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i have smog test comin up quick here in ontario and the truck has no cat or any smog stuff as i can tell
has it been taken off on me or is it not sposed to be on it?
85 f150 300 i6 178000km still stock 3spd+ od stick
ya this year in my area they decided that any 83 and up needs to pass emitions of the date it was made
and a yearly test there after
although if i was to put in a 302 or 351 it fall in the hotrod catagory and has to meet a set of minimum standards
but i like the 300 i have it out tows my nabors 82 f250 with a 351m auto
retested today and failed at idle i was told that its dumpin to much raw gas out the exhaust
hc ppm limit 300 was 558
co% limit 1.50 was 7.93
says idle was 902rpm
wile runing at speed (2062rpm) it did well
HC ppm limit 144 had 22
CO% limit 1.20 had 0.13
what do i need to do here
to much raw gas at idle eh
that mean its runing rich down there?
Adjust the mixture way down. Further than you'd think. Best of paying a shop with the right equipment. Throw some IPA (purest you can find) in the tank too. About a 4 US pints to a full tank. You should get some better numbers. Good luck.