Full Answer
How much psi can a small turbo handle?
didnt relize our small turbos could push 14.5 psi.. Click to expand... they can handle like, probally around 19-21 safely. my guess. I am pushing 20PSI on my VF43 Stock turbo.. To be, or not to be....Wingless? The way I always remembered it was that the stock WRX runs 13.5 (1 psi less than the STI) and the STi (I) runs 14.5..
Is 20+ psi on a stock Turbo good?
I don't think that doing 20+psi on stock turbo is good. Its a small turbo and it will be putting out a lot of heat that "if running stock intercooler" wont be able to handle very good. Just my .2c
What's the difference between STI and WRX turbo?
The way I always remembered it was that the stock WRX runs 13.5 (1 psi less than the STI) and the STi (I) runs 14.5.. Click to expand... Any turbo can go 30psi, 40psi hell even 100psi. You just weld the wastegate shut. I don't think that doing 20+psi on stock turbo is good.
How much hp do you need on a stock cylinder?
At around 500 – 550 whp, and/or if you are making over about 24 psi of boost or more, the stock cylinders would need to be reinforced to hold that power reliably. This is where the closed deck blocks from companies like IAG with their Stage 2.5 and up come in.
How much PSI does a stock STI run?
91 octane (95 RON) Minimum: ~18.0psi [S#], ~14.5psi [S], or ~8.0psi [I] peak boost pressure tapering down as you approach the 7000RPM redline, +/- 1.0psi. 93 octane (98 RON) Minimum: ~18.5psi [S#], ~15.0psi [S], or ~8.0psi [I] peak boost pressure tapering down as you approach the 7000RPM redline, +/- 1.0psi.
How much boost can a stock EJ25 take?
300 whp: The EJ20/EJ25 engines can handle 300 whp maximum with stock internals with no further modifications other than a proper fuel management tune. 400 whp: We suggest a set of forged AMR pistons and billet rods to safely boost up the engine.
How much power can stock STI turbo make?
just for your info w/o meth injection stock turbo sti will make around 280-300whp and 320-330 wtq.
How fast is a stock Subaru STI?
The top speed for the Subaru WRX is 155 mph and 174 mph for the WRX STi.
Are EJ engines reliable?
It's been very reliable for me for 9 years. Again get it built right, installed right, tuned right, maintained right. Maintenance is cheap since Subaru parts are cheap compared to the Euro market. I would buy another Subaru no doubt.
How much HP can a 2017 STI handle?
400-450whpSkim through the Subaru forums and you'll find the question on so many STI owners' minds, “how much horsepower can my EJ257 handle?” The answer is different for everyone, but the general consensus is that the 400-450whp range is when you might want to clear out the garage and get ready to pull a motor.
How much HP can stock STI handle?
Your engine and can blow with as little as 300 whp with a bad tune. There are plenty of STIs out there making well over 400whp also, but the general concensus in this forum about how much WHP the STI block can handle is 400whp.
How much power can stock STI clutch handle?
The stock clutch can handle about 360 lbs torque.
How much HP can stock STI axles handle?
The CV's can take 625-650 whp, but the axles themselves can only take 400-425.
What year is the fastest STI?
#1 – 2004 Impreza WRX STI WR1 (0-60 4.3s)
What is the fastest STI?
The tried-and-true STI is the fastest production Subaru WRX you can buy. Car & Driver published results for their tests of the 2021 model, and the WRX STI sprinted from zero to sixty mph in just over five seconds. The WRX STI comes standard with a 305-horsepower engine paired with a six-speed manual.
What is the most powerful STI?
Subaru has unveiled the STI S209, its most powerful model yet made, according to the brand. The S209, a US-only halo model for its WRX STI hot hatch, has upgrades in power, handling, aerodynamics and driver engagement, said Subaru.