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Thanks, it did come with instructions but I appreciate the link you sent.In case you didn’t get the instruction sheet with it, here’s the diagram showing the over and under routing of the lines:
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This was developed from problems in California due to fuel additives with these trucks back when they were newer.Does anyone know if this upgrade is CARB legal in California?
I don't think anyone could ever find out, even if it is not. It will be buried under the intake manifold. Besides, you can't even buy the original part as this one superseded it. It's sad that someone in this country has to ask these kind of questions when it comes to routine maintenance.Does anyone know if this upgrade is CARB legal in California?
I think you can still buy original style poppets. I’d have to to check whether ACdelco is still manufacturing them.I don't think anyone could ever find out, even if it is not. It will be buried under the intake manifold. Besides, you can't even buy the original part as this one superseded it. It's sad that someone in this country has to ask these kind of questions when it comes to routine maintenance.