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-   -   4.7l Turbo system!!? (

volcom54626 09-16-2009 08:59 PM

4.7l Turbo system!!?
I was just wondering if anyone has put a turbo on their 4.7l? and if so what tuner they were using and size of injectors. I have a remote mount turbo kit for my truck but don't want to install it with out a good tune, and injectors unless i do not need them, I currently have a superchip running 91 tune, would this be enough?

volcom54626 09-20-2009 08:27 PM

for those of you wondering I spoke with someone at sts, and you do not need a tune to safely run 4 to 5 pounds of boost, how ever they do recommend it. It will also increase your power then just the turbo alone and allow you to run more boost. So I found a custom performance shop here in town, and they will be doing a dyno tuning setup after the turbo system gets installed sometime this week! :smileup:

zilla 09-20-2009 08:35 PM

make sure you put some pics up of the build and once it gets dyno tuned what kind of power are you expecting?

zilla 09-20-2009 08:36 PM

also what shop are you using?

volcom54626 09-20-2009 10:16 PM

with out the tune running about 5 pounds of boost, I am told to expect 100 to 110 rwhp gains, and with the tune crank it up to 6 or 7 pounds and I hope I hope 130 or 140rwhp, the shop that I am going to is vivid racing.

volcom54626 09-20-2009 10:18 PM

Its down in Gilbert. just south of the 60 here is there website if you want to check them out.

GregInAtl 09-20-2009 10:23 PM

Those sound like major gains for such low boost. Typically you see 10-12hp per # of boost on streetable turbos..... the kind that'd require no tune, or mild tune w/ adj FPR (adjustable fuel pressure regulator) larger injectors, and timing changes.
What size turbo are you using?
What size injectors are OEM on a 4.7?
are you doing w/ or w/o intercooler?

volcom54626 09-20-2009 10:29 PM

oh honestly I am just going off of what they said. I think that it is a garret t56 turbo. and they talked me into 60lb injectors, stock injectors i think are around 30lb? and this is with out a intercooler

volcom54626 09-20-2009 10:32 PM

ha now I'm kind of bummed, I was all excited cause that is what they told me. :(

bigjeff64 09-21-2009 06:39 PM

STS said the same to me but also said that if i was to run more boost over 5 to 6 #'s that i would need to stregthen the intake manifold with some stronger bolts!! They said that the stock ones can strip right off.

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