back2thefutura

Ummmm, as the title suggests - what is it, what are the benefits and how do you do it?!

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EDXR8

Basically, advancing the timing means the spark plug will fire sooner giviving more time for the air/fuel mixture to burn and creating more cylinder pressure. This normally results in more power but can also lead to pinging if too much timing advance is used or poor quality fuel is run.

EF's run a coil pack ignition system with a crank trigger so you cannot adjust the timing like you can with a distributor setup. The EF computer automatically advances timing, to a degree, until the knock sensor detects pinging.

back2thefutura

Ahhh, i see. Cheers for the explanation!

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EFFalcon

stupid EF's.

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1995 EF II Falcon GLi: Heritage Green, 4spd Auto, AUII 17" Rims, Custom BA Front Bar, Lowered, Gas Research LPG, Clear Indicators, JVC MP3 Headunit, Phoenix Gold 6.5" Splits, Coustic 481QE Amp, Clarion 12" sub, Leather Seats, Power Window Conversion, 3.45 LSD, Pacemaker Comp Extractors, 2.5" Exhaust, Mandrel Bent Intake, High Flow Filter, Wade 1004 110 cam.

In Progress: BA XR Side Skirts, BA XR Rear bar, BA Shifter Handle.

back2thefutura

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89Falcon

Would it be worth it/safe to advance the timing in my Dedicated LPG EA

rawlinna

No.
You'll get some benefit at idle and low revs but you'll end up with way too much advance at cruise and top end revs.

LPG requires more advance at low revs but less at high revs