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

Dual Pass Question

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Old 08-21-2009, 09:17 PM
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Dual Pass Question

My next mod is going to be the dual pass endplate and so my question is what kind of temp drops did everyone see before and after the dual pass?
Old 08-21-2009, 09:18 PM
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WHY? You have plenty of cooling now!
Old 08-21-2009, 09:24 PM
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Its still staying around 140-150
Old 08-21-2009, 09:28 PM
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Then something IS not right. You have the same setup and tune (basically) as me...

I was 100-110* IAT2

Are you sure you are spraying.... did you put the hose out the hood and watch it spray out when you get into boost?

Last edited by 1badBlueberrySC; 08-21-2009 at 09:28 PM. Reason: Automerged Doublepost
Old 08-21-2009, 09:29 PM
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check that pump... and cooling will always help... might not get u hp but it will keep the hp u start out with b4 it heat soaks longer.... i heard its a 2 day job to do it... i am thinkin about doing it when i get my blower ported.
Old 08-21-2009, 09:29 PM
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The meth seems like it gives it more power but it really doesnt cool it down. You had a 2.8 though and i have the 2.7 right
Old 08-21-2009, 09:29 PM
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Uh, NO I had a 2.7 too as well as a 2.6 at the end...

My highest IAT2 was 117* at the track after 5 runs!
Old 08-21-2009, 09:30 PM
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Yea its spraying i definitely know that
Old 08-21-2009, 09:31 PM
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Then your mixture isn't right....

Get 1 gallon of distilled water and 5 bottles of HEET.

Mix the 5 bottles of HEET in a CLEAN empty 1 gallon jug, the rest with the distilled water!
Old 08-21-2009, 09:32 PM
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Ok but it usually gets up to 150 and i hardly get into the boost for it to spray so just normal driving it gets that high
Old 08-21-2009, 09:34 PM
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normal driving.... you may want to check your H/E pump then.... because out of boost the meth wouldn't spray anyway!

Empty your H/E and fill it with 70% distilled water and 30% Dexcool coolant and some Water Wetter
Old 08-21-2009, 09:35 PM
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Yea the heat exchanger has that mixture in it. The pump has to be working from what i can see cause it will drop a lil when i get on it a lil which kicks the pump on.
Old 08-21-2009, 09:36 PM
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No your H/E pump not the meth pump! Because that is higher than the last time you were out here!
Old 08-21-2009, 09:38 PM
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Yea i am talking about the H/E pump and my temps have always been around 140-150 since putting on the 2.7.
Old 08-21-2009, 09:40 PM
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Something isn't right dude.... your meth doesn't spray untill 6psi so under no or very low boost situations you are only on the H/E...

You shouldn't be that high without something being up...
Old 08-21-2009, 09:42 PM
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Thats what i was thinking but i am pretty sure the h/e pump is working because it bleed itself out when i recently switched it to distilled/dexcool
Old 08-21-2009, 10:51 PM
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I dont' know... maybe you have some air in the lines... but it shouldn't be that hot just under non-WOT conditions
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