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Are you looking to perk up your engine? If so, you can't go wrong with a new set of headers, but finding the best headers is easier said than done. For example, you might wonder if you can swap 351 headers onto a 302 engine or whether Ford 302 shorty or long-tube headers will add more power to your ride.
Thankfully, we have you covered. in this article, we will cover some of the best Ford 302 headers on the market and answer common questions about the specifications of Ford 302 headers, how much power you can add, and much more.
How Much Horsepower Do Headers Add To A 302?
Installing headers on a Ford 302 small block engine can significantly enhance its performance by improving exhaust flow. Typically, a high-quality set of headers can add between 10 to 20 horsepower, depending on the overall setup and condition of the engine. The exact gain varies based on factors such as the design of the headers (shorty vs. long tube), the existing exhaust system, and other engine modifications. Long tube headers generally offer more horsepower gains at higher rpms compared to shorty headers (which produce more torque at lower rpms) due to their ability to reduce backpressure and improve scavenging effects. However, to maximize these benefits, it is essential to pair the headers with a free-flowing exhaust system and other performance enhancements like a high-flow air cleaner/cold-air intake, or an upgraded camshaft.
Will 351 Headers Fit On A 302 Engine?
While the Ford 351 engines and 302 engines share some similarities, their headers are not directly interchangeable. The main difference lies in the deck height and overall dimensions, which affects the placement and fitment of the headers. The 351 Windsor has a taller deck height compared to the 302, resulting in different header flange angles and bolt patterns. This means that headers designed for a 351 engine will not align properly with the exhaust ports on a 302 engine. For optimal performance and fitment, it is essential to use headers specifically designed for the Ford 302 small block engine. This ensures that the exhaust gases flow efficiently and that installation is straightforward, without the need for modifications.
302 Small Block Engine Headers Specs
The specifications for headers designed for the Ford 302 small block engine can vary depending on the model year and the intended application, whether it be street performance or racing. However, there are some common specifications to consider when selecting headers for a 302 engine. Typically, headers are available in materials such as stainless steel, black-painted mild steel, or ceramic-coated steel, with the latter offering better heat resistance and durability. The design of the headers can be either shorty or long-tube, with long-tube headers generally providing better performance gains due to improved exhaust flow. The primary tube diameter commonly ranges from 1-½ inches to 1-¾ inches for street applications, although racing headers may have larger diameters. Additionally, the collector size is usually 2-½ inches, with some high-performance options available in 3 inches. These specifications can vary based on the specific engine configuration and the manufacturer's design, so it's important to consult the product details to ensure compatibility with your 302 small block engine.
Best Headers For Ford 302
Plenty of headers are available for Ford 302 engines. Unfortunately, some headers are better than others, and finding the best fit for your needs can be difficult. Thankfully, we have a list of the best headers for a Ford 302 engine. Learn more about our top three choices below.
1. JEGS Metallic Ceramic Coated Long Tube Headers For 1964-1973 Small Block Ford Passenger Car (260-302W c.i.d.)
JEGS Metallic Ceramic Coated Long Tube Headers are a great choice if you're looking for long-tube headers. They're great for older Mustangs, Cougars, Falcons, and even Rancheros. Still, what makes these headers great is their design. They have a ceramic-coated finish that will shine for many years to come, and they also come with everything you need to complete the installation. You don't have to worry about finding gaskets, reducers, or any other hardware because these headers come with everything right out of the box. Still, there are some incompatibles you need to be aware of. The biggest one is that it won't fit manual transmission Mustangs or Cougars from 1971-1973 or automatic transmission Mercury Comets from 1966-1969.
2. JEGS Painted Long Tube Headers For 1979-1993 Ford Fox Body 5.0L
Are you rocking a Fox Body Ford Mustang? If so, these headers are a great choice and come painted. They fit most Ford 5.0s of the era and mount right onto your vehicle. You can also use these headers if you have a 1979 to 1986 Mercury Capri. This makes them a flexible option and a safe choice for most Ford 302 engines from 1979 to 1993.
It comes with everything you need right out of the box, including any gaskets and other parts you may need to complete the installation. The only caveat is that you must modify the stock exhaust system, which may not be legal in your area, so check with local emission laws. These headers are long-tube, so your engine will sound more aggressive and should experience a slight boost in power.
3. Hooker Headers Competition Headers For Ford 255-302W
Hooker is a well-known brand in the industry due to its dedication to using high-quality parts. What's more, these Hooker headers are compatible and flexible. You can mount them on classic Mustangs from 1964 to 1973 and some other vehicles, including the Ford Maverick, Falcon, Comet, and Cougar. If you have a small block 302 from this era, these headers will help you squeeze the maximum power out of them with the right tune. The only drawback to these headers is that they're only street-legal if the vehicle is pre-1974. While this shouldn't cause an issue for most cars with which these headers are compatible, it can cause problems for a few late 70's Ford Mavericks.
