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3-4PSI turbo on 420A a safe bet?

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grmoo

20+ Year Contributor
95
0
Aug 10, 2002
Portland, Maine
Ok, say if I were to get a turbo, the exhaust manifold, the intake and all the extra little stuff...and were to run it at like 3-4PSI could we say that I would be at absolutly no risk of harming my engine? It would only run like this of course until I am able to upgrade the internals...even though, that would still give me like a 40HP gain or so, right?

This is w/o an intercooler...
 
well you can run up to like 8 or 9 psi on stock internals, i dont know about without an intercooler then but at 3-4 it would definitely be fine... dont know if it would be much of a gain at that level but since youre prob planning on adding an IC and other parts to increase your boost then i wont give you the "not worth the money for that boost" thing :p

go for it your engine will be fine!
 
thats actualy pretty good, cause people can run 190hp till they get enough money to upgrade the internals, but im not so shure it would be good without a intercoolr, and it would still need some tuning.
 
Well, the way it is now I can get all of that stuff for like $500 or so...which isn't too bad at all. And then from there after I can afford it, I get an intercooler, and replace pistons, rings, and rods.

In the end I am really only looking for 210HP or so....and maybe eventually more. That is it for now....

I would have bought a turbo car right off, but they are a rare commodity. AND if they can even be found they are like 10 grand and they are all beat up, and have been smashed and what not...I paid 3 for my GS in EXCELLENT condition so I figured I just might as well get it and throw a turbo on...little did I know at the time that it wasn't exactly that simple...but still, it doesn't even seem that bad...I can do it all for 2grand...so yeah
 
yeah im in the same boat, i havent decided yet if i want to turbo it or leave it since i inteded this to be my daily driver so i could keep the others off the road more but i have a problem with not being able to leave a car stock. hah

oh a side note people need to realize that turbo 2g dsms are so hard to find sometimes in certain areas and that "go buy a turbo car" is such a ridiculous answer to a simple questions. oh this has been said before anyway time to stop, peace.
 
look at hrc, they have stage 1 which i have spoken to them and they said it was exactly the same as stage two, whats the diff u ask? the intercooler. Acording to them u can run a turbo w.out an intercooler, personally i wouldnt push it over 6 or 7, with an intercooler i would max at 8 or 9 (u can push till 10), and then wit suppporting mods skys the limit.....
 
check with the turbo makers for our cars, if you can get us a turbo and manifold deal for 500 bucks then im prety shure lots of people here would be interested. run 3-4 psi untill you upgrade the internals.
 
Man if you can get a turbo an manifold and the other mods for 500. Id save my money for the internals. Thats if the deal is still gonna be there the time you have the money. I gotta good deal on my internals from dyno flow. then i bought the turbo when i had more money. At least that way you know your safe to run 3-4 psi not cooled.
 
yea if i could get a manifold and a turbo for 500 (which turbo) i would prolly be in n im sure alot of ppl would n u could get a group buy
 
500 bucks for a turbo AND manifold? That sounds a bit farfatched on the consumer-end (I mean unless you have a machining shop in your pocket). Down here in MIA World Wide Racing charges 450-500 bucks for the manifold alone. South Florida Performance charges about the same. If someone can get a manifold and turbo that cheap, that's trust whorty (, I'd be in for a group buy, hell yea. :thumb: :dsm: :talon: :laser:
 
Well...I am not speaking brand new...NOOO not at all...I mean used, like off of a junked turbo car or something, or on ebay. I just found a whole kit for $250 it doesn't have the intake, or manifold but it has the intercooler, turbo, and piping....but, the cheapest that I have seen new, that is for EVERYTHING is $1500....but I am still looking around, and if they are out there then I will find it.
 
theres more to it than buying used turbo dsm parts. You need a new downpipe, you need oil lines, water lines, injectors, fuel pump, a way of fuel tuning, the turbo, an intercooler, a way of logging, gaskets and bolts ( those add up ) and a few more things. It's not as simple as buying a used turbo and manifold off of ebay and bolting it all up....
 
thats why it costs 2g for a turbo kit cause of all those parts LOL. let us know how it goes if you decide to go through with it.
 
You don't need fuel pump, and fuel injectors if you are just running it at like 4PSI do you?

....or maybe I am just a retard...I am willing to bet on that one!
 
What if I were to buy a first gen turbo car, like the whole car, and take what I needed and then sold the rest of the car? Would that work?
 
umm.... No. Wont work man! engines are totally different. You need a lot of little stuff. Itsnot as easy as slapping a manifold and a turbo on. Heres a list of everything i got from hahns maybe this well help you understand what you need ................ you need manifold with a t3/t4 style flange, turbo that will bolt to that flange, oil lines, oil line connectors, missing link, fuelpump, intake tubes, bov, boostguage, and a fpr, not to mention a gasket or two, Did i get everything everyone? If i were you save your money for a kit.
 
Do they have kits for the 420A though? The only ones that I have ever seen are ones that are for the 4G63T.
 
Does anyone know where I can find som information about about the AFX ECU? I yet to find anything about it anywehere.....
 
grmoo said:
Does anyone know where I can find som information about about the AFX ECU? I yet to find anything about it anywehere.....

You don't need that and you clearly don't know what you are doing. Buy a turbo model to begin with .. it will make your life a lot easier. Unless you want to spend $2500 on a turbo kit and have it sit in your room because you don't know how to install and tune it all?
 
Okay yeah, see it isn't that simple. I can't just "go buy a turbo car"...and also, I am in the process of what some would call "learning". I am looking at several different options and exploring them....I am asking because I want to learn, that is how it works.
 
Wow I have been away too long. There are 3 choices for turboing a 420a. They are Hahn, Star, or Custom. As for the AFX ECU, it works for non turbo cars but do not use it with a turbo car, it advances timing and on the 2gnt's that usually = boom. grmoo you don't know enough yet to be thinking about a custom kit. If you decide to go custom you will need to do A LOT of research. If I were you I would get a kit my friend.
 
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