PRL Cobra CAI Race Tuning

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The intake is great but had to have the Ktuner to have it run correctly made a significant difference in acceleration but once I upgraded to the TSP stage 1 tune it is a totally different car. I didnt keep it on the provided basemap long.
Were there any major changes that needed to be made to the TSP stage 1 tune to get it to work properly with the Race MAF? I've got just the 19.5-23 psi basemap plus what Ktuner provided for the Race MAF and am always looking to get the car to perform at a higher level.
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Were there any major changes that needed to be made to the TSP stage 1 tune to get it to work properly with the Race MAF? I've got just the 19.5-23 psi basemap plus what Ktuner provided for the Race MAF and am always looking to get the car to perform at a higher level.
No when you order tell them its for the Race MAF. Mine on 93 octane hits a max of 26psi
 

siguy7

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Will this calibration work for a race MAF/SRI combo? Or is it CAI specific?
 

siguy7

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It was created with the CAI, but may do well with the SRI as well. Happy to review your data if you have one.
I don't have one yet, still shopping around. But thank you for offering!
 


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farqt

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i have an SRI race MAF housing on an Si with your scaled basemap. IATs are ridiculously low right now and will be for the rest of the winter though. K.ctrl never breaks from 0.49, so my logs are unlikely to be interesting right now.
 

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i have an SRI race MAF housing on an Si with your scaled basemap. IATs are ridiculously low right now and will be for the rest of the winter though. K.ctrl never breaks from 0.49, so my logs are unlikely to be interesting right now.
How are the fuel trims?
 

farqt

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I have only been looking at lambda on the v2 screen, but it is running leaner than I would expect a motor like this to run.

Ex: last night in sixth a few blips up to 2-6psi and lambda appeared to settle on 14.2 on boost. It can also run, at partial vac, low speed, but lpart throttle, slightly higher than stoich, maybe 15.7-9

I have been really lazy about logging, but I could start logging if you want to look over the data. The only non-stock powertrain component is the sri and the ktuner program

Note though that my injectors are particularly noisy and I rack up knock events from the sensors. The ecu has managed to learn that those are false alarms and settled on zero timing pull.
 




 


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