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https://www.summitracing.com/search/year/1967/make/ford/model/fairlane/part-type/headers/engine-size/7-0l-427/engine-family/ford-big-block-fe, What is the best header for an 1986 Honda Prelude Si 2.0L with PFI. Stock manifolds car makers put on there vehicles are not made for performance and normally add a lot of back pressure. Long tube headers make more top end power than shortys but sacrifice low and mid range. so shorty shouldn't expect any kind of power gains? You may need to download version 2.0 now from the Chrome Web Store. Thanks. With stock exhaust manifold? The difference between headers and the stock manifold is how they are made. This site uses Akismet to reduce spam. I think it does. Stock headers are fine for N/A mild bolt ons. I want ceramic coated that will tie into the existing 2 1/2 exhaust. ). Headers come in a variety of dimensions and configurations for specialty applications, including fenderwell, dragster, and circle track headers. However, the primaries are not as long as full-length headers, so there’s increased clearance for lowered vehicles. The '11+ GT already has shorty headers from the factory so any aftermarket shorty header isn't likely to be much of an improvement. In a 75 XB Falcon, Hey I have a 1972 ford maverick Although shorty headers don’t always produce as much low- and mid-range power as full-length headers, they do provide significant power gains over stock manifolds and have the potential to produce higher rpm power gains. If it's a Coyote 5.0, any aftermarket shorty will be a waste of money even on a forced induction set up. The more power you make the more headers help you. Shorty headers will help power over stock manifolds. The compact dimensions make shorty headers a perfect choice for extremely crowded engine compartments or lowered vehicles where clearance is a concern. The longer primaries also reduce the chance of escaping gases getting drawn back into another pipe. They provide longer primaries than the stock manifold to help produce more of that coveted low- and mid-range torque and power. Here’s a link to to the 13 parts that fit a ’67 Fairlane with the 427 engine. Shortys make more low and mid range power and torque. If any of the recommended tuners are in your area, use them. Consider these five points: One of the main considerations in choosing a set of headers is the diameter of the primaries, which are the pipes that connect directly to the exhaust ports. I want the best headers to increase power, I have a 1970 Chevelle Malibu that I’m just beginning to make a motor swap to a ZZ6 engine. They provide longer primaries than the stock manifold to help produce more of that coveted low- and mid-range torque and power. If it's a 3V, mid-length shorties such as the JBA yield a useful TQ gain over the stock manifolds especially at lower rpm on a N/A set up. I have stock headers, direct fit high flow catted x, and hooked it all up to the V6 dual exhaust conversion I already had. While we are talking about aftermarket 'performance' parts that do absolutely nothing for performance but tend to lighten your wallet, let's not forget about aftermarket CAI kits. Stainless steel headers last longer than mild steel headers in extreme conditions, such as the environment in your engine compartment. This project will take all winter and one thing my mechanic Dad taught me is take your time and do it right. (You must log in or sign up to reply here. The room is very limited looks like would have to cut Learn how your comment data is processed. Such is … Pingback: How to Choose an Aftermarket Exhaust System, i have a 2017 chevy camaro ss with a LT1 engine. I will be changing over my cat-back Roush "on road" mufflers to a Roush Extreme system with the stock H-pipe. That still leaves me with a couple old school problems to solve. A good set of headers will actually build up enough exhaust flow velocity to create energy pulses that pull or scavenge spent gases from the engine. Mid-length headers offer some of the benefits of full-length and shorty headers. Trust me there is a big performance difference though they may look alike. Required fields are marked *. I would like to see all your short & long tube headers offered for my 67 Ford Fairlane with FE 427 engine with 2″ and larger primaries. Discussion Starter • #1 • Aug 8, 2014. Both will help a stock engine, but if you mod things, they help more. i would like to know which would be the very best headers for my car, What would you recommend for a 4.1 straight 6 cylinder ford engine. Best thing I ever did was to tear out the headers and go back to a stock exhaust system. The result is a broader torque curve in the low- and mid-rpm range. Having power gains is always good, but it is even better when those gains occur through the entire rev range. Tallahassee FL. The advantage of choosing a standard steel header is simple: cost. As we mentioned earlier, full-length headers typically use a 4-1 design to empty the primaries into the collector pipe. You get a significant performance increase compared to stock exhaust manifolds, at an off-the-shelf price. Our friends at Summit Racing sell short and long-tube headers for your ’67 Fairlane. A Corvette with stock manifolds can add ported manifolds, shorty headers, mid-length headers, and full-length (aka long-tube) headers. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices.

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