Originally Posted by keniff it runs strong for a stock tune with extra fuel an no MAF plugged in(open headers) but after the exhaust it should do a lot better. lol mine would barely run at all open headers.
'91 2WD RCSB 5.3l L59 DBW 4L80E TR220 cam RevMax 2800rpm stall converter Schoenfeld LT Headers Nelson tuned My Truck Video - http://www.youtube.com/watch?v=Rw9y1...&feature=email
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