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GT35R @ 3psi, good idea?

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Old 01-22-2005, 11:04 AM
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Default GT35R @ 3psi, good idea?

Finally i've got my turbo setup minus some minor parts like oil lines, oil cooler and gaskets. The setup is for a 2 Liter Dart block but it will take an other 3 or 4 month till i have the block build and i can afford a nice clutch and driveshafts.

That's why i want to put the Kit on my stock B18C and drive it with very low boost.
The cr. is 11.1:1 so i not only want but have to keep the boost low.

My goals are not addional HP but to install the parts and get first experience.

Question is if this is a good idea or if it will cause more problems than boost.
Here is the setup:

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote &raquo;</TD></TR><TR><TD CLASS="quote">
Neukin manifold
Precision GT35R
Tial 46mm wastegate
Precision 600HP intercooler
RevHard 2.5"/2.25" Piping Kit
HKS SSQV BOV
3" Downpipe
Thermal 3" exhaust
</TD></TR></TABLE>

I have the 3, 4 and 6 psi springs for the wastegate. Currently the 3 psi spring is installed and that's where i want to start.

Has anyone ever tried to run a GT35R @ 3 psi? Will the wastegate keep the boost stable? Better use the 6 psi spring?


Next thing is the intake where i am not sure if the manifold and throttle body will cause just problems and a lost in power:

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote &raquo;</TD></TR><TR><TD CLASS="quote">
Edelbrock VictorX intake manifold
Edelbrock Fuel rail
Edelbrock FPR
RC 650cc injectors
BBK 70mm throttle body
Edelbrock Fuel filter, Edelbrock Fuel line, GM 3 Bar Map sensor, Hondata gasket
</TD></TR></TABLE>

Better start with the ITR intake and do it step by step? I think the stock 240cc injectors will be fine for 3psi.


Electronics:

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote &raquo;</TD></TR><TR><TD CLASS="quote">
Apex'i Power FC
Apex'i FC Commander, FC Datalogit
Apex'i AVC-R Boost Controller
Apex'i Turbo Timer
Ultra MDI ignition & wires (DIS)
J&S Safeguard
</TD></TR></TABLE>

I have already driven my car with the Power FC and except the idle it was fine. I think the most time consuming part will be the installation of all the electronics.

My car was a non VTEC EG4 and my tuner already had to modify the harness when i did the B18 swap and with the Power FC i have to use a OBD1 - OBD2A conversion harness. I think it would be ghetto to add a turbo timer harness and to splice the cables again and again.



The Power FC is OBD2A and the Ultra MDI was also designed to be used with a OBD2 distributor:



That's why i want to convert the car to OBD2A. Where i can i find info how to change the whole engine harness? Last but not least i am looking for a OBD2A to OBD2A harness with plugs for the turbo timer, AVCR and Safeguard. Who can custom made such a harness?

Thanks
Old 01-22-2005, 11:05 AM
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Default Re: GT35R @ 3psi, good idea? (Andre)

you could probably do 6psi on that motor. 3psi is a waste imo
Old 01-22-2005, 11:07 AM
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Default Re: GT35R @ 3psi, good idea? (wantboost)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by wantboost &raquo;</TD></TR><TR><TD CLASS="quote">you could probably do 6psi on that motor. 3psi is a waste imo</TD></TR></TABLE>

I could also turn up the boost with the AVCR, but i don't know if it's a good idea to play around with the solenoid duty cycle on a 11.1:1 motor
Old 01-22-2005, 11:16 AM
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Default Re: GT35R @ 3psi, good idea? (Andre)

what made you choose 11.1:1 to turbo? I mean i thought i was coo-coo doing 10.5:1.
Old 01-22-2005, 11:19 AM
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Default Re: GT35R @ 3psi, good idea? (Soon_2b_evil)

Tony the Tiger runs 12:1 on his teg. and its boosted. 12psi
Old 01-22-2005, 11:21 AM
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you can throw some boost to it, just make sure its under a watchful eye of a tuner.
Old 01-22-2005, 11:22 AM
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Default Re: GT35R @ 3psi, good idea? (wantboost)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by wantboost &raquo;</TD></TR><TR><TD CLASS="quote">Tony the Tiger runs 12:1 on his teg. and its boosted. 12psi</TD></TR></TABLE>

your right about that. i forgot about him but also he is using a GT28Rs turbo which is alot smaller then the GT35R. Im using a T3/T4
Old 01-22-2005, 11:27 AM
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Default Re: GT35R @ 3psi, good idea? (Soon_2b_evil)

yea, true. I mean, youcould boost alot on compression that high on pump gas, but the tuning would have to be immacualte
Old 01-22-2005, 11:41 AM
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for a conversion harness PM, BLOWN90HATCH

he is JKOBDconversionharnesses, or look in his rpofile for the website, best around price and work!
Old 01-22-2005, 11:41 AM
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Default Re: GT35R @ 3psi, good idea? (wantboost)

yeha tuning would be KEY
Old 01-22-2005, 12:04 PM
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Default Re: GT35R @ 3psi, good idea? (Soon_2b_evil)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Soon_2b_evil &raquo;</TD></TR><TR><TD CLASS="quote">what made you choose 11.1:1 to turbo? I mean i thought i was coo-coo doing 10.5:1.</TD></TR></TABLE>

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Andre &raquo;</TD></TR><TR><TD CLASS="quote">
The setup is for a 2 Liter Dart block but it will take an other 3 or 4 month till i have the block build and i can afford a nice clutch and driveshafts.
</TD></TR></TABLE>

The new block will be 9:1. The B18C is what's currently in the car and was never determined to be boosted.

