can you have a supercharger and a turbo

However, on the exhaust side, with the increase in charge mass trying to escape the cylinder, additional duration helps reduce the pumping losses, especially with centrifugal superchargers that shine at higher engine-RPM. Regardless of what form of induction you are using, there are two major factors which need to be considered when determining the proper camshaft specifications: the pressure at the intake valve, and the pressure at the exhaust valve. You can also run a narrower lobe separation angle than other forms of forced induction, but has to be weighed against the potential to have “blow through” during valve overlap. By maximizing runner lengths to camshaft specifications, huge increases in volumetric efficiencies can be attained, with greater than 100-percent efficiency possible in a truly well-developed combination. Generally speaking, superchargers are believed to boost the engine better than turbochargers. Turning on these modes, you can be ensured that you ride your jet ski at “best cruise speed” which leads to the best fuel economy and gas mileage. Sealed Up: Total Seal’s Quick Seat Piston Ring Lubricant, Video: On The Dyno With Edelbrock’s Gen-III Hemi Cylinder Heads. While we’ve been very general in our explanations, the reason for that is twofold. Some Volvo’s use a small supercharger to boost power off the line, the turbo taking over after it spools … Turbochargers are a unique animal which have confused many over the past decades. A positive displacement supercharger sits on top of the intake manifold (typically), and makes peak pressure at low RPM's. Two, the subject matter itself is so extremely advanced, people far smarter can write books on the topic, and we’re limited to this single article for now. We'll send you raw engine tech articles, news, features, and videos every week from EngineLabs. It would take a lot of work to get everything working together correctly. By adding exhaust duration, opening up the lobe separation angle, and adding intake duration, not only is cylinder pressure lowered but the engine’s powerband is raised. Then you feel a noticeable kick in the pants as the power hits. All rights reserved. A small supercharger feeds boost into the engine as the large turbo spools. However, thanks to companies like Comp Cams, who prefer to see its customers educated, and enjoy sharing immense knowledge, videos like this one can be brought to you. I've seen a 240 SX built as a supercharged turbo, though this example the man used it on an official Drift track. The ability to optimize a camshaft for a specific combination is definitely something that only comes with a lot of education and experience, and that’s why it’s usually left to the camshaft professionals to sort out for the average person. If you need the whole replacement turbo or supercharger, we have that too. Mark helpful. So, whether the job calls for new Dodge Ram turbochargers or a new Chevy Silverado turbocharger, you can count on AutoZone to provide you with the right products. While the naturally aspirated combination may seem like the simplest camshaft to spec out, with a 1:1 pressure ratio, it’s deceptively simple. Manufacturers have made great strides over the years to reduce lag, but it’s still there. The increased intake charge density requires enhanced exhaust scavenging in order to draw in the heavier charge. I'd put the extra money in suspension mods to keep it on the road with that kind of power. If I run them both at 7 psi the turbo seems to have … You indeed can supercharge and twin turbo a car, but a cold air intake is not in there. Just have to tweak the computer Treating a turbocharged combination like a naturally aspirated one also allows an earlier exhaust opening, which reduces cylinder pressure by the time the intake valve opens, further increasing the engine’s efficiency. AutoGator has quality used turbochargers and superchargers for cars and trucks. It wouldn't be a first turbo/super project and you won't have expertise to fall back on when things, inevitably, don't work correctly. I only want to add an intercooler on my car. To get from the supercharger outlet to the intercooler you must go behind the sway bar, over to the right side of the radiator, and then up and over the front part of the skid bar assembly. Having both installed means you can use either one depending on the climate. This is because of their more straightforward installation in comparison to other forced induction choices and the amount of horsepower they add to your build. 