"Current timing belt has 40K on it"
The timing belt has 40k miles on it? Ummm, is time for a change I think?
I put 40k miles on the one in my LS before the last change, and Carlo went "tsk, tsk, is just slightly loose, although the belt looks ok otherwise. I don't like going longer".
Still, would be nice to get it running nicely before doing that I think.
You haven't checked the integrity of the corrugated intake hose? One of the simple things people are recommending. Wave an unlit propane torch around the running engine. If it revs up, you have an air leak. Found one in my LS this way, was a small disconnected cruise control hose which was leaking air downstream of the AFM.
You need to make a paper list of the simple checks they have recommended, and then check them off one by one before doing anything else.
However, having said that, it does look like you will have a timing belt change coming up sooner or later anyway. Or was it really the serpentine belt instead? In that case, no biggie.
Keep at it, you will get there.
BTW, have never had a plug ignition coil fail or act up, AFAICT. My suspicion is that perhaps it was something else making it look like the coils were failing. Maybe ignition modules acting up instead?
1989 Milano, Shankle Sport
1991 164S, stock
1994 164LS (~Q)
1972 Morgan 27
previously owned since 1964:
62 Morris MiniMinor 850, 67 Austin 1275 Cooper S (Downton 3/4 race), 64 Giulia Sprint GT (1st red one made), 72 Fiat 128 Sedan, 75 Alfetta Sedan, 78 Alfetta Sedan, 78 GTV, 81 GTV6, 86 GTV6
Last edited by Del; 07-29-2019 at 02:42 PM.