Stock turbo after 20psi

[The Devils Own Chariot]

Im looking to get a bigger turbo in the future any ways so Im not really worried about my stock turbo and pushing it way out of its efficiency range.
I am concerned about effective power after 20 psi. Is it worth pushing the stock turbo to say 25 psi and just disconnecting the wastegate vacuum while running alky injection. With the high flow intercooler pump, heater hose lines, lower IC scoop, and alky injection. Is it possible to pull the heat out after my turbo turns into a hair dryer? The alky has a huge effect on cooling intake temps down. With that said is it still effective to push the stock turbo way past 20 psi? I was going to do some experimenting on this. Im pretty sure I know what most of your answers are going to be already. Has anyone had luck with running enough alky to cool things down to make effective power?

 

[TYTILIDIE]

Re: Stock turbo after 20psi

Why don't you use an EBC for control? Any way, I don't see why you couldn't, stock record is like 11.8 and I'm pretty sure they were running about 25-26psi.

 

[Six-is-Enough]

Re: Stock turbo after 20psi

Yep I have been in 11's with the stock turbo. 24-25 psi with Alky (methanol) injection. IAT's were in the high 70 degree range at the end of the quarter. I wouldn't disconnect the vacum line. You need to adjust the wastegate DC in the tune.

I will warn you that it is very hard on the turbo. I have been through one already and the second one is showing signs of going. (excessive end play).

 

[The Devils Own Chariot]

Re: Stock turbo after 20psi

I use the ultimate for control normally. It limits me to 24 psi. I have never been able to build that amount using the ultimate. The highest I have seen is 22. My wastegate acutator has somthing wrong with it and Im not really sure what there is to go wrong with it but I never lets me past 22. My wastegate rod is shortened as much as I can get it before I can't reach the wastegate falpper. Im going to try and disconnect the vacuum and see how far that will take me.

 

[The Devils Own Chariot]

Re: Stock turbo after 20psi

Yep I have been in 11's with the stock turbo. 24-25 psi with Alky (methanol) injection. IAT's were in the high 70 degree range at the end of the quarter. I wouldn't disconnect the vacum line. You need to adjust the wastegate DC in the tune.

I will warn you that it is very hard on the turbo. I have been through one already and the second one is showing signs of going. (excessive end play).

Im not worried. I dont drive it hardly at all. I have had it for three years and put on just a bit over 2000 miles. Let the stock turbo burn and bring on a PTE52 or a GT35R!

 

[The Devils Own Chariot]

Re: Stock turbo after 20psi

You need to adjust the wastegate DC in the tune.

How? New chip?

 

[CAMSTY]

Re: Stock turbo after 20psi

How? New chip?

Yes, you need a custom tune at those boost level :tup:

 

[The Devils Own Chariot]

Re: Stock turbo after 20psi

Yes, you need a custom tune at those boost level :tup:

I hate custom tunes$$$$$$
Who wants to burn a chip for me that allows me to still use my ultimate settings?
Should I just call up SYTYCHIPS and have them do it? I guess Nollans name comes up a lot but I dont like his prices. It seem like a bit much. I guess I need to buck up and burn my own chips. I think Im starting to run into probelms with the stock chip because of all the mods. Who wants to help a brother out cheap?

 

[Six-is-Enough]

Re: Stock turbo after 20psi

I had to run an external spring on the wastegate to help hold it close. You should be able to find one at your local hardware store. Or you can install a stiffer spring inside the wastegate.

You should be able to get 24 psi on a ultimate chip. I think the ultimate lets you go to 26 psi before it fuel cuts.

Have you tried manually locking up the converter? This should get you some more boost too.

 

[ZavzTy547]

Re: Stock turbo after 20psi

I had to run an external spring on the wastegate to help hold it close. You should be able to find one at your local hardware store. Or you can install a stiffer spring inside the wastegate.

You should be able to get 24 psi on a ultimate chip. I think the ultimate lets you go to 26 psi before it fuel cuts.

Have you tried manually locking up the converter? This should get you some more boost too.

Your getting only 22psi because if you view the bin for a T3-24, the tables reads only 22 psi, so you'll need a reburn/change those numbers in the table to 24.

 

[JSM]

Re: Stock turbo after 20psi

I hate custom tunes$$$$$$
Who wants to burn a chip for me that allows me to still use my ultimate settings?
Should I just call up SYTYCHIPS and have them do it? I guess Nollans name comes up a lot but I dont like his prices. It seem like a bit much. I guess I need to buck up and burn my own chips. I think Im starting to run into probelms with the stock chip because of all the mods. Who wants to help a brother out cheap?

