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Well my truck is finally payed off so I can start to play with it. I’m looking for ways to make horse power. I know you can get a supercharger but I was thinking intake and turbo, All the tuner cars running around are making big power with little 4cyls. Also any one know of any tuner chips that will make more power? Along with a turbo and intake I’m guessing fuel moods, headers and every thing after that will need to be replaced
 

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Turbo would work well but you will only get top end power out of a turbo, A Super Charger is gonna give you more bottom end power, So the choise is up to you, I know if I had the bucks id get both Turbo and Super Charger cause one benifits from the other, Headers and exhaust will help, Cold air intake and a Throttle body spacer, I don't think you can get a chip for a Toyota tacoma yet.
 

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I really think I only need more power in the higher end. I don’t feel like I need more power on the low end. I also think I turbo would be a lot better because its almost free HP since its not driven off the engine by a belt. also the way I understand it a supercharger needs more fuel mods then a turbo running low boost and you don’t need to run high test gas. I really don’t want to kill my fuel economy eather. The way I understand it a supercharger will do that a lot more then a low boost turbo.
 

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Either way, you will still need fuel mods and higher octane fuel, though the turbo has a lot less of a parasitic power draw. I'd prefer the turbo myself, but a s/c is an easier install. With the turbo you will have to plumb into the oil pan for lubrication, modify your exhaust, install an intercooler and plumb an air intake system.
 

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pulser said:
I really think I only need more power in the higher end. I don’t feel like I need more power on the low end. I also think I turbo would be a lot better because its almost free HP since its not driven off the engine by a belt. also the way I understand it a supercharger needs more fuel mods then a turbo running low boost and you don’t need to run high test gas. I really don’t want to kill my fuel economy eather. The way I understand it a supercharger will do that a lot more then a low boost turbo.
Premium fuel is required for both the supercharger and the turbo. Fuel mods are basically the same also. X amount of extra air requires x amount of extra fuel. Simply speaking, boost is boost. Supercharger gives more power at both ends. Turbo gives more power at the top.As far as fuel economy--my 3.4 went from 17.5 hwy average MPG to 21MPG after I did the supercharger and mods.

Dave
 

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If you dont want to spend a lot of money to make your 2.7L have more power, get an Intake System, I have an AEM Polished Short Ram system on mines and i love it, The get an exhaust system to get more air flowing out. LC Engineering makes a stainless Header for the 2.7L's www.lcengineering.com. I was going to put a full exhaust system on my tacoma but I've done mostly all that I want to it, and I have a Mustang to work on so my money will go towards that between my truck payments.
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How can a supercharger provide more downlow than a turbo. A SC only gives max boost at max rpm. In other words the lower the rpms the lower the boost is. On a turbo once it spools it max boost from then on. Most people do SC because of availability, ease of installation and cost. Turbos are the exact opposite but when done right are unbeatable.
 

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Im very happy w/ the performance of my 2.7l w/ a downey header, exhaust, 4.56 gears, and a deckplate.
 

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same here, im running 285/75/r16s header/intake/muffler and it literally brought back the lost hp from the tires since im not regeared, just start out with the basic hp mods first, then do the researching on a turbo if u feel u need more power
 

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SilverTaco said:
How can a supercharger provide more downlow than a turbo. A SC only gives max boost at max rpm. In other words the lower the rpms the lower the boost is. On a turbo once it spools it max boost from then on. Most people do SC because of availability, ease of installation and cost. Turbos are the exact opposite but when done right are unbeatable.
Most people think that it takes a turbo a long time to spool up before you get any boost, and an SC gives immediate boost. If you have the right size turbo, it will spool up quickly.
 

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A supercharger generally spools much quicker than a turbo, and tends to give a much more linear power boost, which is why it seems to give more low end grunt. How quickly your turbo spools (which in turn means how soon you get power) depends on your engine and turbo size amongst other things. You can make a ton of power with a supercharger too, they aren't necessarily inferior to turbos, even for peak-power applications. A lot of that depends on the type of blower, centrifugal, twin-screw, etc. Remember that you can turn up the boost on a supercharger, too, just like a turbo.
 

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A supercharger spools as quick as it possibly can regardless of the desin...the fact that it's slaved to the engine via a toothed belt ensures this.

OhNoes said:
A supercharger generally spools much quicker than a turbo, and tends to give a much more linear power boost, which is why it seems to give more low end grunt. How quickly your turbo spools (which in turn means how soon you get power) depends on your engine and turbo size amongst other things. You can make a ton of power with a supercharger too, they aren't necessarily inferior to turbos, even for peak-power applications. A lot of that depends on the type of blower, centrifugal, twin-screw, etc. Remember that you can turn up the boost on a supercharger, too, just like a turbo.
 

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SilverTaco said:
A SC only gives max boost at max rpm. In other words the lower the rpms the lower the boost is.
Not quite right with that statement. Many things will change your boost level. Among them being the pulley size and engine load(hills and so on). As stated before a SC will have instant boost while a turbo will have lag. How much lag depends on design.
 

