[Gmecm] HEI Ign module

[Darryl M Gilbert]

Hello: 350 chevy, TBI, External coil HEI dist. Has anyone ever put the
ign module in bypass mode and watched what the timing does?? I read that
it should advance about 3 deg or so at approx 2000 RPM. Everyone I try
retards about that amount. Who's correct???
thank you
Darryl...
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