Chase Posted January 20, 2016 Share Posted January 20, 2016 Is there a way to tell the difference between a 15 and 17 degree pump on the outside other than output line fittings? Got a truck superduty that has an obs engine with AA's in it need to know if I can id the HPOP before I quote a set of AD's for it. Quote Link to comment Share on other sites More sharing options...
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