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Here is my log showing my rise with ATP with shroud removed. About 11* rise. Not much to brag about but much better than stock at least. OP, maybe you can add on original page. Mods are on my signature.

datazap.me | pacdawg | Cobb OTS Stage 3
 
We had a beautiful 70* day this afternoon! I did a log for some spark tuning and grabbed CAT in the process.

CXR DIY Start temp 2800 rpm 72.1, 3rd gear pull, 6044 temp 74.8. 2.7* Rise
Datazap
Something doesn't seem right with that CAT. I don't think your sensor is getting the proper reading from the air in the intercooler.
 
If I remember correctly your map sensor is mounted at the top of the IC right? Do you think that maybe your sensor is not getting proper flow across it by being at the very top of the core? I'd think that there would be a bit of stagnant air up there since the majority of the air will take the path of least resistance and go from inlet to outlet. I'm only suggesting this because I've personally seen massive differences in temp readings just from the placement of the sensor on the core vs on the piping.
 
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Anything is possible. The flip side to that is the elbow isn't a heat exchanger, and shows an inaccurately high reading via heatsoak. Not sure and I don't have the time or money to find out. I do know, however, I'm pushing ignition advance pretty hard on straight 93, where others were already mixing Ethanol. So I just don't believe it's an inaccurate reading, especially with so many ECU compensations based on CATs.

I'll get a comparison log between ic mount vs elbow mount and see what the results are.



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Anything is possible. The flip side to that is the elbow isn't a heat exchanger, and shows an inaccurately high reading via heatsoak. Not sure and I don't have the time or money to find out. I do know, however, I'm pushing ignition advance pretty hard on straight 93, where others were already mixing Ethanol. So I just don't believe it's an inaccurate reading, especially with so many ECU compensations based on CATs.

I'll get a comparison log between ic mount vs elbow mount and see what the results are.



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Enchinsuosha has the GSP core with the MAP on the elbow and I have it mounted on the end tank. We both have 20 degree differences in temps across the entire RPM range. His also sees immediate cool down after a run where as mine takes forever to get back to ambient.
 
I'm content with seeing 10-15* above ambient because in my experience that is realistic. I do feel like my MAP sensor is improperly placed since I am the only person with the GSP core that has it mounted on the end tank and there is an obvious difference in max temps as well as cool down.

I'll see if anyone I who has a GSP I made can post up a log so you can see what I'm talking about.
 
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