Is this a safe tune? *cam swap dyno results*
05-05-2007, 02:56 PM
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Is this a safe tune? *cam swap dyno results* 
The tuner of this 2002 Corvette w/ G5X4 cam excitingly posted that dyno graph on Thursday of his tune that he 'SPENT SEVERAL DAYS TO PERFECT'. I pointed out the dangerously lean condition to the tuner and got flamed and called a troll in return.
Is this a safe tune? I added a red line at the 13:1 mark for reference.Post #42 shows the dyno graph.
http://forums.corvetteforum.com/show....php?t=1690996
05-05-2007, 03:17 PM
#2
This isn't forced inducted...I would say that it's okay... For a FI application you want somewhere around 11.5 AFR @ WOT... it doesn't have to be as rich on a NA app... Usually you can tune for around 12.5 AFR... it is a litte dangerous but nothing too bad to make it explode... Did he post up anything else such as KR??
05-05-2007, 04:02 PM
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It's a little lean for my tastes. You usually make more torque with an AFR around 12.2~12.5 and more power around 12.8~13.0. The top end is close, but he's probably missing out on power down low with the AFR that lean.
