im running a VF 22 turbo and sometimes the boost will climb up to 18-19 psi, is this risky

Originally posted by rednek wrx
im running a VF 22 turbo and sometimes the boost will climb up to 18-19 psi, is this risky


Whoa!! On an EJ25?

Or is this an EJ20? 18lbs isn't too risky on an EJ20, but it is a little high. I'd be worried about the tranny before I worried about the engine.

i dont know the engine code but its a 2002 wrx

We're running MY01 / MY02 WRX cars with 1.25 bar on TD-04L turbos, which is about 18 PSI, and have been running MY98 turbos up to 1.5 bar without any real trouble (other than that particular driver going too fast and wiping out the car on a traffic light... d'oh!). I wouldn't recommend that more than 1.3 bar be used on a regular basis on stock internals, though. Keep an eye on your injector duty cycles and EGTs though....

Cheers,

Pat.

1.3Bar in a 2.5RS-T would kick ass! Hmmm maybe after changing out all of the internals first.

Originally posted by N/A
1.3Bar in a 2.5RS-T would kick ass! Hmmm maybe after changing out all of the internals first.

hey N/A check your PM

done

I'de hazard a guess at about 400 BHP at 1.3 bar out of an EJ25... anyone care to hazard a guess what I'de get from an EG33 at 2 bar with 12:1 compression ? :D

previously i took my motor to 20-22 psi with nitrous and it was fine. i would not suggest that but as long as you dont lean out you will be fine. be carefull.

I have a friend that didn't know how to work his boost con. and he was running 2 bar on stock everything just about. Well to end this story, he got a new engine.

what turbo did he have to run 2 bar? definately not a stock turbo or an ihi turbo

Not sure, and the boost con. was set to 2 bars, so what the turbo was really pushing in another story.

1.3 bar is what my engine is maxing out on, im thinking about getting a air/fuel gauge to prevent leaning it out on some bad gas

Originally posted by rednek wrx
1.3 bar is what my engine is maxing out on, im thinking about getting a air/fuel gauge to prevent leaning it out on some bad gas

The common AFR gauges out there are for narrow band O2 sensors and are not that accurate. But very useful if you match it with an EGT gauge and don't let it get too hot.

basically...
lean = high egt's
rich = lower egt's

-vic

i'd rather get an EGT than an air/fuel meter. unless you get a wideband o2, the regular autometer air/fuel meters aren't very accurate at all.

Originally posted by rednek wrx
i dont know the engine code but its a 2002 wrx

The 420 cc injectors on the GDA Rex can hold up to 1.5bar on a VF22, reaching 350HP before injector duty maxes out at 95%.

Originally posted by WickedRydaX
I have a friend that didn't know how to work his boost con. and he was running 2 bar on stock everything just about. Well to end this story, he got a new engine.

But the TD04L actuator will bleed at 1.2bar plus, making 2 bar almost impossible. Unless, his turbo is a big ass one hahaaa

i hit 25 lbs daily on my stock internals. there is no hose going into my wastegate

You can run extremely high boost with any setup. The quesiton is how long can you get away with it and no 25 pounds on a stock setup is not safe.

I know 20psi isnt safe to run all the time, but with fmic, utec, full exhaust w/o cats, ebc, injen intake, vf22, sti injectors,tt supra fuel pump and clutch can i run 20 to 22psi when i race and be ok?

Actually from the sounds of it your car is a GD body car with the EJ20, correct? You have alot less to worry about cause your motor was built for a turbo application. The engine has oil sprayers for the pistons, lower compression, a ECU that allows you to be turbo to begin with and bigger injectors then what comes on the 2.5RS cars.

Noob question....
What is the stock 02' ej20 turbo?

Just got my car...

Thanks

Im new to your lil club thingys- as well as to the world of high tech scoobie-doobie hacking.
I am currently trying to research the dos and donts of swapping the 2.0 liter that is in my 2003 WRX for a 2.5 block. Granted I plan to maximize on the WRX's heads/cams/intake but I feel a 2.5 shortblock swap would be an ideal route for some grunt...
any thoughts?

I ran 28 psi on my car at the track and ang around 15-18psi as daily driver. I had stcok internals and never had a problem. It is all about how well tuned your car is. The quickest drag time I ever had was 12.8@108.

thanks,
Greg

greg:

no your car never boosted 28 psi. how do i know that. trust me... i have been around and your stock internals would never hold that. second.. if you did boost 28 psi and your car held together, your 1/4 time would be faster than 12.8. i was running 19-20 psi with some nitrous and i was at 12.06. now on my fully build ej22 i would even be hesitant to run 28 psi.

I do stand corrected my math skills are horrible. I double checked with the build of my car and max my car saw was 1.5 bar or 22 psi. Sorry for the error.

thanks,
Greg

i got 3 questions...
1)what is narrow band o2?
2)what is wideband o2?
3)a ej20 head will fit on a ej25 block? or via versa.....