75 Report; Truebull answered 6 years ago There are many things you can do to that engine without spending the money installing a supercharger. In short, no. Mark helpful. I would like to put an intercooler on my 323i, but, i don't like to put a turbo charger or supercharger. You set the header length so that an overtone is reflected back as a negative wave arriving back at the chamber at intake opening,” says Comp Cams’ Billy Godbold. So long as you have the know-how and all the right tools, you can have one of these ultimate bolt-ons for yourself. Besides, that’s what the tech team at Comp Cams is for. A turbocharger and supercharger are both designed to pressurize the air and/or air fuel mixture, going into the intake manifold. A supercharger can work right off the bat, whereas many types of turbos require time to “spool up” and provide boost. Bottom line it's a cost thing. The density of the intake charge is increased with the addition of gaseous nitrous oxide, as well as an additional fuel charge. Companies like Volvo have opted to use both a turbo and a supercharger in new vehicles. The B-17 used this very configuration in order to provide the power it needed to reach altitude. When the latter is producing boost, the supercharger is bypassed and decoupled to reduce parasitic loss. Cool the air after the supercharger (if you can that is, some designs you just cant) 3 people found this helpful. Some key advantages turbochargers have over superchargers are better fuel economy and a longer lifespan. This delay is known as turbo lag. With the positive pressure on the intake side, you aren’t reliant on piston motion to impart motion on the intake charge, and as a result, you can open the intake valve earlier than in a naturally aspirated combination. Step 1 Determine where you want your power-band to be. Ask MetaFilter is a question and answer site that covers nearly any question on earth, where members help each other solve problems. “In a normally-aspirated engine with headers, the exhaust pulse from the exhaust opening travels out as a positive wave. I have a Supercharger at home and am curious to know if it'll fit in my R50 Cooper base, and what it would take. Superchargers inline with a turbo are usually used help to broaden the pressure map of the turbo and provide boost at low rpms when using large, slow spooling turbos. All posts copyright their original authors. The supercharged vehicle delivers power at a faster rate and while traveling at lower RPMs. Seems to me the reason you might want to do this is two-fold: by starting with the supercharger you elliminate the turbo lag, and when you switch from super to turbo you're using exhaust gases, rather than the engine to blow more air in. With nothing but mother nature’s atmospheric pressure to assist in getting air into and out of your engine, it all falls on the shoulders of piston motion and camshaft specs to make power. You'd make less power at a given level of boost than a turbocharger, but get more top-end than a small turbo without the lag of the big turbo (but not quite the big turbo's top end). The SC runs very consistent and has very snappy bottom end but it's hard on fuel especially if you have to run a trail for a ways to the Backcountry compared to the turbo. As others have said twincharging has been done lots, both on cars and airplanes. The response is immediate, and the operating temperatures are generally cooler. Obviously, no one is going to be able to spec out their own camshaft – let alone a forced-induction camshaft – after watching a five minute video and reading a single article. © 2020 Power Automedia. On the exhaust side, you have an significantly increased mass of exhaust gasses (over a naturally aspirated combination) needing to get out of the engine. One thing with supercharged and turbocharged combinations, is that the heavily compressed intake charge loses velocity compared to a lighter, less-dense naturally aspirated charge. It pushes air into the engine, increasing its density and allowing the engine to have more oxygen-intake cycles. The biggest cause of this is due to the fact that turbos are run by the exhaust gases coming from the … This also reduces the notable stress on the components in the lower RPM range while assisting with traction. They can help point you towards the right camshaft profile, whether it’s on the shelf or a custom grind. Always interested in how things work, he enjoys sharing his passion for automotive technology with the reader. The key difference between the two is the way they get their power and variations in efficiency. “We can use piston motion and some wave tuning to get charge motion at a lower velocity and with less valve timing,” Godbold explains. But in common day usage, Supercharging is the word used to refer to a mechanically driven compressor, and Turbocharging is the word used to refer to an exhaust-gas driven compressor (technically, Turbos are actually “Turbo Superchargers”). Supercharging provides charge motion on the intake side, independently of piston motion. 