02-19-2015, 05:25 AM
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#19
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Here's a few basic AFR references, note that NONE say that 12.5:1 or leaner is ideal and richer is unsafe:
http://www.turbobygarrett.com/turbob...g_rich_vs_lean
http://www.endtuning.com/afr.html
http://www.autospeed.com/cms/article.html?&A=1595 (Note point 3)
http://tunertools.com/articles/AFR-Tuning.asp
Lets not forget, where are you measuring AFRs? Are you taking into account valve overlap?
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