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Old 10-21-2019, 10:37 PM   #1
Daze513
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Definitive AFR values for max power at stage 1 setup

Hey guys. So Iíve been riding on my current tune a while which I have massively enjoyed. But Iíve been looking over the AFRs wondering whether I have the AFR to provide the most power. Iíve been reading every thread I could and there seems to be no straight answer. Seen it all from low 12s to mid 13s.

What is the best Afr under stage 1 conditions for power? Mid range rpm is currently in the upper 12, and upper rpms to redline are about 12.5, obviously at 100kpa. Thoughts?




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Old 10-22-2019, 10:36 AM   #2
rbabos
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Quote:
Originally Posted by Daze513 View Post
Hey guys. So Iíve been riding on my current tune a while which I have massively enjoyed. But Iíve been looking over the AFRs wondering whether I have the AFR to provide the most power. Iíve been reading every thread I could and there seems to be no straight answer. Seen it all from low 12s to mid 13s.

What is the best Afr under stage 1 conditions for power? Mid range rpm is currently in the upper 12, and upper rpms to redline are about 12.5, obviously at 100kpa. Thoughts?




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Doubt you will ever get a straight answer, however 12.5-13.5 is the most common. Leaning a hair to the leaner side will produce a hair more as long as the timing is spot on. 13 would be a good safe number.
Ron
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