Hate to bring you bad news but a custom tune is MUCH cheaper than a new engine.

Custom tune takes time, time = $$ when your paying for labor.

I have probably 15hrs into my tune and feel it is 50% done. Now mine is a bit trickier than most but still a good tune won't happen overnight.

I find it "odd" your willing to risk blowing a motor by removing a vacuum line, just to avoid fixing it correctly?

Jeremys stock turbo truck didn't go 11's with "work arounds". When an issue came up it was fixed properly. I probably spent 10hrs or so on his if you add up all the time over 2 years.

I guess if you don't want to do custom tunes, then I would stop doing mods and wanting to go faster. Cant just do a bunch of changes and expect the computer to know what you did and how to correct for it.

 

[bezerk]

Re: Stock turbo after 20psi

you can always try different tunes, if you buy a chip burner. and burn yourselve a new one if you are not happy with it. maybe there is a tune out there that will work for you.
altough i agree with twinturbo there. fast cars weren't born in 10 min. and time is money.

 

[turbodig]

Re: Stock turbo after 20psi

Hate to bring you bad news but a custom tune is MUCH cheaper than a new engine.

Custom tune takes time, time = $$ when your paying for labor.

Also, the $$$$$ is misconception. I've only done 2 custom tunes that were more expensive than an Ultimate chip, and that's because it involved a lot of mechanic work.

People seem perfectly willing to throw $1000s at parts and "chips", only to have problems with them, and end up with dead motors. Then, they start a build, run out of money/time/will, and end up selling the thing for less than half of what they paid for it. Or, they finish the build, run the same old crappy chip with a big turbo, + cam and blow it up.
Then scratch their head and wonder why their new "built" motor wouldn't live.

I know people who have spent 8-9k just to run in the mid 12s. A $300 tune would have done that easily.

Furthermore, code59 is pretty darn cheap. If you have a wide band, you can burn all the stuff you want for less than $100, including the Moates adapter and equipment to burn.

Time, it will take. Probably lots of it. So, the instant gratification types aren't gonna like it. These are usually the people who end up struggling for years and years.

To each their own, I guess.

 

[H-TOWN-TYPHOON]

Re: Stock turbo after 20psi

^ You should save that in a text file so that you can copy/paste every time this comes up.

 

[TYTILIDIE]

Re: Stock turbo after 20psi

Rookie, like you said, it's time to buck and learn to tune. Jeff and the Diggler are right on the money. It does suck to learn to tune sometimes and is very time consuming in the beginning but is VERY worth it. Best thing is that when ever you make a mod change or what have you, you will have the ability to alter things on your own. If you really don't want to tune yourself, pay the few hundred bucks and have someone do it for you. Problem with sending chips out is that a) you have to wait b) you could get it back and it may not run well and have to send it back c) you have to keep paying for that (depending on who you're dealing with) and d) takes all the fun out of it :lol: You could start tuning on your own (considering you have a laptop and a wide band) for about 2-300 bucks. Its well worth the money, even though I am not as good as some, it is the best thing I ever did.

 

[turbodig]

Re: Stock turbo after 20psi

^ You should save that in a text file so that you can copy/paste every time this comes up.

You're right. I can't count the number of times I've typed that in different forms.

 

[WyoSyclone]

Re: Stock turbo after 20psi

And.... once you get into tuning with Code59 it's a lot of fun
You HAVE TO HAVE patience, but it's really the only correct way to properly tune an engine/truck combo without taking it to someone who can do it in person (mail order stuff just doesn't work).

...Just dive in... you'll like it!

 

[The Devils Own Chariot]

Re: Stock turbo after 20psi

Yeah I know what you guys are saying. I have been trying to just compensate for everything using alky. Im getting to the point where thats not cuting it anymore. I guess burning my own chips is another avenue Im going to have to learn. Im a guy that likes doing things myself. Im not really impressed by a person that takes their car to a shop and just walks away and they have a fully built and tuned machine. The guy that can say I did all the work myself deserves a hand shake. Thats the sort of gradification Im looking for.
Im not risking my motor. I never just jumped into anything without making adjustments and monitoring datamaster.

 

[The Devils Own Chariot]

Re: Stock turbo after 20psi

Should I just go stand alone and be done with it?

 

[turbodig]

Re: Stock turbo after 20psi

Should I just go stand alone and be done with it?

Hate to break it to ya, you have to custom tune a standalone, too.

The point is not that you take it somewhere and pay to have it done, the point is that it gets tuned properly. Giving people the tools/knowhow to DIY is why code59 got started in the first place.

Trusting a chip sent to you in the mail isn't exactly DIY.

My .02.