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Old 03-18-2014, 12:07 PM   #20 (permalink)
KrautBurner
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Join Date: Mar 2014
Location: SUNNY Sequim, Wa
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Cavalier of D00M - '05 Pontiac GTO LS2 T56
90 day: 23.2 mpg (US)

The New One - '10 Toyota Prius II
90 day: 51.55 mpg (US)

Chick Magnet - '91 Geo Metro 3cyl/5sp
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Quote:
Originally Posted by iveyjh View Post
Maybe I missed it somewhere in the reading of this post nobody ever answered your question about cruising AFR. I find that a ratio of about 16.5 to 18.5 to 1 yields good economy. I don't think you can reach that ratio by just adjusting the idle jets though.
Good luck
that seems aweful lean to me
but all my AFR tuning was done at WOT

thats why I mentioned a EGT (Pyrometer) could be a good safety gauge
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2005 GTO 6.0 V8 (600hp)

1991 Geo Metro 1.0 3/5 base

2010 Prius II (replaced 2001 Tahoe 5.3 V8 April 2014)

1994 F-350 7.3 TurboDiesel (Rollin' Coal)
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