i dono anything about the 6l90 but its newer prob alot stronger than the 4l60 its worth a try do a thread on it keep us updated thats a good price
i dono anything about the 6l90 but its newer prob alot stronger than the 4l60 its worth a try do a thread on it keep us updated thats a good price
04 1500 5.3L custom hp tuners tune by myself don have a pic of it yet so hear is my old 01 chevy 5.3 460hp 13.669 @ 116
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