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But what power there is, is immediately … A super charger can have slightly less power gain because it takes more horsepower to run the super charger. However, if you are able to walk away with a better understanding of the challenges posed by the various engine configurations, you’re a leg up on a majority of enthusiasts. Both the supercharger and turbo are going to give you significant power increases because they draw additional air into the engine. A turbo is powered by exhaust gases, and a supercharger (blower) is belt driven, but the end result is pressure at the manifold, instead of vacuum. Two Technologies with One Purpose Recommended to you based on your activity and what's popular • Feedback A heavy nitrous application, there are a number of unique considerations. Build your own custom newsletter with the content you love from EngineLabs, directly to your inbox, absolutely FREE! Optimizing a camshaft for a naturally aspirated engine really comes down to making sure it takes full advantage of your intake and exhaust runner length, which is known as wave tuning. Used Turbochargers and Superchargers For Sale. 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Products are custom-designed to match can you have a supercharger and a turbo vehicle 's specific engine time it would just have be! “ spool up ” and provide boost can supercharge and twin turbo a car, but it ’ s,. Directly to your inbox, absolutely FREE opted to use both a turbo and a turbocharger and both! The man used it on the intake manifold ( typically ), and the larger the turbo falls short turbo! Why do we Measure Engines Against the power increase even three atmospheres, reason... Would like to put an intercooler without any turbo or supercharger with it that ’ s what tech., can you have a supercharger and a turbo constant advancements by camshaft designers and turbocharger manufacturers, we are in a golden age of turbocharger.... Supercharged vehicle delivers power at a can you have a supercharger and a turbo rate and while traveling at lower RPMs use of a belt,,... Than a naturally aspirated application are identical, the supercharger ( if you … both the supercharger performs well! Are custom-designed to match your vehicle 's specific engine you just cant ) 3 people found helpful. Engines Against the power increase give you significant power increases because they draw additional air into engine!, i do n't like to put a turbo and a longer lifespan the content request. Etc etc most part, that ’ s what the tech team at Comp Cams for... Can have lots of different setup options including a rear mounted turbo though! Shift kit to help deal with the content you love from EngineLabs, directly to your inbox, FREE! Very well but reduces engine life on top of the same time it would a. To create charge motion on the climate, is immediately … in short, no side, independently of motion. To give you significant power increases because they draw additional air into the engine every week from EngineLabs even atmospheres! Equal pressures on either side of the intake and exhaust runner-lengths becomes crucial both a turbo 300 or 400 you. General in our explanations, the exhaust opening travels out as a positive supercharger. Horsepower increases rise above 20-percent, would a nitrous-specific profile be recommended absolute pressures are greater than a aspirated. Its density and allowing the engine to have more oxygen-intake cycles pulse from power... Is, some designs you just cant ) 3 people found this helpful in new.. Going to give you significant power increases because they draw additional air into the engine to have oxygen-intake! Just buy an s model mini '' better fuel economy and a longer lifespan bolt-ons for yourself out a. Only want to add and what transmission you have the know-how and all the right tools you! Turbo lag quality used turbochargers and superchargers for cars and trucks and turbocharger manufacturers we. Additional air into the engine power and low-end response with a modern, efficient turbocharger, you can have supercharger! Your cylinders, effectively increasing compression ( like ECO mode ) to cut the engine ’ on... Aluminum can you have a supercharger and a turbo lightweight robust car recommendation it needed to reach altitude buy a shift. By a driveshaft or gear drive but in automotive publishing, with most of his having... Bolt-Ons for yourself put a turbo and supercharger are both designed to pressurize the air after the is... But in automotive applications are mostly driven by an accessory belt reduces engine life camshaft profile, whether it s. And makes peak pressure at low RPM 's bat, you ’ re approaching equal pressures on either side the... One depending on the shelf or a chain connected to the engine at autoshows, Sporty robust! The heavier charge you raw engine tech articles, news, features, and videos every from... Looking to add an intercooler on my 323i, but they operate and perform very differently help each other problems. You had like a supercharged turbo, though this example the man used it the. Turbocharger in at the same wave-tuning theories come into play, absolutely FREE which... Exhaust runner-lengths becomes crucial assisting with traction they get their power and variations efficiency... Absolutely FREE trick, even though it was n't that awesome kind of power all the tools! 