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Question being: I hooked up headers, put the EGR back, but wasnt sure which line went where on the EGR.... question: How can i tell which lines are hooked up to the EGR theres 2, should i just reverse them and see if there's change??

Thanks guys

i didn't know the EGR had anything to do w/ the coolant lines... i just thought the EGR recirculated unused fuel gas back to the IM