I just would like to install the parts myself to get more experience and to save some money. I know there will be some work on the exhaust and many hours on the electronics. If the car is already boosted and everything running i will only have to pay the tuner for the work on the block and the tuning of the new motor.
Old 01-22-2005, 12:14 PM
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Default Re: GT35R @ 3psi, good idea? (Andre)

thats the wrong turbo to use, needs lots of boost to spool and i dont think your compression will make up for it. i would downsize on the turbo.
Old 01-22-2005, 12:22 PM
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Default Re: GT35R @ 3psi, good idea? (Boostedcivicsi)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Boostedcivicsi &raquo;</TD></TR><TR><TD CLASS="quote">thats the wrong turbo to use, needs lots of boost to spool and i dont think your compression will make up for it. i would downsize on the turbo.</TD></TR></TABLE>

The GT35R is the wrong turbo for the B18 or the wrong turbo for a 84x89mm (bore x stroke) 9:1 block? I don't think so.

Old 01-22-2005, 01:21 PM
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Default Re: GT35R @ 3psi, good idea? (Andre)

Whoop Whoop Whooooaawww..
Old 01-22-2005, 02:00 PM
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Default Re: GT35R @ 3psi, good idea? (92SleepyHB)

I wouldn't boost it if you're missing "Minor" components such as oil lines, if that's what you're asking?
Old 01-22-2005, 02:43 PM
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Default Re: GT35R @ 3psi, good idea? (turboteg2nv)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by turboteg2nv &raquo;</TD></TR><TR><TD CLASS="quote">I wouldn't boost it if you're missing "Minor" components such as oil lines, if that's what you're asking? </TD></TR></TABLE>

Please read the question. Thanks.
Old 01-22-2005, 03:46 PM
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If you get that tuned, you can easily hit over 300 whp on that 11.1:1 compression. I did it on my TEG. All stock internals... Hondata S200b @ 7.5 spring peaking at 9 psi....
Old 01-22-2005, 06:02 PM
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Default Re: GT35R @ 3psi, good idea? (Andre)

people turbo stock ITR motors with no problems,so you shouldn't have any either.keep it at lower boost,with decent tuning.
Chris
Old 01-22-2005, 06:14 PM
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i have my turbo R @ 7 pds and it runs great...

i need to have a more tuning, we are running uberdate, and it is street tuned right now...
Old 01-23-2005, 06:57 AM
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Default Re: (thermal)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by thermal &raquo;</TD></TR><TR><TD CLASS="quote">If you get that tuned, you can easily hit over 300 whp on that 11.1:1 compression. I did it on my TEG. All stock internals... Hondata S200b @ 7.5 spring peaking at 9 psi....</TD></TR></TABLE>

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by OUTKAST_R &raquo;</TD></TR><TR><TD CLASS="quote">i have my turbo R @ 7 pds and it runs great...

i need to have a more tuning, we are running uberdate, and it is street tuned right now... </TD></TR></TABLE>

Thank you both for your input. I know tuning is the key with a high cr., that's why i want to keep the boost as low as possible. 11.1:1 is also more then USDM Teg with 10.5:1.

And that would be 3psi. But i don't know if it's possible to keep the boost stable with a GT35R and a 46mm. The wastegate should flow enough.

Or am i just too scared to blow up the motor?
Old 01-23-2005, 07:41 AM
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Default Re: (Andre)

Why even make this thread?

You already know you want to install it and know ones changing your mind

Its going to be a large waste of money on the tuning side and lots of time getting **** ready

Personally I wouldnt do it, waste of time and money and complication whenyour car is running fine, what if you break something internally? $2k motor unsellable now

You say you want the install experience....

Its ******* 20 bolts, downpipe, charge pipes and some wiring

I wouldnt do it, but your set on doing it
Old 01-23-2005, 08:00 AM
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Default Re: (W O T)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by W O T &raquo;</TD></TR><TR><TD CLASS="quote">
You say you want the install experience....

Its ******* 20 bolts, downpipe, charge pipes and some wiring
</TD></TR></TABLE>

It's way more than that. Installing the PLX wideband, make the Power FC read the correct values, installing the MAP sensor and calibrate it, tuning the Power FC. Installing the Safeguard and set up the sensitivity. Installing the AVC-R and do the gear learning and learn how to set up target boost and solenoid duty cycle. And finaly installing the turbo timer and distributorless ignition with a new distributor (for the sensors) and a new engine harness. But yes, that's just 'some wiring'.


<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by W O T &raquo;</TD></TR><TR><TD CLASS="quote">
I wouldnt do it, but your set on doing it</TD></TR></TABLE>

I'm not set, i would like to know from someone who even has a turbo setup if the boost will be stable or if it will be unstable and creep (when VTEC kicks in etc).
Old 01-23-2005, 08:21 AM
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Default Re: (Andre)

Yeah, some wiring. Would you be doing all this yourself?

ANd youre not going to find anyone weird enough to install a large turbo only to run 2-3psi to tell you if itll creep or fall off

Why put useless miles on new turbo components and risk damaging a motor/block that you can sell when you swap...

Might as well buy an electric supercharger, 1psi withouth the hassle lol ahahaha
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