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Discussion Starter #1
I had a post on here the other day about the difference between the KR when my car is cold and when it is hot. Well today on my way home from work, I plugged my Predator up. I did a run when the temp was 204 degrees and I got 1.5 KR that spiked only when I shifted.

I did a run when it was 219 degrees and I was getting 3 KR when I shifted and it would take the whole RPM range before it ever got back down to 0. That just about seals the deal for me. What's the best tstat I can get at a local parts store?
 

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Discussion Starter #3
I know I'm not saying it will get rid of the KR at the shifts but when my temp was 219 the KR didn't just spike at the shifts and then go back down it spike and then take the rest of the RPM range to get to 0, so I had a little KR almost all the time. This wasn't the case when it was 204.
 

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well i have a tstat and was still seeing st knk at my shifts using 93 octane gas and the 93 CAI tune
This is exactly why I decided to run the 91 CAI tune for now, at least until I can install a catch can.
 
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