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what would a good AFR be on a 200 shot

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Old 05-10-2009, 09:57 PM
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Question what would a good AFR be on a 200 shot

im just wondering what should i set my lean shutdown to be at i was guessing about putting it at 12.5 to shut it down for anything leaner than that but i was thinking bout 12.2-10.9 being adequate enough for the nitrous to be okay???i think
Old 05-10-2009, 10:25 PM
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Originally Posted by aug181983
im just wondering what should i set my lean shutdown to be at i was guessing about putting it at 12.5 to shut it down for anything leaner than that but i was thinking bout 12.2-10.9 being adequate enough for the nitrous to be okay???i think
I'll be aiming 11.8 - 12.2 at the leanest on a 125 shot I'll be finishing in a couple weeks...
Old 05-10-2009, 10:31 PM
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Originally Posted by aug181983
im just wondering what should i set my lean shutdown to be at i was guessing about putting it at 12.5 to shut it down for anything leaner than that but i was thinking bout 12.2-10.9 being adequate enough for the nitrous to be okay???i think
Don't worry about it being lean. Being rich will hurt it before being lean ever will. The only way to accurately tune nitrous is by reading the plugs. Don't worry about the a/f until you get a tune up. Once you get a good tune up with the plugs, whatever the a/f ends up being, just use that as a reference. Be conservative with the timing, and you won't have any problems.
Old 05-10-2009, 10:46 PM
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yea i figured that so now the guess would be atleast all i need is the line to be before the bend closer to the electrode rather than the threads....but will AFR get better with the heat strap closer to the tip or near the middle before the bend??
Old 05-11-2009, 12:45 AM
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