2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

Problems with IAT2's...Thoughts

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Old Apr 17, 2010 | 11:47 PM
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From: Glen Burnie MD
Angry Problems with IAT2's...Thoughts

At normal cruise with Mods listed below 140-150. At WOT it can get as high as 245 (WTF Right).

I am thinking that intercooler pump is gone. OPT B is going on next week.

Plumbing seems to all correct for the OTTP H/E if I understand correctly that the in flow for the H/E is the top one and the out is the bottow.

Any thoughts and what is going on

THANKS
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Old Apr 18, 2010 | 12:42 AM
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Check for obstructions such as bugs, dirt, ect blocking airflow over the Intercooler....
Your temps sound like they COULD be okay though.. Not sure....
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Old Apr 18, 2010 | 01:07 AM
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Check your pump. I put the "in" on the bottom so it flows "out" the top of the heat exchanger. Air rises in liquid so it would be easier to bleed it out.
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Old Apr 18, 2010 | 04:11 PM
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IAT2's of 245 are NOT ok. Check your pump.
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Old Apr 18, 2010 | 04:16 PM
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What is your manifold temp at? My pump went, when you are running your car, you may get it to start up again for a bit by tapping it with a rubber mallet... or you could try just turning on your car, not starting it, and seeing if the pump comes on, if it does then your okay, if not, its your pump...
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Old Apr 18, 2010 | 04:21 PM
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Originally Posted by 06SIBLT
What is your manifold temp at? My pump went, when you are running your car, you may get it to start up again for a bit by tapping it with a rubber mallet... or you could try just turning on your car, not starting it, and seeing if the pump comes on, if it does then your okay, if not, its your pump...
The pump will only run with the car running, unless its changed in the tune, IDK if Trifecta does that or not. But you are right about tapping it, I did that for a few months before it stopped working to keep the pump running. Just tap the bracket with a hammer or hard object.
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Old Apr 18, 2010 | 05:23 PM
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Originally Posted by n323er
At normal cruise with Mods listed below 140-150. At WOT it can get as high as 245 (WTF Right).

I am thinking that intercooler pump is gone. OPT B is going on next week.

Plumbing seems to all correct for the OTTP H/E if I understand correctly that the in flow for the H/E is the top one and the out is the bottow.

Any thoughts and what is going on

THANKS
Dude is ur TVS putting down 278? Get tuned ASAP man really.
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Old Apr 18, 2010 | 06:02 PM
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Originally Posted by BlackBaltSw
Dude is ur TVS putting down 278? Get tuned ASAP man really.
who tuned it?
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Old Apr 18, 2010 | 06:07 PM
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it says Trifecta...

But yes the car yanks timing over 160* so 245 is NOT okay!

when you pop off the little cap over the fluid tank can you see it flowing or not?
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Old Apr 18, 2010 | 06:08 PM
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Originally Posted by JapEatr
who tuned it?
sig says trifecta...

your pump is dead and stop doing WOT pulls...only gonna be bad new until you get it fixed
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Old Apr 18, 2010 | 07:58 PM
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From: Glen Burnie MD
Originally Posted by BlackBaltSw
Dude is ur TVS putting down 278? Get tuned ASAP man really.
IT is tuned but it is pulling timing due to the heat did you not read my sig. During the dyno pull IAT in manifold hit 205 which is still bad but I thought well it is hot as ***** out today so what ever. Then when I did a WOT pull last week i noticed the manifold temps at 345 at top of 3rd and was like WFT something is up.

Originally Posted by twzted
sig says trifecta...

your pump is dead and stop doing WOT pulls...only gonna be bad new until you get it fixed
Trust after that 245 reading i have not and will not be doing them opt B and new pump will go on the car on tue/wed

Side question if I am right opt B is a fully closed system as I remove the fill cap and run like a bleeder line from the 2nd reservoir to the stock H/E this will bleed out any air in the system.

Thanks for your thoughts so far guys

Last edited by n323er; Apr 18, 2010 at 07:58 PM. Reason: Automerged Doublepost
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Old Apr 18, 2010 | 08:02 PM
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Originally Posted by n323er
IT is tuned but it is pulling timing due to the heat did you not read my sig. During the dyno pull IAT in manifold hit 205 which is still bad but I thought well it is hot as ***** out today so what ever. Then when I did a WOT pull last week i noticed the manifold temps at 345 at top of 3rd and was like WFT something is up.



Trust after that 245 reading i have not and will not be doing them opt B and new pump will go on the car on tue/wed

Side question if I am right opt B is a fully closed system as I remove the fill cap and run like a bleeder line from the 2nd reservoir to the stock H/E this will bleed out any air in the system.

