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grndsm
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Postby grndsm » 22 May 2009 20:47

STS kits do work, but in a laggy supercharger sort of way... They loose a lot of heat by positioning turbos so far away from the engine and have to rely on exhaust pressure to drive those turbos.

The biggest reason for the rear turbo location is the available space (or lack of it)! Have you seen how much much space is left under the hood of some of the modern V8 cars? Adding two LARGE turbos AND all of the necessary piping is very challenging, so it does made some sence to go to the rear of the car.

If you take space conserns out of equation (as in most other cars), this is a really dumb way to install a turbo...

Leon
'94 Eagle Talon AWD Turbo 613whp <powered by Mitsu 4G63T
'80 TR7 Spyder GS-T <undergoing Mitsu 4G63T transplant :)
http://www.cardomain.com/ride/2472999

PeterTR7V8
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Postby PeterTR7V8 » 22 May 2009 21:37

Leon by all accounts the STS Turbo system works very well & the lag has been cured by the design & size of the turbo. Everyone who looks at it says "lag" but those that have experienced it says "no lag".

<blockquote id="quote"><font size="1" face="Century Gothic, Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote">At this point you probably have more questions than answers, as did we when we first learned of remote-mount turbocharging. The biggest question on our mind was turbo lag. How is turbo lag avoided with the turbo so far back? According to STS, their systems are designed specially for remote mounting. They use custom sized housings that function awesome in back, but if mounted in the traditional location up front would perform less efficiently. On the flip side, if a traditional front-mounted turbo was moved to the rear, lag would become a major issue.

We also wondered, doesn't it take a while to pressurize the intake tube with so many feet of intake tubing? To our surprise, a molecule of air can travel from the turbo to the intake inlet in .05 seconds, which provides boost almost instantaneously. "All the intake tubing adds up to less than half a cubic foot of space," says Rick Squires, owner of STS Turbo Systems.<hr height="1" noshade id="quote"></font id="quote"></blockquote id="quote">

http://www.popularhotrodding.com/tech/0 ... index.html


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