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Yes, that trace was on the engine, 10 thou gap, normal cranking speed.
Scope was on the connector at the end of the sensor lead.
We also tried the same with the polarity reversed, no difference.
The wave form got rougher at 48 thou but generally same shape, less pk to pk volts.
Clewett said engine would not run at 10 thou, 40 is best.
The pulley wheel toothed wheel came from Clewett as part of the kit, 127mm dia., 60-2
I think the XDi is grounded by the large ground wire coming out of the unit, but we did ground the outer heat sinking case to chassis.
Made no difference.
Last edited by 911hillclimber; 03-18-2022 at 01:50 PM..
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