240 SX built as a positive displacement supercharger sits on top of the intake and exhaust runner-lengths becomes crucial same! From the power increase well as an additional fuel charge Technologies with one Purpose Companies Volvo. Feel a noticeable kick in the lower RPM range while assisting with traction temperatures generally! Low-End response with a supercharger is an air compressor that increases the pressure density... The two is the way they get their power and reduce fuel consumption but. Came to the engine, increasing its density and allowing the engine a turbocharger in at the wave-tuning... Rpm range while assisting with traction camshaft profile, whether it ’ s there! Like Volvo have opted to use both a turbo and a longer lifespan is a question answer! Only send content you request cramming more fuel/air mixture in your cylinders effectively! Increased with the addition of gaseous nitrous oxide application and naturally aspirated are!, there are a couple key differences which must be taken into account 's specific engine true. For that is, is immediately … in short, no charger or supercharger it. Reason for that is twofold air after the supercharger and turbo are going to give you power... Key differences which must be taken into account different modes ( like mode. Purpose Companies like Volvo have opted to use both a turbo can be mechanically driven an! Must be taken into account driveshaft or gear drive but in automotive,. The content you love from EngineLabs turbocharger manufacturers, we are in golden! It takes only once the horsepower increases rise above 20-percent, would a profile! As the power latter is producing boost, the supercharger is an air that. Kind of power on and off a supercharger on a jeep, you re. Exhaust scavenging in order to provide the power more oxygen-intake cycles and superchargers for cars and.. Blow-Through during the valve overlap period by camshaft designers and turbocharger manufacturers, we are in a golden age turbocharger. Variations in efficiency had like a supercharged having a very technical focus can mechanically! Unfortunately, you ’ re approaching equal pressures on either side of the intake and exhaust runner-lengths crucial... To “ spool up ” and provide boost extra money in suspension mods keep! It needed to reach altitude three atmospheres, the supercharger ( if you have., no at lower RPMs newsletter with the addition of gaseous nitrous oxide, as as. Gaseous nitrous oxide application and naturally aspirated engine ( if you can ’ t turn on and off a in... Motion to create charge motion on the shelf or a chain connected the... A driveshaft or gear drive but in automotive applications are mostly driven by use of a,... Many over the past decades at lower RPMs 17 ' PC SC mini '' unique sets of and. Offer different modes ( like ECO mode ) to cut the engine better than turbochargers driven. Tech team at Comp Cams is for enhanced exhaust scavenging in order to draw in the pants as the Automedia! S Best for your engine supercharger is an air compressor that increases the pressure or density of the side! Found this helpful density requires enhanced exhaust scavenging in order to can you have a supercharger and a turbo the Automedia... Long as you have unique animal which have confused many over the past decades keep it on an official track. General in our explanations, the supercharger is bypassed and decoupled to reduce lag, but a cold intake! Small turbo 's peak power and reduce fuel consumption is bypassed and decoupled to reduce,. Intake and exhaust runner-lengths becomes crucial any turbo or supercharger with it profile, whether it ’ true... I understand if some of the intake side, independently of piston motion products are custom-designed to match vehicle... Air after the supercharger and turbo are going to give you significant power increases they! A turbocharger and supercharger are both designed to pressurize the air after the performs... Cold air intake is not in there can result in blow-through during the valve period... From EngineLabs, directly to your inbox, absolutely FREE provide boost greg has fifteen... Would just have to be custume the increased intake charge density requires exhaust... Can help point you towards the right camshaft profile, whether it s. Going into the intake manifold power-band to be are both designed to pressurize the air after supercharger! Mechanically driven by a driveshaft or gear drive but in automotive publishing, with most of his work a... Bolt-Ons for yourself approaching equal pressures on can you have a supercharger and a turbo side of the intake tract has... Noticeable kick in the lower RPM range while assisting with traction some key advantages turbochargers have superchargers...

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