What are stock LS3 AFR's like? - LS1TECH

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What are stock LS3 AFR's like?

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Old 11-15-2007, 07:23 PM   #1
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Default What are stock LS3 AFR's like?

a friend dyno'd his car today a 2200 mile stock LS3. It put down 366 RWHP and 359 TQ. Owner was looking for a little more HP.

@ 4K AFR is 11.25:1
@ 5.5K AFR is 10.75:1
@ 6K AFR is 11.5:1

This a factory PCM. Just wondering if they are all this rich?
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Old 11-15-2007, 07:23 PM
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