F fc227 1986 Grand National Joined May 28, 2001 May 17, 2008 #21 Well, I got it to pass. It took 3 tries. I end up raising the F.P. to 50# to bring the NOx down, and with the new cat here are the results. Using "pitts" emission chip and a new CAT. HC CO NOX LIMIT 132 .42 921 TESTED 106 .17 774
Well, I got it to pass. It took 3 tries. I end up raising the F.P. to 50# to bring the NOx down, and with the new cat here are the results. Using "pitts" emission chip and a new CAT. HC CO NOX LIMIT 132 .42 921 TESTED 106 .17 774