Thanks for your thoughts so far guys
A flow through is better than the option b set up.
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Old Apr 18, 2010 | 08:05 PM
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From: Glen Burnie MD
Originally Posted by BlackBaltSw
A flow through is better than the option b set up.
Why is that I would have thought a fully enclosed system would have been better???
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Old Apr 18, 2010 | 08:06 PM
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Gimme one sec, i have a flow through on my car that is full enclosed, im not sure you understand what a n option b does. One sec imma get the pics out.
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Old Apr 18, 2010 | 08:07 PM
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From: Glen Burnie MD
Originally Posted by BlackBaltSw
Gimme one sec, i have a flow through on my car that is full enclosed, im not sure you understand what a n option b does. One sec imma get the pics out.
Sounds good dude thanks a lot I am always learning
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Old Apr 18, 2010 | 08:09 PM
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From: NS Chicago


Thats the Tank, Sealed unit.



As you can see it replaces the pointless filler T.

That is the exact tank the option B kit uses, slightly modified.

Last edited by BlackBaltSw; Apr 18, 2010 at 08:09 PM. Reason: Automerged Doublepost
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Old Apr 18, 2010 | 08:13 PM
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Yeah that is what I am going to be installing on wed so is what a said about about the plumbing correct.

After reading the OPT B documentation I understand it as having a small bleeder hose that runs from that 2nd coolant tank to the back of the stock H/E ?????

Also people with TVS and STG II or III what do you all normal see on manifold temps at WOT?

Last edited by n323er; Apr 18, 2010 at 08:13 PM. Reason: Automerged Doublepost
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Old Apr 18, 2010 | 08:15 PM
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From: NS Chicago
Originally Posted by n323er
Yeah that is what I am going to be installing on wed so is what a said about about the plumbing correct.

After reading the OPT B documentation I understand it as having a small bleeder hose that runs from that 2nd coolant tank to the back of the stock H/E ?????
Yea it does, Nice thing about the flow through tank is that it bleeds itself just by running. I have no air in my system, and IAT2s are very low, with only the flow through and meth on a 2.7.

My IAT2s stay under 120 at WOT in 3rd gear.

Last edited by BlackBaltSw; Apr 18, 2010 at 08:15 PM. Reason: Automerged Doublepost
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Old Apr 18, 2010 | 08:19 PM
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Originally Posted by BlackBaltSw
A flow through is better than the option b set up.
air to air is beeter than flow through.

but thats not the point of the thread. def make sure the pump is working. option b will only help if your system is working to begin with.
something else to try would be like said before. make sure your pumps turn on when the car does, that way you can bleed things alot easier and check on the system as well alot easier.

im guessing your on the stock pulley. your temps should never be anywhere near that. those are m62 small pulley temps not what the tvs does

with no airflow on my 2.8 tvs i see temps right around 98 degrees in 96 degree weather

Last edited by freakta; Apr 18, 2010 at 08:19 PM. Reason: Automerged Doublepost
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Old Apr 18, 2010 | 08:19 PM
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From: Glen Burnie MD
Well then hopefully with the opt B and new pump installed I should be all set thanks for the info and this is the correct process right?????

http://www.crateenginedepot.com/store/pdfs/sidekit.pdf
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Old Apr 18, 2010 | 08:19 PM
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Originally Posted by freakta
air to air is beeter than flow through.

but thats not the point of the thread. def make sure the pump is working. option b will only help if your system is working to begin with.
something else to try would be like said before. make sure your pumps turn on when the car does, that way you can bleed things alot easier and check on the system as well alot easier.

im guessing your on the stock pulley. your temps should never be anywhere near that. those are m62 small pulley temps not what the tvs does
I think u misunderstood. A flow through TANK, in place of an option be, to bleed out air and add coolant to the system.
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Old Apr 18, 2010 | 08:23 PM
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From: milton ma
Originally Posted by BlackBaltSw
I think u misunderstood. A flow through TANK, in place of an option be, to bleed out air and add coolant to the system.
ya thats a great option for what hes getting
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Old Apr 18, 2010 | 08:25 PM
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could be the intercooler pump.. I just had to order a new one because mine is shitting the bed... every once in a while Ill have to tap the pump with a mallot to get it pumping again.
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Old Apr 18, 2010 | 10:04 PM
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even while on the dyno with no real airflow, iat1 was around 70 iat2s never got above 125 or so after the third pull

ive got single pass, with option b flow through, and cx racing big front mount
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Old Apr 19, 2010 | 01:51 AM
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Thanks guys will update after I look and install new stuff.
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