Originally Posted by bigblue2230
ok, how bout this for ford tech. i have a 1990 f-150 with the tried and true 4.9 straight 6 in it. it has the smog pump on it, and where it ataches to the exhaust had been cut, pinched and welded shut. is there any reason to keep the smog pump hooked up now?
Try starting a new thread for this question, and I'm sure you will get some responses