Okay, so I installed a Crane Hi-6 ignition box and when I'm at WOT, the tach increases steadily then around 4k RPM, the tach goes crazy.. sometimes it bounces around sometimes it drops to 0. Anyone else have this problem? The engine speed keeps increasing normally and I've set the rev limiter at 5.5k RPMs. I don't really mind it since it doesn't really effect performance.. I'd just like to fix it if possible.. Thanks in Advance.

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Bruce Chang
ICQ #2992488
89 Firebird Trans Am
305 TPI, ATI Procharger Supercharger, Ported SLP Siamesed Runners, Siamesed Intake and plenum, Edelbrock TES, Hotchkis LCA's and Panhard Rod, GMPP 1.6 Roller rockers, B&M Shift Kit, Spohn Subframe connectors and driveshaft loop, Flowmaster Muffler, Accel Super Coil, Crane Hi-6 Ignition, Energy Suspension motor, tranny and torque arm bushings