LOL nice ending to that postInstallshield 2 said:Nick, I thought Sport Compact Car dyno'd a pre-production EVO, and it showed around 227whp? I just noticed that a few months ago on their 10 best for under $30,000 or whatever...and that SRT-4's dyno'd at around 223whp...I could be way off on the EVO part...Were the pre-production models weaker?
With that wheel power those things are making over 300bhp probably...sounds cool indeed....and there are some built evo's in Europe running around 30 psi making upwards of 600bhp...I will still race you
Well there is quite a little contraversy over the actual WHP ratings from the factory as with the ones from dodge for the SRT-4
It seems that many of the cars , including the SRT , have a different destiny.
For example. There are EVO's, here in the states, That will vary on many conditions up to 50WHP.
We along with some other company's in the country (Bushur, Vishnu, Works, MachV to name a few) that have tested Evo's from 210WHP to 263 WHP in completely STOCK form.
There is quite a difference there. As a friend of mine put it on another forum, If you take away a couple of the freaks (4-6) cars out there that made 210 - 215WHP. along with the ones who made 260 -263 WHP then your average is right on the 227WHP mark.
Mine was one of the unusual ones testing in at 263 whp stock before the reflash.
Now let me add that many things can affect a true dyno rreading but never the less the correctional value can vary from 10-20 whp as a given.
Weather, type of gas, factory settings including boost and tolerances. Some tolerances may be in spec some may not be. You could have two identical engines new and they can vary in power because of a simple clamp that may be loose in the intake.
Some evo owners have been back to the dealer after installing a boost gauge and never getting above 15-16 psi peak. After some tightening of the stock clamps for the charge hoses the magically have steady boost again.
After being on the EVO forum for a while i realized a couple of things that i needed to check after i picked mine up. First thing i did was take apart the entire front half of the intake system to make sure everything was rightand tight, which if you can guess THEY werent!!
Now after reflashing the Stock ECU with a new timing, fuel and boost curve the stock evo can produceincredible numbers. Keep in mind that the factory had the car running 9-10:1 A/F ratio.
right now i'm at 10.6-11.1:1 consistenly at intial boost all the way to redline. The dyno tuner wanted to keep me in a safe zone once i go home and turn up the boost.
Also another thing some dont know is that the stock EVO's do run approx. 19.1 psi of boost pressure from the factory. BUT that is only at the lower RPM's. As your engine turns faster the ecu sees this and the control solenoid is set to lower the boost at higher levels. Sometimes down to 11psi.
Given this is a TDO5H at that PSI level it wont do to much up top.
The neon would kill it once it got traction in third and fourth gear quarter mile.
The reflash corrects the ECU control over the solenoid by never letting it go under 18psi. So you keep a constant boost thruout and your midrange and top end torque have been dramatically increased.
anyway im glad she runs so strong.
now we will see what she does at the track this week
...but I like my wife better..except when she yells at me..
