The previous owner of my f250 decided to slap on ultra cheap headers now it sounds like crap, I have a very nice set I have had for awhile I would like to put on, think I shoud worry about any damages cause from the cheapy headers before I put my nice ones on? also it runs really rough now
1969 F250 Highboy with a 390 and 750 weber/carter carb manual of course w/ granny
tranny