How To Use an Air/Fuel Meter to Optimize Your Ignition Timing Curve
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From: B.Land
How To Use an Air/Fuel Meter to Optimize Your Ignition Timing Curve
Ignition Tuning 201, by Jeff Schlemmer of Advanced Distibutors LLC
This is based on the fact at MBT, the engines pulls the most vacuum, therefore the A/F gets leaner
BTW leaner A/F also impacts vacuum, so we need to repeat the process a few times.
For part-throttle, (a) use blocks of woods of different thickness under the gas pedal and (b) different gears to get to different load sites
The approach can be refined with data-logging (MAP, A/F, TPS)
Be interested to hear your feedback and comments
This is based on the fact at MBT, the engines pulls the most vacuum, therefore the A/F gets leaner
BTW leaner A/F also impacts vacuum, so we need to repeat the process a few times.
For part-throttle, (a) use blocks of woods of different thickness under the gas pedal and (b) different gears to get to different load sites
The approach can be refined with data-logging (MAP, A/F, TPS)
Be interested to hear your feedback and comments
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