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Re: Negative spark advance
Posted to Technical Discussion Forum on 10/19/2009

Yea I have one of those too.......95 Vin K Suburban. Runs poor at times. Idles low at times. Has left me wondering if it was going to pull away from a stop light.... I need to re ramp the pump I suppose and verify the miles and time on the ignition wires. Login to read more.