Most jet fuels are leaded so thats a no go.

Running higher octane fuel without proper timing adjustments means dick in the performance aspect, and most of the time it actually decreases performance due to flame temp.

Also today's turbos (not incorrectly sized diesel truck turbos) spool stupid fast, the EFR/ZFR series spool so damn fast the torque spike has killed multiple transmissions when the tuner was even trying to control the boost build.

You honestly need to stop with this I'm going to twincharge, be happy with the current setup and read the ever living **** out of all the build and mechanic engineering books you can get your hands on. Then come back to what you're going to do.

 

Is this a lot of turbo lag?????

https://www.google.ca/url?sa=t&sourc...u9J72VQmNL2xjQ

 

This is going in a sunfire right?

 

Not hardly

 

Alright not bad. Let's stay some focus here... How much is that turbo gonna cost me...? Seriously.

 

This thread should be renamed "The Dumb and the Furious."

 

Yes I have a turbo out of a big diesel truck.... If you read some of my comments you will find im ripping a turbo off my old cobalt. 07 lt. Has an aftermarket kit put on I think it was k04 t3/t4 garret. Either way the cars rode so I'll rip it off anyhow and use.

 

Trust me when I say I've thought about deleting this 100 times

 

Still wanna lmfao

 

If you had a KO4 series turbo there should have been zero lag. Those turbos are so damn little the spool time is 1/10 a second even if it's the Hahn kit they made back in the day its a little turbo that spools quick. There is more to turbo'ing a car that just slapping a turbo on the exhaust mani, you need to consider tuning potential (which if you're Alpha-N limited like a lot of the older 2.2 ecotecs good luck), wastegate selection, bpv or bov selection. Also you'll be limited by the amount of air that turbo can pull in for the diameter of opening to the turbine.

 

you need to really look into turbos honestly if you go twin charged you arent going to do **** with a 4cyl its already been proven by the leading ecotec company ZZP. they had a twincharge kit for a couple years but then found out a turbo is so much better. if you run a 4.45 trans 5spd that will help with the spool as well and help get you to your goals. if you want to beat vettes and stuff 500-600whp in a 2900lb car is very do able and you dont have to break your bank. learn to drive first and seriously do some more research man, theres a lot of good people on here and when people like you come in here with a title of 90psi you will be made fun because the people on here know what they are talking about not like the facebook **** thats out there. oh btw if you need a tune and want to continue not taking advice head over to facebook to cobalt gang theres a guy on there by the name of james who would tune your car. according to the facebook group best in the business just like FMSR

 

Here's what u do OP buy a 6758 or if u want a bit more hp get the 7163. Build a LE5 with a ported head and the works throw that in I'll tune you up with as little "lag" as I can on the high boost actuator and I promise you'll have switching out your transmission down to a science in a couple months

 

I think its too late now. Wont let you

 

I don't know how even an hour I posted it I couldn't find a delete thread button which kinda sucks....

The worst part my math was extremely off which was proven wrong thank god... But now everybody looks and laughs 90psi lmfao... The entire thread was "possible build, 90 psi blah blah..." Which was I knew the math was probably f***ed up and I really just wanted to know if an ecotec could really handle 90psi... (I don't know of any engine that could unless you got to some big naughty diesels.)

So my point of the entire thread was to shoot myself down to ground level and not astronomical level.

 

Just ask a mod to delete the thread.

 

Titles like the one you picked force the troll team to assemble.

 

the point is that a more realistic goal is somewhere between 15-30psi (as stated many times previously, psi by itself is not a good judge of anything), and 300-500 horsepower... 500 being quite significant. Many are well over 500hp, but 500 is quite a feat in itself.

Welcome to ground level

 

Thanks guys I must admit I learnt a lot of great information threw many people on this thread.. And yeah my goal now is 25 psi and 450 bhp 400whp

 

That's why I posted that vid. My car is a 2L on 28psi that made 481whp on a 7163. If OP was really that worried about spool he could build a 2.4 have faster spool than me and not have to worry about a complex twin charged setup

 

Now that's def a lot better lol you can def achieve that goal for sure with very little lag. KMO43 will def help you out for sure and if you can get some E85 you'll be even better that's for sure with your power goals

 

Make sure you understand the importance of tuning because that will dictate how close you get to your goal... Or if you even make it that far.

 

This. And stay the HELL away from James on the facebook page. He's blown up many people's engines.

 

No when it comes to Tuning and the engine build itself I'm getting a professional engine company to out it together there gonna do some research and find out how big of an engine I can make out of a 2.2. Now tranny tell me guys it's a 4t40e I believe 4 speed. So I absolutely need at bare bottom minimum :

Transmission oil cooler
Shift kit
Kevlar disc instead of friction disc?
Obviously a heavy torque converter.

 

I'd find someone on this site to tune you, not a big shop. As for the transmission, they are rated to 330lbs of torque. Shift kit will do nothing for you. That's all in the tune. Getting a GOOD torque converter is important. ZZP sells one for the 3.8L engines that supposedly fits our trans. It's a great piece. There's really no upgrades for our trans in the way of strength. No axles, anything. Maybe an LSD if you want to pay $750. Some people theorize you can put a 4t65 in it but that's a hella lot of work.