Update on the Lemmiwinks settings
12-10-2004, 08:51 AM
#1
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Update on the Lemmiwinks settings
I've had the following settings in place for 3 weeks and the results are below:
+100 RPM on Ch1 Idle speed offset
103% on Ch2 Fuel Tweak (accel pump) increasing loads
100KMh on ch 7 Additive offset to speed limiter (this will be fun to test)
+1.5 Degrees on Ch9 (Ignition timing offset)
.195% on Ch 10 (Primary fuel tweak)
+5 on Ch 14 Idle Torque additive offset
The biggest difference is in responsiveness at part throttle when the car is already moving. Scenarios like when you are in traffic and coasting along and then dip into it when it's moving again. Feels much better in that aspect.
Acceleration is improved, and perceivable immediately after the change but not night and day.
The biggest thing is that there's a better lurch factor from idle to acceleration that is pretty noticeable and make the changes worthwhile.
I've noticed a 3-5 mpg fuel consumption reduction over the last 3 weeks since I've made the changes, but that's most likely because I've been pushing it harder at every opportunity.
I'm going back to stock for the next few weeks to see if it's all in my head or the adaptive engine/transmission management and then plan on trying something more aggressive.
I'll keep you posted!
+100 RPM on Ch1 Idle speed offset
103% on Ch2 Fuel Tweak (accel pump) increasing loads
100KMh on ch 7 Additive offset to speed limiter (this will be fun to test)
+1.5 Degrees on Ch9 (Ignition timing offset)
.195% on Ch 10 (Primary fuel tweak)
+5 on Ch 14 Idle Torque additive offset
The biggest difference is in responsiveness at part throttle when the car is already moving. Scenarios like when you are in traffic and coasting along and then dip into it when it's moving again. Feels much better in that aspect.
Acceleration is improved, and perceivable immediately after the change but not night and day.
The biggest thing is that there's a better lurch factor from idle to acceleration that is pretty noticeable and make the changes worthwhile.
I've noticed a 3-5 mpg fuel consumption reduction over the last 3 weeks since I've made the changes, but that's most likely because I've been pushing it harder at every opportunity.
I'm going back to stock for the next few weeks to see if it's all in my head or the adaptive engine/transmission management and then plan on trying something more aggressive.
I'll keep you posted!
12-13-2004, 03:08 PM
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you making these changes from stock ECU settings??? Or on top of a chip's settings?
How much overlap is there between lemmewinks and what a chip resets? Anyone know?
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12-18-2004, 11:01 AM
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those are weak sauce settings.. i highly doubt you'll feel any difference with that...
crank the timing to 17 degrees.. up the fueling 10% and up the idle torque to 90. Then come talk to me.. that's where the serious power is. Have you even checked your correction factors? Do you even know what CF factors the 4.2 motor runs and where it shouldn't be before you start pinging?
12-19-2004, 07:44 AM
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I started conservative as I've never done this. What are the CFs?
Those settings are a big jump from the ones I've tried. Did you log the results & what other changes did you make? Intake/Exhaust/etc?
I'm very interested in your setup to get a little more pep from the fam sedan.
PS - Come talk tuning to me when you can pull 192hp/liter on street gas and get 11.8 1/4 mile times. 480hp/525lb-ft torque -- '86 951, My other car.
I'm very interested in your setup to get a little more pep from the fam sedan.
PS - Come talk tuning to me when you can pull 192hp/liter on street gas and get 11.8 1/4 mile times. 480hp/525lb-ft torque -- '86 951, My other car.
