Caprice and GM-related general tech topics.
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I am looking for a basic tuner that will also disable the 4cyl mode. The Diablo and Range tech units look like they would cover the 4cyl but Im a few hundred into it, why not go for a hand held tuner? I'm not going to be modding the motor, just opening up the exhaust and perhaps the air filter. What do you guys like and recommend?