Originally Posted by misteright1_99
You could try drilling it out, then retapping it to 1/4" .. These are the things you have to do with these engines. My advice would be replace ALL the studs while you have the engine out......
P.S. My tensioner didnt last a day.........My spring tensioner has lasted over 1000 miles.....
if it were me .. imho i would keep it M8 ,it gets anoying needing a fist full of wrenches to work on