8 responses to “Ford 302 Small Block Engine Headers: Buying Guide”
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Hi Ken here, Texas! Do you see any issues with and what are your recommendations for my 1947 Lincoln Zephyr that has a Swap Ford 302 small black engine! I’ve heard shorty Huggies with maybe an obstacle with the drivers side steering box? Your assessment on getting this gem of a build finalized! Any advice or directions are truly appreciated, especially with a name of a specific header that will work best! Thank you in advance Doc RILO Texas, by way of Philly the North Side Germantown!!!!!!!!!!
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Ken, that is a great build and you are right to think ahead about clearance, especially on the driver side with the steering box. On a swap like a 302 into a 1947 Zephyr, space is always tight and there is no true off the shelf header designed specifically for that chassis, so fitment comes down to the engine position, mounts, and steering layout. Shorty or “hugger” style headers are usually the best starting point for this kind of setup because they keep everything tight to the block and give you the best chance of clearing the steering components. Even then, the driver side can still be close depending on how the steering box sits in relation to the engine. Brands like Sanderson and Patriot Exhaust both offer block hugger header series that are commonly used in street rod and swap applications like yours, and they are designed to help with tight engine bays. In some cases, you may still need to do a little modification or adjust the engine position slightly to get perfect clearance, especially around the steering shaft or box. The biggest factor is exactly where your engine is sitting and what steering setup you are running, since small differences there can change everything. With a build like yours, it is very normal to do a little test fitting and possibly minor adjustments to get it just right. You are definitely on the right track looking at hugger style headers for this application. If you would like to go over your setup in detail and make sure you get the best fit possible, give us a call at 1-800-345-4545 and speak with a Tech Specialist and we will be glad to help.
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I have a 1965 f100 with a 1974 302 from a Falcon. I am looking for shorty headers with a two bolt flange to bolt into my exhaust pipes. Do you sell anything that is a direct bolt on fit?
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Harry, with a 1965 F100 that has a later 302 swapped in, there unfortunately is not a true shorty header that is a guaranteed direct bolt on with a factory style two bolt collector that lines up to the original exhaust pipes. Most shorty headers that fit a 302 are designed around Mustang or car chassis, and while some of those will physically bolt to the heads, the steering box location, frame rails, and engine placement in the early F100 usually mean the collector angle and position will not match the truck exhaust without some modification. Brands like Hedman, Hooker, and Patriot all offer shorty headers for small block Ford applications that can be made to work in swaps like yours, but they typically require exhaust work such as rotating the collector, adapting the flange, or modifying the head pipes to get everything to fit and seal correctly. Because Ford changed exhaust routing and mounting so much between cars and trucks in the 1960s, a true bolt on solution with no exhaust changes is very uncommon. If keeping the two bolt flange and minimizing fabrication is the goal, the best approach is usually selecting a quality shorty header that clears the chassis well, then having a muffler shop adapt the existing pipes to the header collectors. If you would like help narrowing down which shorty header will fit your engine and chassis with the least amount of modification, give us a call at 1-800-345-4545 and speak with a tech specialist to handle any additional questions you might have.
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I’m looking to add some more horsepower to my 1987 Lincoln Towncar Signature. Would standard do body mustang headers fit you reckon?
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Hi Ashton, that’s a great question. Unfortunately, standard Fox-body Mustang headers won’t bolt directly onto your 1987 Lincoln Town Car’s 5.0 without some modification. While both engines share the same basic small-block Ford layout, the Lincoln uses a different chassis and engine bay configuration, which changes the angle and clearance for the headers. The steering shaft, starter location, and transmission crossmember often interfere with Mustang-style long-tubes or mid-length headers in the Town Car chassis.
If you’re looking for a clean fit, a set of shorty headers designed for the small-block Ford platform will be your best bet. Brands like BBK Performance, Hooker Headers, and Flowtech make universal and street rod–style shorties that work well in tighter engine bays while still giving you a bump in performance and sound. These can often be adapted with minimal exhaust routing changes compared to long-tube Mustang headers.
Since the Lincoln’s engine bay and accessory layout may vary depending on the year’s emissions equipment and whether it still has the stock transmission, it’d be best to verify your engine mount and steering clearance measurements before ordering. You can call us at 1-800-345-4545 and speak to a JEGS tech specialist who can help find the header setup that’ll fit your Town Car without extra hassle.
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I am looking to add HP by putting headers on a 302 Long Block in a 1985 F150. Any advise on what headers are a good fit and are available?
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Ed,
There are several options available from Hedman, Speedmaster, and JBA. If you go to http://www.jegs.com, click on “shop by vehicle”, and put in your 1985 Ford F-150 with 302 engine, you can filter the choices down to those brands. The difference is mainly the tube size, finish, and length. Feel free to give us a call at 1-800-345-4545 and one of our tech specialists will walk you through it. Appreciate you reaching out!
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