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Tech & Fab
Compression versus octane?
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<blockquote data-quote="CHASMAN9" data-source="post: 520432" data-attributes="member: 307"><p>On my 388ci, I am running 14:5:1 with aluminum heads and burning 116 octane in it. I have had it tuned twice now and from what I have been told, the AFR (Air Flow Ratio) is the most important number to watch for in the tune. Mine started at 3 and was tuned to 12. I do not know what all that means, only that it brought the numbers up 287 hp and 254 ft#'s torque from the <u><strong>original pull</strong></u>, and that's on a chassis dyno tune running 44's. Not bad for a little mouse motor. <img src="/styles/default/xenforo/smilies2/thumb.gif" class="smilie" loading="lazy" alt="thumb.gif" title="Thumb thumb.gif" data-shortname="thumb.gif" /></p></blockquote><p></p>
[QUOTE="CHASMAN9, post: 520432, member: 307"] On my 388ci, I am running 14:5:1 with aluminum heads and burning 116 octane in it. I have had it tuned twice now and from what I have been told, the AFR (Air Flow Ratio) is the most important number to watch for in the tune. Mine started at 3 and was tuned to 12. I do not know what all that means, only that it brought the numbers up 287 hp and 254 ft#'s torque from the [u][b]original pull[/b][/u], and that's on a chassis dyno tune running 44's. Not bad for a little mouse motor. thumb.gif [/QUOTE]
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