fuel trims on stock 2002z28
LS1Tech Sponsor
Joined: Dec 2005
Posts: 2,932
Likes: 12
From: CT
that's too rich...
at part-throttle, normal driving/cruising, at 1800-2000 rpm, you want the LTFT's to be about 0 to -2....
at WOT, the fuel trims aren't used anyway.. unless they're positive (at which point the pcm will add fuel on top of the PE fueling table), which you don't want - hence the reason to get them slightly negative during part-throttle normal driving...
at part-throttle, normal driving/cruising, at 1800-2000 rpm, you want the LTFT's to be about 0 to -2....
at WOT, the fuel trims aren't used anyway.. unless they're positive (at which point the pcm will add fuel on top of the PE fueling table), which you don't want - hence the reason to get them slightly negative during part-throttle normal driving...
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06MonteSS / DiabLew Tune
2014 Camaro 2SS/RS - LS3, 6-speed manual, short-throw performance shifter, NPP dual-mode performance exhaust, 1LE front splitter, ZL1 rockers, Z28 Rear Spoiler, all paint-matched Red Rock Metallic, BMR strut tower brace, Cold Air Inductions cold air intake, Apex Motorsports, Inc. catch-can, Custom DiabLew Tune
www.diablewtune.com -- www.diablocustomtune.com -- www.diablocustomtunegm.com
06MonteSS / DiabLew Tune
2014 Camaro 2SS/RS - LS3, 6-speed manual, short-throw performance shifter, NPP dual-mode performance exhaust, 1LE front splitter, ZL1 rockers, Z28 Rear Spoiler, all paint-matched Red Rock Metallic, BMR strut tower brace, Cold Air Inductions cold air intake, Apex Motorsports, Inc. catch-can, Custom DiabLew Tune
www.diablewtune.com -- www.diablocustomtune.com -- www.diablocustomtunegm.com
On The Tree
Joined: Sep 2007
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