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97TacoDude said:
A supercharger spools as quick as it possibly can regardless of the desin...the fact that it's slaved to the engine via a toothed belt ensures this.
Are you still giving SC advice? Wow! A SC spools fast BECAUSE of design, not regardless of design. A smaller pulley will put you into boost a lot sooner than a larger pulley. Thus making a design dependant boost level.

Why are you addressing that to OhNoes? I see nothing wrong with his post?
 

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What I was saying is your not getting FULL boost from a SC until you wind it out. It is driven by the engine belt and the faster the engine spins the more boost it creates. Also i was saying that boost increases as the rpms increase not by adding smaller pulleys and such which create more TOTAL boost. When done right a turbo will not produce much lag....the problem is people dont match trubo size to engine size.

Also SC do have instant boost but its not FULL boost. Turbos will have full boost as soon as they spool up.
IE a SC and Turbo both produce 10psi at Full boost. Well at say 3500rpm a SC may only be producing 6-7psi while the turbo will be producing 10psi.

I am a huge Mustang freak and own a 66 Fastback. I was considering doing one of them to it and at the time a mag (Car Craft or MM&FF) had a shootout between a SC and a Turbo.....needless to say the turbo made almost 200more ftlb of torque down low than the SC. Ill see if i can find the article.
 

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You should check out the turbo from STS turbo systems--www.performanceparts.com It looks pretty trick with the way they relocate it to the stock muffler location. I wouldn't recommend it to any of you mud/deepwater crossing guys, but for the average Joe I bet that thing would be sweet. BTW...anyone here know of anyone who has tried one?
 

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READ. READ. READ my post. What does it say? Did you read it again? Did you ever read it the first time? It says a SC spools as quick as possible because it is slaved to the engine (unlike a turbo which is indirectly connected). Regardless of any given supercharger's design, it's speed will be EXACTLY the same percentage of the engine's speed dependant upon the ratio of the pulleys. This sems pretty basic to me, I guess some of us (you) find this complicated? Why are you argueing with something you know is true? You take one of my posts, reword it slightly, and then act like my version was incorrect (???)

Considerig I'm on your igonre list, you do a great job finding my posts


DCabTaco said:
Are you still giving SC advice? Wow! A SC spools fast BECAUSE of design, not regardless of design. A smaller pulley will put you into boost a lot sooner than a larger pulley. Thus making a design dependant boost level.

Why are you addressing that to OhNoes? I see nothing wrong with his post?
 

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97TacoDude said:
READ. READ. READ my post. What does it say? Did you read it again? Did you ever read it the first time? It says a SC spools as quick as possible because it is slaved to the engine (unlike a turbo which is indirectly connected). Regardless of any given supercharger's design, it's speed will be EXACTLY the same percentage of the engine's speed dependant upon the ratio of the pulleys. This sems pretty basic to me, I guess some of us (you) find this complicated? Why are you argueing with something you know is true? You take one of my posts, reword it slightly, and then act like my version was incorrect (???)

Considerig I'm on your igonre list, you do a great job finding my posts
Seriously though...Why are you giving advise about superchargers?
According to your "Supercharger, how it works, back to basics," , thread....you don't know that much about them....at least not enough to offer worthwhile advise.

AND....it seems YOU are the one that always has to argue with other members....not DCabTaco. What are you so desperately trying to prove?
 

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SilverTaco said:
IE a SC and Turbo both produce 10psi at Full boost. Well at say 3500rpm a SC may only be producing 6-7psi while the turbo will be producing 10psi.
Ok, however this is straight from Gadgets site:

There are two basic types of superchargers, positive displacement and centrifugal.

The centrifugal superchargers use the same type of compressor impeller as a turbocharger and the faster they spin the more boost they make and it is not linier. If you double the speed of the compressor you quadruple the output. The problem is that they only make peak boost at the engine's redline and tend to make very little boost at lower engine speeds where they are mostly operated.

The positive displacement supercharger will move a fixed amount of air on each rotation and that is not dependant on impeller speed as it is on the centrifugal type. When a positive displacement supercharger's size is properly matched to an engine and it turned at fixed ratio to engine speed it will produce a set amount of boost throughout almost the entire RPM band, from just off idle to full RPM.

So as you can see just like the lag on a Turbo is based on design, so is the boost on a SC. I get full boost almost instantly off idle as soon as my foot hits the floor. I know I hit 9ish psi(max) well below 2K rpm. I think the little lag I get on my set up is due to the engine load transfer through the torque converter. I am not saying one is better or worst than the other. In fact I think a turbo will net you more torque and HP due to the better efficiency. They both have their good points and bad point. The truth of the matter is a SC has the capability to give you more power increase on the lower RPMs than does the turbo. Just because one article stated that particular comparison gave that outcome doesn’t lend itself to say it will always come out that way.
 
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