Pontiac GTO 2004-2006 The Modern Goat

When it is hot. Our cars are slow.

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Old 06-09-2011, 12:06 PM
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Unhappy When it is hot. Our cars are slow.

I can feel a significant difference between my car today and last night. According to my dynolicious app on my Ipod my car went from 340whp to 315. lol I need a CAI soon and a 180 thermostat. What is the stock thermo on these 6.0's?
Old 06-09-2011, 12:09 PM
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Yeah - I've got some stuff coming from Heatshield Products to hopefully insulate my Volant airbox a lot better. Heatsoak is a PITA on these cars!
Old 06-09-2011, 12:14 PM
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I'm running to the strip tonight. I plan on parking the car and opening the hood for about 15 minutes before I make a pass.
Old 06-09-2011, 12:36 PM
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make sure to change coolant at least every 3 years. Orange stuff will stop working after 3 years.
Old 06-09-2011, 03:21 PM
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Originally Posted by therat1989
I'm running to the strip tonight. I plan on parking the car and opening the hood for about 15 minutes before I make a pass.
Post up tonight afterwards and let us know how you do. I remember you saying the best you got with the ol' stang was a 8.71. Sorry for the op
Old 06-09-2011, 04:56 PM
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Keep the hood up and don't idle for too long in the staging lanes. Icing the intake manifold between runs also helps. These cars are very prone to heatsoak.
Old 06-09-2011, 04:59 PM
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Cars are tuned at operating temps.. running below the first line will usually not yield the best pass.
Heat soak and operating temp is two different things.
Old 06-10-2011, 08:20 AM
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Look @ the Vector heat soak reduction kit. The IAT sensor sits inside the maf on LS2 cars. Since the Maf housing gets very hot and retains the heat it keeps your IAT sensor reading 20 to 30 degrees higher than ambient. The factory sensor is very, very, very smurfing slow. The vector kit relocate's the IAT sensor to wherever you choose to place it & replaces the retarded stock sensor with a fast acting IAT sensor.
Old 06-10-2011, 04:27 PM
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Originally Posted by LSWONGTO
Look @ the Vector heat soak reduction kit. The IAT sensor sits inside the maf on LS2 cars. Since the Maf housing gets very hot and retains the heat it keeps your IAT sensor reading 20 to 30 degrees higher than ambient. The factory sensor is very, very, very smurfing slow. The vector kit relocate's the IAT sensor to wherever you choose to place it & replaces the retarded stock sensor with a fast acting IAT sensor.
Go with this.
Old 06-11-2011, 04:43 PM
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I'm a little partial but my intake works awesome for heat and I have a better designed thermistor temp sensor than the HSRK for a cheaper price.

Old 06-11-2011, 07:27 PM
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Yes, if you can afford it, the svede intake is another good way to go.
Old 06-11-2011, 07:38 PM
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Originally Posted by seawolf06
Yes, if you can afford it, the svede intake is another good way to go.
This.

Racing in 90-100 degree heat is a waste of gas anyway IMHO.
Old 06-11-2011, 10:44 PM
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I've got a IAT sensor on my goat and down here in New Mexico its gets to about 120-130 degree's in city driving but when im on the highway it gets down to about 5-10 degrees within the outside temp.
Old 06-12-2011, 12:49 AM
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Originally Posted by svede1212
I'm a little partial but my intake works awesome for heat and I have a better designed thermistor temp sensor than the HSRK for a cheaper price.

Oh I forgot about the svede with your IAT relocate. Its awesome and sits the IAT sensor close to the front grill and the Intake looks great while making more power & getting rid of heatsoak.
Old 06-14-2011, 12:13 PM
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Since I installed my SVEDE OTRCAI, no more IAT problems...or breathing restrictions.
Old 06-14-2011, 01:44 PM
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and a 180 thermostat
Useless. Not only will that not really lower engine temp enough to matter, but engine temp is not really what's causing your power loss. It's air intake temps that's doing so.

You can run your engine at 160* but if you've got sky high air intake temps then it's not going to matter.

Icing the intake manifold between runs also helps
Unless you have a supercharger on there than that is also pretty pointless, they are plastic intakes that don't heatsoak. And sure you can ice the plastic and lower temps inside the manifold, but if the air filter is sucking in 140* air then it doesn't matter how much you ice your manifold. The problem with the hot air is at the filter not the manifold.
Old 06-14-2011, 05:20 PM
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Originally Posted by ShoddyHog
Since I installed my SVEDE OTRCAI, no more IAT problems...or breathing restrictions.
The problem is getting a hold of one. I heard there is a how to guide to make one. I would take on that task for sure if I could find it.
Old 06-14-2011, 05:59 PM
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My tuner had this same issue, we swapped to a volant CIA and it helped out big time. But I did also notice my car fAlling on it's face when it's hot out
Old 06-14-2011, 06:14 PM
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Originally Posted by therat1989
The problem is getting a hold of one. I heard there is a how to guide to make one. I would take on that task for sure if I could find it.
They are pretty easy to get now that WCS has them in stock.

http://www.westcoastspeed.com/zentes...products_id=19
Old 06-14-2011, 06:31 PM
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Originally Posted by mullet cruizer
My tuner had this same issue, we swapped to a volant CIA and it helped out big time. But I did also notice my car fAlling on it's face when it's hot out
Some day when you take your car to the track (and it's not hot out) do a couple of runs and then take the top off the Volant's box and do it again. You'll see a couple of MPH quicker traps without the top. The Volant is fairly restrictive due to that box and the tube.


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