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late spool on a 50 trim (help)

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Old Nov 28, 2010 | 05:42 AM
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From: Lake In The HIlls
Originally Posted by tscompusa
cooler air is denser, which results in more power. also hotter air makes the turbo work harder to maintain boost pressure. hotter air also makes richer AFR vs colder / denser air has more oxygen due to the density of the molecules being closer together.
Thank you for the great info!
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Old Nov 28, 2010 | 05:43 AM
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From: Poughkeepsie NY, Central Jersey Shore, Fort Meade MD
Originally Posted by MuslimEvoFreak
You can have multiple tunes with map switching.
gonna sound like the newbie i am but how do you map switch? cobb access port?
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Old Nov 28, 2010 | 05:46 AM
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From: Lake In The HIlls
Go to the first page and in my last post I posted a link.
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Old Nov 28, 2010 | 06:08 AM
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From: Poughkeepsie NY, Central Jersey Shore, Fort Meade MD
Originally Posted by MuslimEvoFreak
Go to the first page and in my last post I posted a link.
thats definitely good food for thought for my upcoming build.

now back to the original question is a boost leak the only thing i should check for and where can i have this done?
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Old Nov 28, 2010 | 06:19 AM
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Your spool does not look awful to me from the other 50 trims I have seen. When did you start your pull (what rpm) when you saw 23 psi @ 4300 rpm ? As previously stated, part of this could be your tune, part could be a boost leak, part could be an exhaust leak, or it could just be your setup. Either way, 50 trims don't hit like a stock turbo, so I don't think you are terribly off. Just my $0.02.

cij
Originally Posted by 03evilution
looked through other threads but didnt really see anything on my issue. im in the process of building a beast but still new to the 4g63 from the honda game. my evo currently has a agp 50 trim on it which starts spooling around 3700 and doesnt hit full boost of 23psi till around 4300. any ideas as to what may be the issue? i have been told thats real late for a 50 trim.
my currant mods are:

hks 272's
large fmic
turbotrix upper and lower icp
turbotrix gt turbo kit w/ tubular manifold
agp 50 trim turbo
forge blowoff and wastegate
3" tbe
880cc injectors
walbro 255 pump
3" intake w/ k&n
tuned on stock ecu @ 23psi

anyone have any ideas what i should look at??
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Old Nov 28, 2010 | 06:29 AM
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From: Poughkeepsie NY, Central Jersey Shore, Fort Meade MD
Originally Posted by cij911
Your spool does not look awful to me from the other 50 trims I have seen. When did you start your pull (what rpm) when you saw 23 psi @ 4300 rpm ? As previously stated, part of this could be your tune, part could be a boost leak, part could be an exhaust leak, or it could just be your setup. Either way, 50 trims don't hit like a stock turbo, so I don't think you are terribly off. Just my $0.02.cij
well the only reason i am asking is because of the company the turbo is from tellin me that its spooling late but if it sounds about normal i will probably do boost/exhaust leak checks and if i dont find anything probably just ignore it as i will hopefully be done with my big build sometime in spring. i mean as far as driving the car has plenty of power to get the job done as it sits when boost comes on. as far as when positive pressure starts to build is around 3700 i notice the boost building
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Old Nov 28, 2010 | 07:39 AM
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What size(a/r) is the turbine on the turbo?
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Old Nov 28, 2010 | 07:47 AM
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From: Poughkeepsie NY, Central Jersey Shore, Fort Meade MD
Originally Posted by t1mike
What size(a/r) is the turbine on the turbo?
to be honest it was on the car when i bought it so i dont know
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Old Nov 28, 2010 | 08:05 AM
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What size is the turbine(a/r)?
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Old Nov 28, 2010 | 08:13 AM
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From: Poughkeepsie NY, Central Jersey Shore, Fort Meade MD
Originally Posted by t1mike
What size is the turbine(a/r)?
^^^^ already answered this but im not sure...the turbo was on my car when i bought it. but if this spool time sounds about right then im not going to stress over it. i will check for leaks but as far as im concerned other then it spooling there it runs real smooth throughout my power band and idles and runs real good
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Old Nov 28, 2010 | 08:38 AM
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Originally Posted by 03evilution
^^^^ already answered this but im not sure...the turbo was on my car when i bought it. but if this spool time sounds about right then im not going to stress over it. i will check for leaks but as far as im concerned other then it spooling there it runs real smooth throughout my power band and idles and runs real good
Trust me it's sounds about right..If your trying to compare it to a red or green don;t bother stock frame turbo's will out spool a t3 setup period!
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Old Nov 28, 2010 | 09:11 AM
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From: Poughkeepsie NY, Central Jersey Shore, Fort Meade MD
k thanks alot everyone that threw some knowledge my way
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Old Nov 28, 2010 | 02:56 PM
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Originally Posted by 03evilution
can u run more then one tune on a stock ecu...like a high and low?
yes, and you dont need to buy physical switches, it can be done via the gas pedal or intercooler sprayer button if your car has one.
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Old Nov 28, 2010 | 03:49 PM
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From: Lake In The HIlls
Originally Posted by tscompusa
yes, and you dont need to buy physical switches, it can be done via the gas pedal or intercooler sprayer button if your car has one.

I have never heard of this way. Can you please elaborate?!
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Old Nov 28, 2010 | 04:30 PM
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From: Socal :)
Originally Posted by MuslimEvoFreak

I have never heard of this way. Can you please elaborate?!
The Ecuflash sub-forum is free to read ...Just search Tephra patch or v7 and you'll find a bunch of useful information....
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