I got them right now, looked at a friends harness. got new coil packs now and have a good strong spark. still just backfires into the intake. all voltages check out. ignition switch is good. refueled gas tank, timing is perfect, no dice. still occasionally backfires into the intake.
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1991 supra targa turbo
full rebuild, garrett turbo, chrome header, custom made adjustable wastegate and matching bov, elec fan, hks evc pro, greddy turbo timer, hks 2.0mm hg, arp head bolts, arp rod bolts, 2.5" intercooler and piping, lexus ls400 MAF. AC, power steering, and clutch fan deleted.
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