Gst Greddy

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1998 eclipse gst w mods!! How fast?

ok i Have an 1998 eclipse gst.. the engine is 15k miles i bought it from JDM with 0kmiles. K&N filter, BIG T-28 turbo, 3" down pipe, 3 inch full exhaust. fuel pump rewireing kit., front mount intercooler, turbo timer. Greddy Type S bov. greddy profec B Boost controller set to 15 PSI. and offcourse aftermarket boost gauge. how much horse power do u think im running.

my next stem will be fuel injectors and fuel pump. so i wont hit fuel cut... if i go above 15 psi with stock injectors and fuel pump i hit fuel cut.

any one any idea how much horses am i running?

You're hitting fuel cut because A: you have a boost leak. B: You have a BOOST LEAK. or C: You're hitting over 100% IDC on your injectors. My guess would be D: All of the above.

Do a proper boost leak test. That doesn't mean look at your clamps and retighten them, it means build yourself a boost leak tester, attach it to the turbo or intercooler pipe, pressurize the intake tract to 25psi and see how long it takes for that pressure to bleed down. Spray the entire intake tract with soapy water to nail down the leaks. Primary leak spots: TB shaft seals, injector seals, IM gasket, BOV gasket, TB gaskets, and sometimes even the turbo compressor housing o-ring.

What are you using to tune? If you get larger injectors, you'll NEED something to tune with, otherwise you'll run super-rich.

As for how much power you're running, it's impossible to tell. Two cars with the exact same modifications are never going to dyno the same. You're probably knocking like crazy, which pulls timing, so your horsepower numbers are going to be artificially low. I would be very surprised to see you make over 225hp to the wheels with your current setup.