Originally Posted by
xyzyx00
im having a somewhat similar problem with my vspec- got it used and it only has 1 shim, going through a plug every 6 or so tanks. my new shims are in the mail...
Thought my v spec only had one shim also, but the aluminum shim had actually stuck on the head button & blended in. Took a razor knife on the edge & peeled it up. Mine also was eating plugs & the problem was a worn crank pin. Bad bearings will do it too.