09-20-2012, 12:26 PM
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#12 |
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Stock
Join Date: Dec 2006
Location: Howell, MI, USA
Posts: 21
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colder plugs
Yeah, I thought about that after I posted: plug gap should be the overriding determinant of spark. I'm running colder based on various postings on plug choices. I haven't run the engine enough to know where my EGT's will be in various conditions, but that's an obvious and interesting way to select plugs. I'm surprised I haven't noticed that approach posted.
So it's down to the ignitor or coils. And ignitor makes more sense to me. Clearly my spark is inconsistent, and it sure seems like the ignitor fires inconsistently in the TSRM transistor test, no matter how carefully I clean the probe and terminals> I have a replacement from a running motor to test when the weather allows. Thanks.
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K&N filter to Lexus AFM | 660cc RC | Holley 255 LPM FP | JE/Eagle internals | 2.5" hard pipes | Toyo high flow intercooler| S Sanchez ported head | 1.2mm beaded MHG | compression 9:1 w/0.5 overbore | modified ex mani | CXR 3" full exhaust | Slotted/drilled rotors |New WG spring @12psi w/ dual switching man boost | Colt Mild perf. Cams | Bosch BOV | XTD clutch | Tokico Illumina w/TEMS | ES bushings | 18" Pirelli P-zeros | Man AFPR | zeitronix wideband w/EGT probe | on-board race timer |
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