Effecting the engine's life with turbo
 

Isn't it really hard to take care of a car when it has turbo?? I had alot of people who turbo their cars and end up lossing them cause the engine exploded or somthing like that??

They probably exceeded the limits. On stock pistons i really wouldn't go past 6psi... not that, that is the limit on them but it leaves you a safety net. Some have chosen to push over 8 and had disaster strike. With forged pistons no problem but not stock ones. The turbo kits out there have been running for some time now with only problems being overboosting/exceeding limits and operator error like wrong oils/forgotten parts!

not to mention that most people don't know how to care for their turbo in the first place. a turbo has to warm up before any real pressure is placed on it. your car should idle for a couple minutes before even moving, then drive nice and light on the gas for a few more minutes to let the oil temp slowly increase. also, when done driving for the night, the opposite should be applied. this means letting the turbo cool down afterwards. a turbo timer will take care of the cooling fown part for you by cycling the oil pump to cool the turbo. not doing this can cause a lot of damage to the turbo itself and cause it to blow

right on dr crash... that's about every thing that could go wrong so if you stick to stock and keep good care you'll be fine for just as long as NA motor would have lasted.

now let me add a question here, i heard that if you dont get an intercooled turbo your engine will have a shorter life span. i was thinking of getting a non-intercooled one, just cuz its difficult to save up 4k for the intercooled one. will this cause me problems down the line if i skimp out on the intercooler?

It's still a question of running too much boost. Without the intercooler, you're running hotter and more likely to pre-detonate than the same boost with an intercooler. So lower the boost without an intercooler to compensate for the warmer air and all will be well.
-N

Exactly... if you stick to stock boost(6psi) you'll be fine non-intercooled. This has been a long proven setup. If you push it past that you'll be taking a chance... not only on stock pistons but with fuel detonation. If you try to go higher boost non-intercooled you'll have to run race gas to raise octane. This will not save your pistons though as they are still weak. As i said just stay with stock setup and you'll be fine. There is no extra wear from intercooled/non-intercooled when you run the system right. Non-intercooled meant for low boost... Intercooled meant for more effecient low boost and allows you to boost higher safely. Keep the questions coming as it's good for everyone to hear this! {thumbup} :apimp:

So Boe, for those members out there WITH intercooled kits, would running 7 psi be alright, or would 6 be still the best bet?

How much more ummmphhh could you expect out of 1 psi more v. the problems associated with going to 7?

So how does one increase psi? Lancer can only reach 6psi stock right?

with a garrett T28 about 10hp per psi. Butt you must also fuel anything higher than 8 psi another way

lancer can run 8 psi stock intercooled. thats what i have been doing with my setup for the past year and i have no problems with the motor. to increase psi you can either set the wastegate to open at a higher psi if it is adjustable or get a boost controller. every psi is about 7-10 HP. but 1 psi won't really make a difference.....but 2 psi you'll feel definatly.

oh yeah...and you gotta make sure you can get the fuel to match the boost.

How loud is the external wastegate?

gotcha... hey zlancer wats up wid ur avatar :lol:

fkrzo,
The external wastegate is pretty loud. Especially with RRM's kit, because the wastegate simply has a dump tube. The dump tube simply dumps the excess to the ground. You can quiet this by routing the tube into the exhaust (just weld a pipe and cut a hole in the exhaust behind the header), like Boe did because he was pulled over due to the sound (I think I am right, if not correct me Boe).

The turbo itself is going to be loud, you will hear it even over the radio, unless you are really blasting the tunes. I love the sound, so it doesn;t bother me. As far as decibels in cabin, I'm not sure, but it is pretty loud. Hope this answers your questions.

I heat the turbo when not in to loud of environment and yes piping wastegate back into exhaust is all you need to do to get rid of loud venting. With RRM turbo intercooled you can run 8psi no problem but not over that on stock pistons. Some have tried and have blown engines. Once the stage two is developed(soon) you'll be able to run 10psi no probs but you'll need to be intercooled and have pistons! Also RRM turbo guys... the ecu upgrade from RRM will improve your ability to run high boost both intercooled and non-intercooled not only safely but with better hp results. It'll be done soon and i'll get dyno's posted as well.