ZUKIWORLD Online | Suzuki 4x4 Editorial and Forum
ZUKIWORLD Model Specific Suzuki Forum => Suzuki Grand Vitara, Vitara, Chevy Tracker (Gen. 2 Platform) 1999-2005 => Topic started by: MBB77 on February 20, 2009, 10:48:11 PM
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what about STS turbo?
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I guy i know that has a performance shop said the Squires Turbo System is a joke. This was about 2 years ago. Maybe their systems got better and his opinion may have been very biased. What i don't like about them is how low your turbo and intake are. I guess it's fine if you drive nice days on paved streets, Not sure how well it would hold up to offroading.
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(http://pi.b5z.net/i/u/1473169/i/C6%20Corvette/IMG_2176.jpg)
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do you advise me to try it in desert?
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Maybe... I would try to make a skid plate for where the turbo is and try to keep the air filter as high as possible. What are you going to put the STS on? I guess you could always use a dust cover on your air filter.
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I'm planning to use long pipe to put the filter under the hood
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Are you going to put it on you GV?
I guess i don't see why that would not work. I was mainly talking about how some the STS systems have the air filter on the undercarriage.
But it sounds like you should be fine.
Keep me posted on the progress.
What size turbo you using?
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i don't have that turbo but I'm planing to have one if i didn't bought new car
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I guy i know that has a performance shop said the Squires Turbo System is a joke.
A lot of people with performance shops said that, until STS proved themselves. There's still people that won't give it a second look, but... those that have installed it love it. I have not found anyone that's installed it that didn't like it. Traditional turbos have their pro's & con's, and so does this system. Yes, having the intake that low can suck on a 4x4, but... trying to source a turbo manifold for a Suzuki sucks too.
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STS turbos are ok and a lot less work to install. They might have a touch more lag to them but they run cooler. Which in the long run is better on the engine. But as with any turbo your going to have lag. So if you want off the line power you may want to look at a supercharger.
George
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Superchargers aren't as nice in rocks. Supercharger runs off engine RPM, so if engine luggs, so does the supercharger. Because of the way exhaust gases expand when engine luggs, it spools the turbo more quickly and helps you get over the obstacle.
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is small twin turbo better or worse than sts system?
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Better or worse for what ??? Everything's a compromise. Assuming each setup is "properly designed", a STS will almost always loose to other setups if measured by "peak performance". This is critical in drag racing. In 4 wheeling, "peak performance" is far less critical. In fact - often times we want (low to mid torque, wide power bands) to do exactly the opposite of what drag racers want (Narrow, high RPM peak power band). That said - from the reading I've done, the STS performance is VERY close to that of a traditional turbo setup. Good for us, but "close" isn't good enough for drag racing.
The major advantage of an STS setup is you can put the turbo just about anywhere you want along the exhaust side. This is important for setups like ours where turbo headers aren't readily available, or if there's no room in the engine compartment. It also keeps the engine compartment less cluttered (easier trail repairs). It also eliminates the need for an intercooler (the intake charge pipe is long enough to also act as the intercooler and cool the intake charge). Easier engineering wise, but still about the same net cost (you need to buy a scavenging oil pump). Cost savings is being able to delete a custom header.
If the STS setup is used in sand or mud, then you'll need to do something to protect the intake from getting too dirty too fast. Same with river crossings. IF I run a remote mount turbo, then I'll be running a bypass on my turbo setup to go to a traditional intake & exhaust. I do river crossings about 2x a year. Probably another $100 or so in valves & piping.