 4.0 V6 engine is a popular choice for many Ford vehicles. In thinking about this situation, the 302 might go either way on the freewheeling issue. It has a cast-iron block and aluminum heads. 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. In some cases, mechanics would even suggest replacing the entire engine instead. 3.2L Interference Factory diagrams are much harder to read. I question the timing chain on mine even tho its only got 123k on it. Ford Escape Abs Sensor Problems Cause & Fix, Can You Change Rod Bearings With Engine In Car, Ford Econoline Door Lock Problems (Full Guide), Ford E250 Transmission Problems (You Need To Know), How to Improve Engine Sound With A Camshaft Lobe Lift. Is the 302 in / 5.0 Liter an interference engine? SHE MAIN . Registered. The Zetec IS an interference engine, give that regular pistons will hit the valves. The 302 cubic-inch engine was first referred to by Ford as a 5.0-liter V-8, which was a metric unit of measurement rather than the U.S. customary notation. 1.6L DOHC (1989-97 Prizm Except 1989-92 GSI) Interference These cookies track visitors across websites and collect information to provide customized ads. On the left is a 1970 vintage 302 harmonic dampener with a 28-ounce offset balance.