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OK Mike,
If the tuning has been done correctly on mode 3 and 2, very little MAP table tuning is required, especially on piston engines that have no staging. You should be able to go from high idle to WOT with only minor adjustments of the mixture control even prior to table tuning. If this is not the case and you notice major tuning problems, send me a note prior to starting mode 1 or 9 tuning.
Tracy
On Sat, May 9, 2009 at 12:09 AM, Mike Fontenot <mikef@apexconsultingservices.com> wrote:
Tracy,
>>Large changes in the MAP table values can do that but you did not say
at what point in the tuning procedure this turned up. What have you
done or tried so far?<<
I was not specifically tuning, and have not started that seriously. My question was a general one about why surging happens in something like my GEO. I'm hoping to tie the trike down on Sunday and really start tuning (if the weather holds out).
Thanks,
--
Mike
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Mike Fontenot
Apex Consulting & Services LLC
Lakewood, Colorado
303 / 731-6645
mikef AT apexconsultingservices DOT com
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