Is there any know problem with this engine ( 4.6 ) liter for cylinder # 8 burning a hole in the piston ? the form Mechanic said that the wrong spark plug were installed . I've rechecked the plug part number and they are the correct ones for that truck according to the manufacture book , if it is the plugs fault why just cyl # 8 ? , could the problem be with the injector ? making it run lean and melted the piston ? No I did not install ford plugs , put in ac/delcos ...and the cross over book shows the same plug that I installed I used ac /delco because I've always had good performance from them in all my cars and truck for the last 20 + years ...regardless of make . They seam to out last champions 2-1 for mileage so my question is , is this my fault or is there a know problem with the 4.6 to melt out a piston ?????? snipped-for-privacy@shaw.ca
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20 years ago