If you can afford it, go ahead and have them fix all 4 spark plug holes in that head. It's just a matter of time before the others blow out.
The timing is pretty simple on those heads. You can probably do a quick search on one of the modular forums to get the procedure.
__________________
-Brian
'86 Mustang GT Convertible
'88 Mustang LX coupe
'11 Odyssey TE
'21 Insight Touring
|