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Join Date: Jul 2015
Posts: 329
Question Twin Distribuidor firing

Dear Friends,

I have a 3,6L engine from a 964 and since Im planing in use ITB with a Motec/Fueltech engine management type i would like to know a few things

1-) Does both spark plugs (top and bottom) fire at the same time in a giving cylinder?
2-) Or this engine use the so called " Wasted spark" system? If so, how many pick up sensor do we have? One per distribuidor or just one pick up sensor in one distribuidor?
If so, which of the 2 distribuidor have the sensor
3-) Also how the other distribuidor knows when to fire when the piston reached the waste cycle?


Old 08-29-2017, 04:39 PM
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Location: Cape cod, Ma
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Both fire at the same time.
Old 08-30-2017, 01:28 AM
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