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Old Apr 1, 2003 | 07:08 PM
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Andy
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Joined: Mar 2000
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From: Southwestern PA
Default What's up?

That would not be proper fuel tuning. Basically with a turbo your introducing a lot more air into the engine and you need to match that with fuel. Most aftermarket turbo kits come with some sort of system. Greddy uses a black box and larger 330cc injectors (not really big enough, I think anyway). F-max uses 2 addition injectors before the throttle body and a controller for them (works but the intake manifold isn't designed to carry fuel). Drag and Rev-Hard use a boost dependant fuel pressure regulator. When the engine builds boost, it increases the pressure in the fuel rail forcing the injectors to squirt more fuel. Simply but not really effective after 8-9 psi, the pressure in the rail will be so high it could damage the injectors. This is also a popular solution for custom turbo setups too. Vortech sells an inexpensive unit that works well. Beyond this, your looking at larger injectors and some sort of aftermarket fuel computer. What do you plan to do for fuel enrichment. Seeya.
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'06 Subaru Legacy Spec B - Stock, for now
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