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Discussion Starter #1 (Edited)
I have recently installed a 85mm ported throttle body which increases airflow to the engine, and i want to know should i add more fuel or run leaner via diablo?
 

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You don't need any special tuning for that, maybe datalog a bit so you can see if your running rich or lean, prior to my custom tune, i added a little fuel and that helped, @WOT the first rmp ranges i aded 1.5%
 

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Datalog so you know what to do rather than speculating whether or not it may help. You have all the necessary tools right there, and the log ought to only take about 15-20 minutes. There's a guide floating around here somewhere..
 

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You don't need any special tuning for that, maybe datalog a bit so you can see if your running rich or lean, prior to my custom tune, i added a little fuel and that helped, @WOT the first rmp ranges i aded 1.5%
How do you determine rich or lean with the Predator, without a wideband AFR readout?
 
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